254 ENGLISH BOTANY. 



peduncles. " Nectary of 2 pieces " [one between the catkin-scale and 

 the germen, the other 02:)posite to it]. Stamens 2. 



Small alpine shrubs, with glabrous or pubescent leaves, and the 

 bark of the older stems commonly breaking off in flakes. 



Group I.-FRIGIDiE. Fries. 



Small shrubs, with the main stems and branches exposed; main 

 branches terminatino; in a barren shoot; flowerino; branches lateral. 

 Catkin-scales coloured, subscarious. 



SPECIES XXX.— SALIX ARBUSCULA. Linn. 

 Plates MCCCLXXI.— MCCCLXXVI. 



Eech. Ic. Fl. Germ, et Helv. Vol. XI. Tabs. DLXI. DLXII. Figs. 119G to 2000, and 



DLXVI. Fig. 2006. 

 Billot, Fl. Gall, et Germ. Exsicc. N'o. 1962. 

 Wimmer, Sal. Europ. p. 102. Anders. Mon. Sal. p. 145. HooJc. & Am. Brit. Fl. 



ed. viii. p. 411. Bah. Man. Brit. Bot. ed. vi. p. 314. 



Stems exposed, decumbent or erect ; main branches terminating in a 

 barren shoot. Leaves firm, flat or recurved, elliptical or oval and acute, 

 or obovate and acuminate, serrulate, bright green, glabrous, shining, 

 with slightly elevated veins above, more or less glaucous and very spar- 

 ingly hairy with adpressed hairs beneath, at length usually glabrous. 

 Stipules generally absent or very minute and ovate. Catkins opening 

 at the same time as the leaf-buds, at the apex of niunerous short 

 leafless or leafy lateral shoots, not confined to the termination of the 

 branches, but arranged along them, slender, cylindrical. Catkin-scales 

 oblong-obovate, obtuse, embracing the base of the capsule, brown, 

 very thickly and shortly pilose. Stamens 2; filaments free, glabrous. 

 Capsule ovate-conical, tomentose, subsessile; style elongated, deeply 

 cleft; stigmas thick, 2-cleft. Young branches downy, rarely sub- 

 glabrous; young leaves silky pilose, at least on the underside. 



Var. a, carinata. 



Plate MCCCLXXI. 



S. carinata, Sm. Engl. Bot. ed. i. No. 1363, and Engl. Fl. Vol. IV. p. 197. Hook. 

 Brit. Fl. ed. iv. p. 372. 



Suberect. Leaves broadly elliptical, folded into a keel and 

 recurved, denticulate, underside slightly glaucous, veins slightly 

 prominent. 



