Herbarium catalogue

Cotype " Seinghku Wang. 28 8N. 97 24 E. Alt. 11000 ft. A stout, thickset bush as much as 10 or 12 ft. high, growing on the sheltered side of the valley in the dense Rhododendron thickets, or on the edge of the bands of Abies forest (not inside, which is sacred to the Falconeri Rh.) and just coming into Blower. lowers of a very unusual colour or combination of colours The buds are carmine. The main part of the corolla is white, but round the open end is a broad border of deep pink, and at the base, 5 pit-like glands of deepest purple. Pedicel and small flat angultar-calyx beset with glendular hairs; ovary and style likewise. Anthers reddish brown. Note. In none of these Thomsonii Rhododendrons viz. nos. 6869, 6921, 6922, 6923 are the filaments anything but glabrous; the only exception is no, 6868 with ye low flowers, which has the filaments slightly pubegulous at the extreme base. 6924 B (for seed) There is a form with cherry red flowers without any white. A bush grows in a thicket close to camp. Cf. no. 5830 from Tibet which has the same long curved pedicel, hanging down so that the fruits do not stand erect. 14/6/26. Ward 6923", ROYAL BOTANIC GARDEN wn wu HN copyright reserved

" ETA Seinghku Wang. Lat. 28 8». Long. 97 24 E. Altitude 11000 ft. A stout thickset bush as much as 10 or 12 feet high, growing on the sheltered side of the valley in the dense Rhododendron thickets, or on the edge of the bands of Abies forest (not inside, which is sacred to the Falconeri R.) and just coming into flower. Flowers of a very unusual colour or combination of colours. The buds are carmine. The main part of the corolla is white, but round the open end is a broad border of deep pink, and at the base 5 pitlike glands of deepest purple. Pedicel and small flat angular calyx beset with glandular hairs; ovary and style likewise anthers reddish brown. Note, In—nene-of-—these-Thomsonid--nhod odendrons-V.b23--Noss thay m6 Ret paBOL® , 6253,-are-the filaments: anything-.but_glabrous;.,the only exception..is.No. 6868.with- yellow-—flowers, which hes: the~fitanents.stightly pubderutous@at theextreme=base. 69i4ubforseed). There is a form with cherry red flowers without any white. A bush grows in a thicket close to camp. c.f. No. 58%0 from Tibet, which has the same long curved pedicel, hanging down, so that the fruits do not stand erect, June, 1926. K.Ward No.6923", fr “Ufa ra. Fron Ward's-field tieket—quoted—above—it—would.appeanthat..the tube-.of..the..corella-is-white—or- whitish wth the-Lobed..Limb nore or tose piri. Commenting on this gathering in the Gardeners! Chronicle saysi-= " corollas cherry-red with a wider or narrower white rim occasionally the flowers are cherry-red all through". From this it—would—appear—that—the—tubde—nay—be—white—orcherry- red-with—the—lobes—lLighter—orp-darkerthanthe—tube, The field ticket of Ward's 5830 from Tibet runs:- "Doshong La, Altitude 10000-12000 ft. A shrub of 6-10 ft. forming dense tangled thickets by the stream. Flowers fleshy, brilliant scarlet, with 5 coal- black glands at the base. The first red-flowered species met with and a most striking one. Just breaking. June, 1924. K.Ward No. 5830 ". In spite of the difference in @lower colour this is certainly closely akin to Ward's 69°23. Structurally the flowers are identical and the foliage is the same in all essential features. I note that the petioles and pedicels are more floccose than in the type. >. : : 7, f SA & 3 ER + we Another gathering by Ward from Assam (Delei Valley) should be included here as a geographical form with deep crimson flowers. Ward's field ticket runs " Delei Valley, 41-1°000 ft. alt. Rhododendron sp. Thomsonii. Flowers deep crimson with 5 circular coal black glands at the base. (Thus resembling a very similar species collected in Tibet in 1924, named 'Coals of Fire'). Just beginning to open. A large shrub with ascending trunk sweeping up from the ground to a Height of 10 ft. Forms thickets which are practically impenetrable, in sheltered dips and hollows of the ridge. The curved pedicels also recall the Tibetan plant. 30/6/28. 10/6/28. FPurther in flower. The corolla is rather fleshy, and by reflected Light has a rather bluish tint but by) transmuted light is blood red. Grows either as a mederate sized shrub in the forest or as scrub along the ridge with Sanguineum species and the plum coloured Campylogynun,. Ward No. 8258! In the field notes published by Mr. Lionel de Rothschild Ward says,"A bush with ascending trunk and loose umbels of bright crimson-scarlet flowers with coal black glands at the base. \, Grows socially in the upper Abies forest, along the ridge, at 12000 ft. 30/5/28. Like No. 5830 (1924)". i): oa Cs aS Ee ow doen ee ea ee be Se a SS See ee are reine copyright reserved

