OCR text
ARNOLD ARBORETUM, HARVARD UNIVERSITY EXPEDITION TO NORTHWESTERN CHINA AND NORTHEASTERN TIBET. 1924-27 Det. D. F. Chamberlain ft?y SOUTHERN KANSU Hhododendron Roakii Wilson, n. sp ? Slopes of border beyond Szechuan. Shrub or tree 12-18 ft. Flowers dark pink- ish, purple* No. 12063. Coll. J. F. Rock. April, 192 El E00010369
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