SALICACEAE. — SALIX 71 



the d^ catkins in S. densifoliata Seemen is precisely the same as described by 

 Franchet. See the keys on p. 79 and p. 90. 



This pretty low-growing and creeping Willow is abundant on the rocks and on 

 the sandy foreshores of the Yangtsze River from Ichang westward through the 

 gorges for some 300 miles, but scarcely reaches Chungking. During the summer 

 floods this plant is submerged for weeks together, but in the winter it is very con- 

 spicuous with its vivid green leaves, the plants forming broad mats of verdure. 

 The flowers open in December and January and are borne at the ends of the pre- 

 vious season's branchlets as is usual in most species of Willow, whereas in S. 

 Bockii Seemen, which in herbaria looks similar, the flowers are borne on the shoots 

 of the current season and while these shoots are still growing. E. H. W. 



Salix Bockii Seemen in Bot. Jahrb. XXIX. 278, t. 3, fig. g-m 

 (1900).— L^veille in Bull. Soc. Bot. France, LVI. 297 (1909). — Bean, 

 Trees & Shrubs Brit. Isl. II. 477 (1914). 



Western Szech'uan: near Wa-shan, side of streams, common, alt. 

 600-1500 m., July 1908 (No. 1414; bush 0.9-1.5 m. tall; flowers white, 

 conspicuous; cf and $); Yachou Fu, side of streams, abundant, 

 alt. 600-1500 m., August 1908 (No. 1414"; 9 flowers and fruits); 

 Mupin, alt. 2600 m., September and October 1910 (No. 4369; 9 flowers 

 and fruits) ; generally shingly beds of streams, alt. 1000-3000 m., Sep- 

 tember 1910 (No. 4351; bush 0.9-3 m, tall; d'); banks of Yangtsze 

 River, June 1903 (Veitch Exped. No. 4510; bush 0.3-0.6 m. tall; 

 cf and 9). Eastern Szech'uan: Chungking, E. Faher (No. 3; 

 small shrub; d^); Mt. Omei, 1600 ft., E. Faher (No. 74; cT); Kiating 

 Fu, E. Faher (No. 211; (f). Southeastern Szech'uan: Nan- 

 ch'uan, A. v. Rosthorn (No. 1509, type; 9 )• 



In western Szech'uan at altitudes between 300 and 3000 m. this Willow is abun- 

 dant on the sandy foreshores and in the gravelly and stony beds of rivers and 

 mountain-torrents. It also occurs sparinglj' on the banks of the Yangtsze River 

 west of Chungking and near Sui Fu and on the lower reaches of the Min River in 

 the neighborhood of Kiating Fu. It grows from 1 to 3 m. tall and often covers 

 large areas. The leaves are gray-green and in late summer and autumn it is a 

 decidedly ornamental flowering shrub. The catkins are freely borne on the current 

 season's and actively growing shoots, and in this character this Willow is unique 

 among the Chinese species. E. H. W. 



Salix myrtillacea Andersson in Jour. Linn. Soc. IV. 51 (1860). — 

 Hooker f., Fl. Brit. Ind. V. 637 (1888). 



Salix suhpycnoslachya Burkill in Jour. Ldnn. Soc. XXVI. 532 (1899). — 

 Uveille in Bull. Soc. Bot. France, LVI. 301 (1909). 



Western Szech'uan: west of Kuan Hsien, Pan-lan-shan, alt. 

 3300-3600 m., June 1908 (No. 2161; bush 0.6-1.2 m. tall; with young 

 fruits); Tachien-lu, alt. 3000-4300 m., E. Pratt (No. 835, type of S. 



