334 WILSON EXPEDITION TO CHINA 
Clematis repens Veitch, Novelties for 1908-1909, 4, fig. (non Finet & Gagne- 
pain) (1908). — De Corte in Rev. Hort. Belg. XXXV. 108, t. (1909). 
Hupeh: “Kian-scian,” alt. 2000 m., September 1907, C. Silvestri 
(No. 631). Western Szech'uan: Mupin, thickets, alt. 2000- 
2600 m., June and October 1908 (No. 868*; climber 3 m., flowers 
white); Wa-shan, thickets, alt. 2000-2300 m., November 1908 (No. 
1303; climber 4-6 m.); Tachien-lu, woodlands, alt. 3000-3600 m., 
October 1910 (No. 4318; climber 5-8 m.); west and near Wén-ch’uan 
Hsien, thickets, alt. 2300-3000 m., October 1910 (No. 4110; large 
climber 6 m.); without precise locality, October 1904 (Veitch Exped. 
No. 3114*). Yunnan: mountains north of Mengtze, alt. 2300 m., 
A. Henry (No. 10748). 
This most distinct variety is the commonest form in western Szech’uan. 
Clematis montana, var. Wilsonii, f. platysepala Rehder & Wilson, 
n. forma. 
A varietate Wilsonii recedit sepalis late obovatis apice rotundatis 
v. truncatis. 
Western Szech'uan: Wa-shan, thickets, alt., 2000-2600 m., 
June 1908 (No. 2461, type; climber 3-4 m., flowers white); west and 
near Wén-ch’uan Hsien, alt. 1600-2800 m., July and October 1908 
(No. 1003; climber 4-5 m., flowers white). 
This form is distinguished by its broadly obovate, rounded or truncate sepals; 
the flowers are very round in shape and produced at the same time as the leaves. 
Clematis Spooneri Rehder & Wilson, n. sp. 
Clematis montana, var. sericea Franchet apud Finet & Gagnepain in Bull. 
Soc. Bot. France, L. 525 (1903); Contrib. Fl. As. Or. I. 10 (1905). 
Frutex scandens, 3-6-metralis ramis teretibus; ramuli hornotini 
dense breviter villosi, annotini glabrescentes, castaneo-brunnei, 
vetustiores cinereo-brunnei; gemmae oblongo-ovatae, densissime 
villosae. Folia decidua, 3-foliolata, foliola ovata v. ovalia, rarius 
elliptica, acuta v. breviter acuminata, basi rotundata v. late, rarius 
angustius cuneata, plerumque supra medium utrinque dente unico 
late ovato mucronato instituta, rarius utrinque 2-4-dentata, 2.5-8 cm. 
longa et 2-4.5 cm. lata, utrinque sericea, subtus densius indumento 
initio flavo-nitente, maturitate chartacea, firma, costa et nervis 
supra impressis subtus elevatis, folia lateralia breviter petiolulata 
paullo minora quam folium terminale longius petiolulatum petiolo 
