.504 



SALICACEAE. 



Salix balsamifera (Hook.) Barratt. Balsam Willow. (Fig. 1201.) 



Salix cordata var. balsamifera Hook. Fl. Bor. Am. 



2: 149. 1839. 

 Salix balsamifera Barratt; Hook. Fl. Bor. Am. loc. 



cit. As synonym. 1839. 



A shrub, 4-io high, the twigs glabrous, sLiii- 

 ing, the youngest foliage pubescent. Mature 

 leaves elliptic, ovate-oval or obovate, thin, gla- 

 brous, acute or some of them obtuse at the apex, 

 rounded or subcordate at the base, dark green 

 above, glaucous and prominently reticulate-veined 

 beneath, 2 / -3 / long, I'-ij^' wide, slightly creuu- 

 late-serrulate, the minute teeth glandular; stipules 

 minute or none; petioles slender, 3 // -6 // long; 

 aments expanding with the leaves, leafy-bracted at 

 the base, cylindric, the staminate dense, about i' 

 long, the pistillate rather loose, 2'-$' long in fruit; 

 scales villous, persistent; stamens 2; filaments gla- 

 brous; style almost none; capsules very narrow, 

 acute, glabrous, 2 // -2^ // long, slender-pedicelled. 



In swamps, Labrador to Manitoba, south to Maine, 

 Ontario and Minnesota. May. 



30. Salix Barclayi Anders. Barclay's Willow. (Fig. 1202.) 



.S. Barclayi Anders. Ofv. Handl.Vet. Akad. 1858: 125. 1858. 



A low shrub, with dark brown glabrous twigs, the 

 young shoots pubescent. Leaves obovate, oval, or 

 oval-lanceolate, short-pointed at the apex, serrulate, 

 floccose-pubescent when young, when mature gla- 

 brous, bright green above, pale beneath, i / -2 / long, 

 Yz'-\' wide; petioles i // -2 // long; stipules ovate, acute, 

 deciduous; aments unfolding with the leaves, borne 

 at the ends of short branches, dense, spreading or 

 erect, the staminate i 7 long, the pistillate 2 / -3 / long 

 in fruit; scales persistent, slightly villous; stamens 2; 

 filaments distinct; capsule narrowly conic, glabrous, 

 acute, 3" long; style longer than the stigmas. 



Northwestern arctic America. Summer. 



Salix Barclayi latiiiscula Anders, in DC. Prodr. 16: Part 2, 



255. 1868. 



Leaves oval or obovate, subcordate at the base; stip- 

 ules cordate. Newfoundland (according to Andersson). 



31. Salix adenophylla Hook. Furry Willow. (Fig. 1203.) 



Salix adenophylla Hook. Fl. Bor. Am. 2: 146. 



A straggling shrub, 3-8 high, the twigs, peti- 

 oles, stipules and leaves densely silky-tomentose, 

 the silky hairs falling away from the leaves when 

 old. Leaves ovate, acute or short-acuminate, or 

 the lower obtuse at the apex, cordate or rounded 

 at the base, finely serrulate with gland-tipped 

 teeth, i / -2 / long, 8"-i%' wide; petioles stout, 

 I W-$ ff long, dilated at the base; stipules ovate- 

 cordate, obtuse, serrulate, persistent ; aments 

 leafy-bracted at the base, dense, expanding with 

 the leaves, the staminate about i' long, the pis- 

 tillate I Yz / ~4 / long in fruit; scales villous, persist- 

 ent; stamens 2; filaments glabrous; style fili- 

 form, longer than the stigmas; capsule sessile or 

 very nearly so, ovoid-conic, acute, \% ff -z" long. 



On lake and river shores, Labrador to Ontario, 

 Pennsylvania and Michigan. Hybridizes with 5. 

 fordata, April-May. 



