1905] BRIEFER ARTICLES 377 
as it was collected at no other place. It doubtless is common along the Muddy. 
The region of the Muddy is a very barren desert, scarcely anything growing except 
along the streams or ditches. The water and the soil are quite salty and there are 
low hills of salt which border along the Muddy and the Virgin. The willow, however, 
seeks the stream banks and ditches, the little marshy places being too alkaline.” 
Salix Tweedyi (Bebb) n. comb. S. Barrattiana Tweedyi Bebb, Con- 
trib. U. S. Nat. Herb. 3:572. 1896.—A shrub, with short stout divaricate 
branches; bark on the older twigs gray, somewhat shining, on younger 
twigs chestnut to deep reddish-brown, usually quite glabrous except the 
twigs of the season,which are commonly densely pubescent with spreading 
gray hairs: buds large, 6-ro™™ long, chestnut, thinly pubescent with long 
hairs, at length glabrate: leaves elliptical and acute at both ends, to oval, 
and Wyourne : head of Big Goose Creek, Big Horn Mountains, nos. II (the type) 
i July 15-24, 1893; ‘along streams in Teton Basin, July. With 
neatly smooth! Professor Porter.” J. M. Coulter, 1872. i 
In "a eae is listed by Coutrer’ under the name of S. grea 
R. Mts National Herbarium the Hayden Survey specimen Is wig: cies 
a y daho Terr.” Trail Creek, along which the party worked, is, how: 
<n Montana, not far north of the Yellowstone Park. The = 
"a Pistillate aments and both young and mature foliage. ” TT ugh pai : 
~ ne oats earlier than the type collection, it is not mentioned by ‘ 
The Probably unknown to him. 
Variety was named and described by BeBB in an article 
I 
Hayden, Ann, Rept. U. S. Geol. Surv. Terr. 6: 781. 
. 
by J. N. Rose, 
