138 COMMON CANADIAN WILD PLANTS. 



silky-gray or glaucous beneath, smooth above. Catkins with a 

 few small leaf-like bracts at the base. Scales of the fertile cat- 

 kins acute, very hairy. Ovary tapering, silky, stalked. Sandy 

 river-banks. 



* * Catkins lateral, with U or 5 leafy bracts at the base, preceding (or 



sometimes accompanying) the leaves. Scales dark red or brown, 

 persistent. Stamens 2. 



5. S. corda'ta, Muhl. (HEART-LEAVED WILLOW.) A shrub 

 or small tree, growing in \vet grounds. Leaves lanceolate, not 

 always heart-shaped, sharply serrate, smooth. Catkins cylindri- 

 cal, leafy-bracted at the base. Var. angUSta'ta has long narrow 

 leaves. 



* * * Catkins lateral, appearing along with the leaves, leafy-bracted at the 



base. Stamens 2. Scales persistent. 



6. S. liv'ida, Wahl. Var. occidenta'lis, Gray. (S. rostra' ta, 

 Rich., in Macoun's Catalogue.) (Livio WILLOW.) A good-sized 

 shrub, chiefly in moist situations. Leaves oblong or obovate- 

 lanceolate, barely toothed, downy above, very veiny, hairy and 

 glaucous beneath. Stipules semi-lunar, toothed. Ovary at length 

 raised on a very slender stalk. 



* * * * Catkins long and loose, peduncled, not lateral, but borne on the 



ends of the new shoots. Scales greenish-yellow, deciduous. Filaments 

 hairy beloio. 



-- Stamens 3-6 or more. 



7. S. lu'cida, Muhl. (SHINING WILLOW.) A shrub or small 

 bushy tree, growing along streams. Leaves ovate-ob/ong or 

 narrower, with a long tapering point, shining on both sides, serrate. 

 Stamens mostly 5. 



8. S. nigra, Marshal. (BLACK WILLOW.) A larger tree than 

 No. 6, with a roughish black bark, growing along streams. 

 Leaven narrow/ y lanceolate, tapering at each end, serrate, smooth, 

 green on both sides. Stamens 3-6. 



-t- -*- Staiiii'iin '. 



9. S. longifo'lia, Muhl. (LOXG-LEAVED WILLOW.) A shrub 

 or small tree, varying greatly in si;:e, growing along streams in 

 sandy or gravelly places. Leaves Linear-lanceolate, very long, 

 tapering towards bol.h ends, m^irly sessile, serrate with a few 

 spreading teeth, grayish-hairy when young. 



