240 BOTANY. 
heads in long, drooping racemes, 3-5. Styles long; ‘stigmas at first of 
a deep and bright brown.”—Arizona. 
SALICACE A. 
SaLix* amyGDALorpEs, Anders. (Sal. Bor.-Amer.) (8. nigra, Marsh, var. 
amygdaloides, Anders. DC. Prod. 16, 2, 201.)—Leaves broadly lanceolate, 
3-6’ long, $-13’ wide, with a long tapering point, glaucous beneath, closely 
serrate, petioles long and slender, stipules minute and very early deciduous: 
aments leafy-peduncled, elongated-cylindrical, pendulous; the fertile when 
in fruit lax, 3-4’ long, 4’ thick; scales in the male ament ovate, villous with 
crisp hairs, in the female narrower, somewhat smooth, fugacious: capsules 
globose-conical, glabrous, long-pedicelled; style very short or obsolete, 
stigmas notched. Denver, Colorado (823). From Utah to Missouri; fre- 
quent along the Platte; northward to Red River and eastward to the shores 
of Lake Erie. In aspect very unlike S. nigra, and in fact more frequently 
mistaken for S. lucida. The broad leaves, being supported by long and 
slender petioles, are moved by the slightest breeze, displaying in rapid, 
fluttering succession their conspicuous white under surfaces, thus producing 
an effect in striking contrast with the changeless, soft light reflected from 
masses of the foliage of S. nigra when swayed gently by the wind. 
SALIX Loneiroiia, Muhl.—Santa Fé, N. Mex., Denver, Colo., June 
(822). 
Satix rostrata, Richards. (& livida, Wahl., var. occidentalis, Gray. 
S. vagans, var. rostrata, Anders.)—South Park (821); Georgetown (number 
826 in part); Arizona. : 
Sauix Nova Anexim, Anders. var. psrupo-corpata, Anders. (Sal. 
Monogr. 161, and DC. Prod. 16, 2, 253).—Leaves oblong-lanceolate, acute 
or acuminate, the earliest obovate-oblong and somewhat obtuse, closely 
and slightly serrulate or crenate, bright green and glabrous on both sides, 
reticulate-veined, the young drying black, stipules on vigorous shoots large, 
semicordate, on twigs and flowering branches small or none; aments short, 
oblong-cylindrical, about 1’ long, densely flowered, at first wrapped in the 
* For the elaboration of this genus I am indebted to Mr. M. §. Bebb, who, more than any other 
American, is placing our knowledge of this most difficult group on a satisfactory basis. 