Rh. cerasinun, Take. Sp. NOVe | A Species affinis Rh. Stewartiano, Diels sed ab omnibus speciebus subsectionis Thomsonii stylo ad apicem crebre glanduloso differt. _ Frutex robustus ad 4 m. altus; ramuli sub inflorescentia circ. 5 mm. diametro, maturitate glabrig Folia petiolo circ. 1 cm. longo, plus minusve glanduloso tandem glabrescente suffultas lamina oblonga vel oblongo-elliptica, circ. 5.5 cm. longa, circ. 2.35 om. lata, apice obtusa, basi obtusa vel subrotundata, supra minute rugulosa, tandem glabra, vestigiis pilorum ed costam exceptis, venis primariis utrinque 14-16 paulo impressis, infra subglauca, glabra, costa eminente sparse glandulosa, venis obscuris. Inflorescentia umbellata, 6-7 flora; flores pendentes; rhachis circ. & mm. longa; pedicelli circ. 2 om. longi, @landulis ovaideis subsessilitas dense induti. Calyx paulo carnosus, 3-5 mm. longus dorso dense glandulosus, margine lobis nunc obscuris nunc rotundatis vel ovatis undulatus atque glanduloso-ciliatus. Corolla tubuloso-campanulatus, %.5-4.5 om. longa, cerasino-rubra, apéce roseo-suffusa, intus nectariis atropurpureis quinque conspicue notatas lobi 5, 1.5 om. longi, 2 om. lati, margine undulati. Stamina 10, subaequalia, 2,7-3.% cm. longa, filamentis glabris, antheris rubro-branneis. Gynaeceum 5.5 cm. longum; ovareum conoideum, truncatum, 8 mm. longum, 4 mm, latum, glandulis subsessilibus dense praeditum; stylus robastus ad apicem glandulis sessilibus manetus; stigma lobulatum, 2 mn, latum. Laspend—detailednotecmade by the esottertres—in the fem. Wards Chace Om Be, Lin atywumn, Athalis forty © ky SS 30 | TY ss nrub 6 ft. high. Bark grey. Young shoo picecewbat oi ti aden ca i Bdcbuff colo ures fluffy hairs. Young leaves revolute, upper surface with soft scattered hairs, under surface @iarnroe us except for scatter- ed hairs on the midrib; petiole covered with scattered buff coloured fluffy hairs. se strap shaped 2rcuminate. “ey =A Outer bud scales triangular with acuninate 3 ature leaves. petiolate, Narmww ova, blade 2.75 in, lone 1,25 in wide, somewhat concrve, leathery, with slightly horny margin, glab irgin, e@ - rous; upper surface mat dark green lower surface paler; petiole 9.5 in. long. Inflorescence a terminal vmbel of 3-5 drooving Flowers Pedicel 9.75 in. Jong with scattered crimson headed glandular hairs. Calyx 0, or an undulating rim, with scaitteraq &landular hair: which bead the edze, Corolla fleshy, regular, bell-shaped, bright scarlet, with 5 coal-black gainds at the base; S-lobed, 1.75 in. lone. 2 in wid aie r a the lobes rounded, Spreading, slightly notched 0.76 in. a Led, 0. « deep. Stamen ib ? antr i 8 10, subequal, anthers b ck, filaments white st ained scarlet at the base. glab rous. Gynaecium clothed wi i 2 clothed with crimson h j at mson neaded glandular hai j tla ils Nalirs right up to the base of the sti i $e 1e stigma. )vary 8 7 ¥Y conical, fluted. 0.25.3 Vea, ° ) so hake long. tyle whi i ong style white, reddened just below > ig 12k Wy e stigma, 1.25 in. lone. Stigma small lot 10 copyright reserved