Tsay Poe cage 
ad 
rea eet 
: RANE Fi 
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VOL. XII. NO. 5.—BOTANICAL GAZETTE.—MAY, 1888 ; 
Notes on North American Willows, with a description of new or 
imperfectly known species. I. | 
M. S. BEBB. 
elapsed they still remain, unsupported by further findings, _ a 
to attest the occurrence of any form of S. glauca west ofthe = | 
9,000 feet, is the same plant. or 
Taking now the allied forms of the Sierra Nevada and eet 
Cascade ranges, we have, first, the well known S. Califor- 
nica, more clearly distinguished from all forms of the Glauce 
by its glandular-serrulate leaves, green both sides, entire 
Style and entire erect stigmas, than was at first believed. 
This, so far as known, is peculiar to the Sierra Nevada, and 
not found beyond the limits of the state for which it ismamed. 
Going northward, we next come to a species of the Cascades 
an lue mountains, not heretofore recognized, sharing 3 
m % 
with S. Californica the characters abov 
easternmost limit on some rugged pe 
part of the Idaho system. Finally, this, i 
on Mt. Adams by still another species exhib a still — 
further approach to the Cordate, as I have indicated inthe — 
description. This ranges from Mt. Adams far nort 
