SALIX SALICACE.E 617 



* Petioles not glandular. 



S. nigra Marsh Arb. Am. 139. (1786). A tree with rough flaky brown 

 bark, 50-120 feet high : stem slender, often crooked or leaning : leaves linear- 

 lanceolate, tapering from the acute base to an extremely long point, often 

 falcate, 4-6 inches loag by 3-4 lines broad, closely serrate, smooth and 

 green on both sides, the midrib prominent: stipules semicordate, often 

 wanting: aments with leafy peduncles, elongated, the fertile becoming 

 rather lax: scales entire or only slightly dentate, villous with crisp hairs: 

 capsule ovate-conical, glabrous, brownish tawny, more or less pedicelled : 

 styles very short ; stigmas slightly notched. Along streams, eastern Ore- 

 gon to California and the Gulf of Mexico. 



S. amygdaloides Anders. Ofv. Handl. Vet. Akad. 1858, 114. A small 

 tree 20-70 feet high, with light yellowish-brown flaky bark : leaves lanceo- 

 late to ovate-lanceolate, pubescent when young, glabrous when mature, 

 dark green above, paler and slightly glaucous beneath, long-acuminate, 

 i 5 inches long by 5-12 lines broad, entire or more or less sharply serrulate, 

 narrowed at base to short petioles : amenta appearing with the leaves, 

 terminal on short lateral leafy branchlets : the staminate 1-2 inches long, 

 their bracts ovate, densely pubescent; stamens more than 2; filaments 

 distinct, pubescent at base : pistillate aments loose, spreading, 2-4 inches 

 long in fruit, their bracts lanceolate and densely pubescent: stigmas nearly 

 sessile: capsule narrowly ovoid, acute, glabrous, at length about as long as 

 its filiform pedicel. Along streams in the interior, Brit. Columbia to 

 Oregon and Missouri. 



S. congesta. S. Isevigata var. congesta Bebb. A small tree 20-30 feet 

 high with pale ash-colored very rough bark and yellowish branchlets : 

 leaves latn-eolate or oblanceolate to spatula te, 1-3 inches long, silky-lanate 

 when young, at length glabrous above, entire or at length glandular serru- 

 late, narrowed below to short petioles : aments solitary at the ends of short 

 lateral branchlets, appearing with the leaves: staminate aments numerous, 

 at length an inch long, the scales orbicular, tomentose ; stamens 5 ; fila- 

 ments pubescent with spreading hairs; pistillate aments spreading, oblong, 

 or shorter, 6-10 lines long, the scales lanceolate: capsules glabrous, ovoid, 

 acuminate, on slender pedicels nearly a line long. Along rivulets near 

 the Klamath river and southward. 



* * Petioles glandular. 



S. lasiandra Benth. PI. Hartw. 336. A slender tree 20-80 feet high 

 with dark brown rough bark: and smooth yellow branchlets: leaves lanceo- 

 late, obtuse to acute at base, conspicuously acuminate, finely serrulate, 2-8 

 inches long, sparsely pubescent, dark green above, pale or whitish and 

 somewhat glaucescent beneath: stipules semilunar or oblong, dentate: 

 aments appearing with the leaves from short lateral leafy shoots : stamin- 

 ate aments rather loosely flowered, 2-4 inches long: their lanceolate pubes- 

 cent scales 2-3 lines long: stamens 5-8, filaments slender, much longer 

 than the scales, slightly pubescent at base: pistillate aments 1-3 inches 

 long, their pubescent lanceolate scales about a line long, deciduous : capsule 

 acuminate-ovoid. 2 lines long on pedicels a line long. Common along 

 streams, Brit. Columbia to California. 



S. Fendleriana Anders. Sal. Am. Bore. 115. A tree 30-60 feet high, 

 with dark brown rough bark leaves lanceolate, long-acuminate, crenulate, 

 green and glabrous on both sides, 3-8 inches long, the short petioles and 

 verv base of the leaves glandular: stipules oMong, sometimes large: 

 aments on leafy branchlets ; staminate dense, 2-3 inches long, their scales 

 pale, oblong, more or less dentate; stamens 5 or more; filaments hairy at 

 base, longer than the scales ; pistillate aments rather loose, the pale oblong 

 scales hairy at base, deciduous : capsules glabrous, short-pediceiled : etig- 



