Sage Willow. 



(Fig. 1 186.) 



WILLOW FAMILY. 

 14. Salix tristis Ait. Dwarf Gray Willow. 



SaJi.i- tristis Ait. Hort. Kew. 3: 393. 1789. 



A tufted, slender shrub, i-2 tall, the twigs 

 terete, puberulent, the roots long and thick. 

 v</s oblanceolate or linear-oblong, acute or 

 usish, somewhat undulate, green and pu- 

 ent or glabrous above, persistently and 

 ly white-tomentose beneath, numerous, 

 rded, i / -2 / long, their margins revolute; 

 ioles about \" long; stipules minute, decid- 

 ; anients expanding much before the leaves, 

 se, very small, comparatively few-flowered, 

 ile, the pistillate globose-ovoid and about 

 long in fruit; scales persistent; stamens 2; 

 [laments glabrous; stigmas sessile or nearly so; 

 capsule ovoid with a long, slender beak, tomen- 

 tulose, about $" long, much longer than its 

 filiform pedicel. 



In dry soil. Nova Scotia (?), Maine to Minnesota, 

 south to Florida and Tennessee. March-April. . 



15. Salix discolor Muhl. Glaucous Willow. Pussy Willow. (Fig. 1187.) 



Salix discolor Muhl. Neue Schrift. Ges. Nat. Fr. Ber- 

 lin, 4: 234. />/. 6. f. r. 1803. 

 Salix eriocephala Michx. Fl. Bor. Am. 2: 225. : 



A shrub or low tree, maximum height 25, trunk 

 diameter i; twigs puberulent or glabrous; young 

 leaves sometimes pubescent. Mature leaves usually 

 glabrous, bright green above, glaucous and r 

 white beneath, oblong or oblong-lanceolate, acute at 

 both ends, irregularly serrate or nearly entire, slen- 

 der-petioled, $'-$' long, S" is" wide; petioles 3"- 

 12" long; stipules obliquely lanceolate or semicor- 

 date. commonly deciduous; aments unfolding much 

 before the leaves, dense, the pistillate i #'-3' long in 

 fruit; scales persistent, obtuse, brown-purple, vil- 

 lous; stamens 2; filaments glabrous; stigmas nearly 

 sessile; capsule narrowly conic, tapering to a slender 

 beak, tomentose, 2 ^"-3" long, much longer than 

 its pedicel. 



In swamps or on moist hillsidi-- 

 itoba, Delaware and Missouri. V 

 low-brown; weight per cubic foot 27 Ibs. March April. 



Salix discolor prinoides (Pursli) Anders, in DC. Prodr. 16: Part 2, 209. 1868. 

 Sal i.r prinoides Pursh, Fl. Am. Sept. 613. 1814. 



Pistillate ameiits looser; capsules less tomentose ; leaves commonly narrower. Range of tin- type. 



16. Salix sericea Marsh. Silky Willow. 

 (Fig. 1 1 88.) 



Sali.v sericea Marsh. Arb. Am. 140. 1785. 



A shrub, 5-i 2 tall, with slender purplish puberulent 

 twigs, the young leaves densely silky-pubescent. Ma- 

 ture leaves glabrous or nearly so, lanceolate, acuminate, 

 narrowed or obtuse at the base, serrulate all around with 

 gland-tipped teeth, dark green above, paler and some- 

 what glaucous beneath, turning brown or black in dry- 

 ing, 2> / -4 / long, 5 // -io // wide; stipules narrow, de- 

 ciduous; petioles 2 // ~7 // long, sometimes glandular; 

 anients expanding before the leaves, sessile, usually 

 with a few leafy bracts at the base, dense, the staminate 

 about i / long, the pistillate I'-i.^' long in fruit; scales 

 villous, persistent; stamens 2; filaments glabrous; style 

 very short; capsule ovoid-oblong, obtuse, pubescent, 

 short-pedicelled, about I'X'Mong. 



In swamps and along steams, Maine to Michigan and 

 Virginia. May. 





