56 WILSON EXPEDITION TO CHINA 
Rubus mesogaeus Focke in Bot. Jahrb. XXIX. 399 (1901); in Bibl. 
Bot. LXXII. 204, fig. 82 (Spec. Rub.) (1911). 
Western Hupeh: north and south of Ichang, thickets, alt. 600- 
1200 m., May and July 1907 (Nos. 52, 71); Hsing-shan Hsien, thickets, 
alt. 1200 m., July 1907 (No. 52°). 
Rubus mesogaeus, f. floribus roseis. 
Western Szech'uan: Wa-ssu country, Wén-chuan Hsien, wood- 
lands, alt. 1200-2400 m., June and September 1908 (No. 1042) ; south- 
east of Tachien-lu, thickets, alt. 1800-2100 m., June 1908 (No. 3013); 
Pan-lan-shan, west of Kuan Hsien, woudianda. alt. 2100-3300 m., 
June 1908 (No. 3015). 
Rubus aurantiacus Focke in Bibl. Bot. LXXII. 211 (Spec. Rub.) 
(1911). 
Western Szech’uan: Tachien-lu, thickets, alt. 2100-2700 m., 
September 1908 (No. 992). 
Rubus vicarius Focke in Bibl. Bot. LXXII. 211 (Spec. Rub.) 
(1911). 
Western Szech’uan: Wa-shan, thickets, alt. 1500-2100 m., July 
and September 1908 (No. 948). 
It would be instructive to cultivate these two forms of the Idaeus-group. 
MADDENIA Hook. f. & Thoms. 
Determined by E. KoEeHBNE. 
Maddenia hypoleuca Koehne, n. sp. 
Frutex 2-6-metralis; rami novelli glabri v. pulverulento-puberuli 
v. pubescentes dein saepe glabri fusci, biennes crassiusculi, nigre- 
scenti-fusci saepe pulverulento-puberuli haud nitiduli; gemmae ovatae; 
2 mm. longae, glabrae, squamis interioribus sub anthesi auctis. Stipulae 
6-13 mm. longae, lineares v. lanceolatae v. e basi orbiculari lineari- 
caudatae, basi glanduloso-fimbriatae; petioli 2-4 mm. longi, eglan- 
dulosi, subtus glabri, supra in canaliculo initio pubescentes; lamina e 
basi obtusa v. cordata ovato-oblonga v. oblonga, sub anthesi 3-5.5 
em. longa, 1.3-1.8 em. lata, demum in ramulis fertilibus 5-6.5 cm. 
longa, 1.3-3.2 cm. lata, in innovationibus 7.5-16 cm. longa, 43-15 — 
em. lata, sensim v. subito acuminata, duplicato-serrata dentibus . 
