494 



SALICACEAE 



13. Salix pedicellaris Pursh. Bog Willow. Fig. 1202. 



Salix pedicellaris Pursli, Fl. Am. Sept. 2: 611. 1814. 



Salix pediccUaris hvpoglanca Fernald, Rhodora 11: 

 161. 1909. 



Salix myrtilloidcs of American authors, not L. 



Shrub. 1-2 m. high, glabrous throughout; 

 leaves elliptic to oblaiiceolate, ovate-oblong 

 or obovate, 2-4 cm. long, margins entire and 

 revolute, mostly obtuse, narrowed at the base, 

 short-petioled, firm in texture, green above 

 and glaucous beneath, finely and closely reti- 

 culate on both sides ; aments 1-2 cm. long, 

 appearing with the leaves and borne on leafy- 

 bractcd peduncles ; stamens 2 ; capsules nar- 

 rowly conic, 5-7 mm long, glabrous ; pedicels 

 slender, 2-3 cm long, longer than the persist- 

 ent acutish thinly villous scale ; style very 

 short. 



In sphagnum bogs and wet meadows, Transition 

 and Canadian Zones; southern British Columbia, 

 Washington west of tlie Cascades, and northern Idaho; 

 east to Quebec and New Jersey. Type locality: "on 

 the Catskill Mountains, New York."' 



14, Salix lutea Niitt. Yellow Willow. 



Fig. 



1203. 



Salix lutca Nutt. N. A. Sylva 1: 63. pi. 19. 1843. 

 Salix cordata lutca (Nutt.) Bebb, Card. & For. 8: 



473. 1895. 

 Salix cordata watsoni Bebb. Willows Calif, (repr. 



S. Wats. Bot. Calif. 2: 86.) 1879. 

 Salix flava Rydb. Bull. Torrey Club 28: 273. 1901, 



not Schoepf, 1796. 

 Salix watsoni (Bebb) Rydb. Bull. Torrey Club 33 : 



137. 1906. 



A clustered shrub 2-5 m. high ; twigs 

 yellow, or reddish brown on the sunny side, 

 glabrous or those of the season puberulent ; 

 leaves narrowly to broadly lanceolate, acute 

 to short-acuminate at the apex, rounded to 

 cordate at the base, 4-8 or 10 cm. long, 

 1 5-4 cm. wide, serrulate to entire, mostly 

 yellowish-green, glaucous beneath; stipules 

 ovate to lunate, serrulate to entire ;, aments 

 nearly sessile, on very short bracted pe- 

 duncles; staminate 2-3 cm. long; pistillate 

 2-4 cm. long, 1 cm. wide ; scales oblanceo- 

 late, acute to obtuse, tawny, thinly crisp 

 pilose ; capsules ovate-conic, 4-5 mm. long ; 

 glabrous; pedicels 0.7-2 mm. long; styles 

 less than 0.5 mm. long; filaments free. 



Along streams and in wet places up to 7,000 feet. Transition and Canadian Zones; Washington and 

 Oregon east of the Cascades, east to northern Alberta and Manitoba, south to Colorado, northern Arizona, 

 and (sparingly) in the Sierra Nevada to the San Bernardino Mountains, California. Type locality: "Rocky 

 Mountains westward to the Oregon" (Columbia). 



Salix lutea ligulifolia Ball, Bot.' Gaz. 71: 428. 1921. Twigs mostly dark, sometimes yellowish: leaves 

 narrowly lanceolate or oblong, strap-like, 5-10 by 1-2 cm., subentire, dark green; capsule 4-5.5 mm. long, 

 pedicel about 1 mm. 



With the species, Yosemite Valley, California, and western Nevada to the Black Hills, South Dakota, and 

 southern New Mexico. 



Salix lutea platyphylla Ball, Bot. Gaz. 71: 430. 1921. {Salix cordata var. Bebb, in King, U. S. Explor. 

 40th Par. 5: 325. 1871.) Differs from the species in its longer and more slender petioles, 8-15 mm. long, 

 and broader and shorter leaves, elliptic-obovate to ovate, 1.5-3 cm. wide, 4-8 cm. long, commonly 2x4, 

 2-2.5x5-7, or on shoots, 4.5x9 cm.; pedicels longer, 1-2.5 or 3 mm. long. 



Mountains, northern Oregon, east of the Cascades, to southwestern Wyoming, south to southern Utah, 

 with the species. 



