THYMELAEACEAE. 



Determined by Alfred Rehder. 



WIKSTROEMIA Endl. 



4 



Wikstroemia stenophyUa Pritzel in Bot Jahrb, XXIX. 480 (1900). 



WesternSzech'uan: Valley of Hsao-cliin-ho, near Monkong Ting, 

 alt. 2100-2400 m., June 1908 (No. 2366; bush 0.30-0.50 m. tall, flowers 

 yellow) ; Min River valley, Mao-chou, alt. 1200-1600 m., May 25, 1908 

 (No. 2365; bush 0.3O-0.60 m. tall, flow^ers yellow); same locality, 

 rocks, alt. 1200 m., August 1903 (Veitch Exped. No. 4435; bush 0,30- 

 0.60m., flowers yellow); T'ao-kuan, Lung-ch'ih, September, A. von 

 Rosthorn (No. 3113, type). 



Wilson's Nos. 2365 and 2366 are of more compact habit and have somewhat 

 larger flowers in simple terminal spikes, while in the type as well as in Wilsons 

 No. 4435 the inflorescence is paniculate and the flowers smaller, but this is proba- 

 bly due to the specimens having been collected at different seasons; in all other 

 characters all the specimens agree. 



Wikstroemia micrantha Hemsley in Jour. Linn, Soc, XXVI. 399 

 (1894). — Diels in BoL Jahrb. XXIX, 480 (1900). 



Western Hupeh: near Ichang, A, Henry (No. 4173, co-tjT^); 

 Hsing-shan Hsien, ravines, uncommon, alt. 300-600 m., May 9, 1907 

 (No. 2364; bush 0.3-1 m. tall, flowers white). Szech'uan : Yangtsze 

 gorges, May 1903 (Veitch Exped. No. 4432; bush 0.5-1 m. tall, flowers 

 yellow, fragrant). 



This species seems most closely related to W. angustifolia Hemsley, from whicn 

 it differs chiefly in the glaucescent under side of the broader, generally oblong or 

 oblanceolate less crowded leaves. Hemsley compares it with W. chamaedapnne 

 Bunge, but that species differs considerably in its paniculate inflorescence, densely 

 pubescent flowers, much larger leaves and in its different habit with virgate 

 branches. Wilson's specimens have larger glabrous flowers in 3-7-flowere 

 fascicles and somewhat smaller leaves. 



Wikstroemia capitata Rehder, n. sp. 



Frutex gracilis, 0.5-1 m. altus; ramuU homotini teretes, tenues, 

 glabri, plerumque virides, annotini fusco-purpurei. Folia membrana- 



» With a description of a new species of Wikstroemia L6veilld & BUn and a new 

 variety of Daphne by Leveille & Rehder. 



530 



