1923] REHDER, THE LIGNEOUS PLANTS OF NORTHERN CHINA 141 



ovata, apice sensim attenuata, glabra, stylo gracili circiter 1 mm. longo, 

 apice bifido, stigmatibus angustis bifidis stylo multo brevioribus; rhachis 

 inter ovaria sparse villosa; bracteae ovatae vel late obovatae, apice 

 rotundatae, 1-2 mm. longae, extus et margine glabrae vel interdum basin 

 versus pilis paucis longis ciliatae, intus basin versus laxe longeque sericeo- 

 pilosae; glandulae duae, valde variabiles, basi plus minusve connatae et 

 pseudo-discum formantes, ventralis plerumque bifida vel bipartita, vel 

 indivisa et ovato-oblonga, rarius 3-partita, pedicellum ovarii aequans vel 

 paullo superans, dorsalis plerumque oblonga, rarius brevior et quadran- 

 gularis vel leviter bifida. 



Shensi: Tai pei shan, alt. 3300 m., W. Purdom, no. 547, 1910. 



This new species is very distinct and well characterized by its low habit, 

 short thick glabrous branchlets, small slender-petioled elliptic entire and 

 quite glabrous leaves glaucescent beneath, by the ovoid female catkins 

 on short leafy branchlets with glabrous ovaries and glabrous bracts and 

 by the presence of two glands connected at the base into a kind of a disk 

 or cupula surrounding the base of the very short pedicel of the ovary; 

 the ventral gland is usually 2- or sometimes 3-parted, while the dorsal one 

 is undivided. It is apparently most closely related to Salix oritrepha 

 Schneider, but easily distinguished by the glabrousness of all its parts. 



Mixed with the specimens of the type there is a form with pubescent 

 ovaries but otherwise exactly like the type which may be distinguished as: 



Salix cupularis var. lasiogyne, var. nov. 



At typo recedit ovariis subaccumbenti-villosis pilis rufescenti-cinereis, 

 micantibus. 



Shensi: Tai pei shan, alt. 3300 m., W. Purdom, no. 547 (mixta cum 

 typo), 1910. 



In its pubescent ovaries this variety resembles S. oritrepha Schneider 

 but the branchlets, leaves and bracts are perfectly glabrous as they are 

 in the type, while in S. oritrepha all parts of the plant are more or less 

 pubescent at least while young. 



Salix spathulifolia Seemen in Bot. Jahrb. xxxvi. beibl. lxxxii. 31 

 (1905).— Schneider in Sargent, PL Wilson, in. 114 (1916). 



Shensi: Huan tou shan, G. Giraldi, no. 5359 (type, ex Seemen, 1. c); 

 Tai pei shan, W. Purdom, no. 1109, 1910. 



Purdom's specimen which is in mature fruit agrees fairly well with the 

 original description, but the leaves are comparatively broader, about 3.5 

 cm. broad, and oblong, scarcely spatulate. 



Salix Biondiana Seemen in Bot. Jahrb. xxxvi. beibl. lxxxii. 32 

 (1905).— Schneider in Sargent, PL Wilson, m. 118 (1916). 



Shensi: Pao ki seen, Miao wang shan, Hugh Scallan in Giraldi, no. 

 5361 (type, ex Seemen, 1. a). 



Distribution: also Hupeh. 



