366 



Salicaceae 



shrub closely allied to the preceding species, the second year 

 branches purple-castaneous, the sapwood not or scarcely 

 ridged; leaves with petioles 1-2 cm. long, pubescent above, the 

 blades chartaceous, narrowly obovate or oblong, 6-12 cm. long, 

 3-5 cm. wide, short-acuminate, with obsolete undulate teeth, 

 acute to obtuse at base, glabrous except the midrib above, 



glaucous and densely crisped-pubescent. Hokkaido, Kuriles, 



Sakhalin, and Kamchatka. 



Salix X yoitiana Kimura is an alleged hybrid of No. 15 

 possibly crossed with S. gracilistyla. 



16. Salix taraikensis Kimura. S. hastata sensu auct. 



Japon., non L. Taraika-yanagi. Large shrub with the 



juvenile branchlets silky pubescent, soon becoming glabrous; 

 leaves with nearly glabrous petioles 1-1.5 cm. long, the blades 

 chartaceous, narrowly obovate or rhomboid-elliptic, 6-10 cm. 

 long, 2-3.5 cm. wide, acuminate to acute, obsoletely serrulate, 

 acute at base, usually broadest at or above the middle, glabrous 

 except for silky pubescence on nerves beneath and on the 

 upper surface while young, glaucous beneath, deep green and 

 lustrous above; staminate aments elliptic or short-cylindric, 

 densely flowered, 2.5-3.8 cm. long, 18-27 mm. wide; pistillate 

 aments 2-2.7 cm. long, short-cylindric, pedunculate, the bracts 

 oblong, obtuse or nearly so, densely hairy on both surfaces, 

 2.3-2.6 mm. long; ovaries white-villous, stipitate; style short, 

 the stigma bifid, the lobes short, rather thick; capsules about 



9 mm. long. Hokkaido (Kushiro and Nemuro Prov.). 



Sakhalin. 



17. Salix subopposita Miq. S. repens var. subopposita 

 (Miq.) Seemen; 5. sibirica var. subopposita (Miq.) C. K. Schn. 



No-YANAGi, HiME-YANAGi. Small shrub, the branches 



rather slender, erect, deep brown, densely short grayish 

 pubescent while young; leaves with petioles 1-5 mm. long, 

 the blades broadly lanceolate, broadly oblong-lanceolate to nar- 

 rowly oblong, 2.5-4 cm. long, 5-12 mm. wide, acute, entire, 

 acute at base, glabrous or nearly so above, glaucous and 

 sparsely gray-yellow appressed-pubescent beneath, densely so 

 while young, the nerves slightly impressed above, slightly 

 raised beneath; staminate aments to 2.7 cm. long and 7 mm. 

 across, densely flowered, the bracts oblong, rounded at apex, 

 silky; pistillate aments short-cylindric, short-pedunculate, 1-2 

 cm. long, 8-10 mm. across in fruit, densely flowered; capsules 

 rather densely appressed grayish pubescent, about 4 mm. long; 



style nearly absent, stigma bifid, short. Honshu (Chijgoku 



Distr.), Kyushu. s. Korea (Quelpaert Isl.). 



18. Salix paludicola Koidz. Miyama-yachi-yanagi. 

 Dwarf procumbent shrub about 5 cm. high with rooting nar- 

 row branches and yellowish brown, slightly lustrous, gla- 

 brous branchlets; leaves with glabrous petioles 2-5 mm. long, 

 the blades glabrous, obovate, 1-3 cm. long, 5-17 mm. wide, 

 lustrous above, glaucous beneath, obtuse to rounded, broadly 

 cuneate at base, entire or undulate-serrulate; staminate aments 

 densely flowered, about 3 cm. long, about 10 mm. wide; 

 pistillate aments terminal on short lateral few-leaved branch- 

 lets, densely flowered, 3^ cm. long in fruit, the rachis hairy, 

 the bracts broadly ovate, yellowish brown, rounded at apex, 

 densely hairy outside; ovary short-stipitate, densely pubescent; 

 style short, die stigmas shortly bifid; capsules lanceolate, 7-8 



mm. long, loosely pubescent. Hokkaido (alpine zone on 



Mount Daisetsu) ; rare. 



Salix X pseudopaludicola Kimura is an alleged hybrid 

 between Nos. 18 and 20. 



19. Salix reinii Fr. & Sav. S. glabra Fr. & Sav., non 



Scop.; S. \a\ista C. K. Schn. Miyama-yanagi, Mine-yanagi. 



Glabrous shrub, with relatively thick dark brown branches; 

 leaves with petioles 5-13 mm. long, the blades obovate or ellip- 

 tic, 2-6 cm. long, 1.5-3.5 cm. wide, rounded and mucronate to 

 abruptly acute, with incurved, undulate-serrate teeth, rounded 

 to obtuse at base, deep green above, glaucous beneath, the 

 lateral nerves slender; staminate aments short-pedunculate, 

 slender, 2.5-4 cm. long, rather loosely flowered, the axis short- 

 pilose, the bracts broadly lanceolate to narrowly ovate, obtuse 

 to acute, slightly pubescent below and near margins; pistillate 

 aments narrowly cylindric, 3-5 cm. long; capsules stipitate, 



glabrous; style rather slender, the stigmas shortiy bifid. 



Hokkaido, Honshu (centr. and n. distr.) ; rather common. 



s. Kuriles. 



Var. eriocarpa Kimura. Ke-miyama-yanagi. Branchlets 

 and leaves silky hairy while young; ovaries densely white silky- 

 hairy. Alpine mountains; Honshu (centr. distr.). 



20. Salix hidewoi Koidz. Ezo-miyama-yanagi. Simi- 

 lar to the preceding; shrub with glabrous branchlets at first 

 dark purple, changing to dark brown; leaves with petioles 

 4-10 mm. long, the blades oblong, rarely obovate, 1-5 cm. 

 long, 7-25 mm. wide, obtuse to rounded, obtuse at base, 

 slightly undulate-serrate, soon glabrous, not lustrous above, 

 pale or slightly glaucous beneath; pistillate aments pedunculate, 

 densely flowered, about 3 cm. long at anthesis, the axis villous, 

 the bracts oblong, rounded at apex, yellowish brown villous; 

 style short, stigmas bifid; fruiting aments 3.5-4.5 cm. long, 

 about 1 cm. across; capsules 6-7 mm. long, puberulous, be- 

 coming glabrate. Hokkaido. s. Kuriles. 



21. Salix futura Seemen. S. vulpinoides Koidz.; S. 



vulpina var. tomentosa Koidz. O-neko-yanagi. Large 



shrub, the branchlets dark brown, rather thick, at first brown- 

 villous; leaves with petioles 8-15 mm. long, the blades nar- 

 rowly oblong to elliptic, 8-20 cm. long, 3-6 cm. wide, acumi- 

 nate, with margins slightiy recurved, depressed-serrate, obtuse 

 to acute at base, chartaceous, deep green and appressed 

 pubescent above while young, glaucous and with pale to 

 yellowish brown pubescence beneath especially on the nerves; 

 staminate aments long-cylindric, densely flowered, sessile, 

 about 5 mm. across, the bracts ovate, very obtuse, about 1.2 

 mm. long, with relatively long dense hairs on both surfaces; 

 ovary silky-pubescent, nearly sessile; style somewhat less than 



1 mm. long, the stigma short, bifid. Honshu (centr. distr. 



and northw.) . 



Var. psilocarpa Kimura. Ovary glabrescent. Occurs 



with the typical phase. 



Salix X sirakawensis Kimura is a hybrid of No. 21 with 

 S. Integra. 



22. Salix vulpina Anderss. S. miquelii Anderss.; S. mi- 

 quelii var. vulpina (Anderss.) Anderss.; S. ignicoma Lev. & 



Van't.; S. daiseniensis Seemen, pro parte. Kitsone-yanagi. 



Shrub with lustrous dark brown branches, whitish and yellow- 

 ish brown pubescent when young; leaves with petioles 6-10 

 mm. long, the blades oblong to elliptic, 3-8 cm. long, 2-3.5 

 cm. wide, acute to rather obtuse, acute to obtuse at base, 

 irregularly obtusely serrate, not lustrous above, more or less 

 glaucous and usually yellow-brown pubescent along the mid- 

 rib beneath; staminate aments short-pedunculate, 2.5-4 cm. 

 long, 5-6 mm. across, densely flowered, the bracts small, red- 

 dish brown villous; filaments free or slightly connate and 

 more or less pubescent below; capsules stipitate, glabrous; 

 style slender, the stigmas short. Hokkaido, Honshu, Shi- 



