~ 
' 
24 BOTANICAL OBSERVATIONS IN WESTERN WYOMING. 
tose variety. It is Nuttall’s 4. ae which I had referred to 4. Chamissonis, incor- 
rectly,as I am now con vinced, but all these scbinge seem to run together inextricably. 
Nuttall’s name is a pe] one, anit so, on the whole, is the species which on a s 
i ore 
ve.—A. G@ 
IPZA (APHYLLON) ieahe once les P. fasciculata; but the whole 
plant is of a light yellow color and mo e glandular-hairy; peduncles only about twice 
the length of the rhs corolla a sulphur-yellow.—Dry and sandy hillsides, Owl Creek; 
parasitic on roots of grasses. —C. C, 
215, ICULARIS PARRYI Pini var. PURPUREA cate ndant in pine woods at the 
foot of Yellowstone Lake. I do t find any marked characters to distinguish this 
seh Sweeny Parryi of the Cote rado Rock ountains, except the larger dull 
purple flowers, the lanulose-ciliate bracts, filaments slightly hairy, and leaves more 
lult ser mae with the divisions broader and less divaricate.— 
ORTHOC 
C.C. Parry. 
218, ARPUS PARRYI.—Differs from QO. pallescens Gray in somewhat greater 
height (almost a foot high) and in the close and shoif cinereous pubescence; corolla 
broader and yellowish, its m deci trisaccate lower lip equalling in h the 
road galea, its 3 lobes See oval, obtuse, about the length of the saccate portion.— 
Pacific Springs, ete. wers 7 lines long; the lower rather distant, in the axils of 
spaiere , Soe foliaceous “aciniate mpinpetind bracts; calyx 2-cleft to the ane nearly 
slightly yellowish.—A. GRA 
"CARE EX TENUTROSTRIS Omey.—Spike ovate or nearly rou nd (s-H jam. Joo, 7-10 
wide), composed 
short, leafy, lower. margins hyaline; stigmas 2; perigynium mogibidel ovate, ;Janceolate 
3°2 m ong, *8 mm. wide), tapering to a very slen er | 
branous palin fringed ak fp, faintly. nerved, doubly serrate and winged « on n the 
wa down, longer t 
acute hyaline green nerved scale (2-21 mm. sn 1-1-5 broad), never hi Hid; henium 
straw colored, oblong, stiped (1-4 mm. long. °6 wide).—Stipe 4 
14 mm.; style 2°2 mm.; stigmas pad 8 mm. j root yo ous, sige 6-8 ¢m. high, leaves flat; 
margin finely serrated. rough and shorte er than culm 
It resembles Carex Hayden rin size, leaves anc cy se fca OREN, It differs i in the 
color of its spikes, its Hip ei rappers in its perigynium wh and 
in its orifice fringed at top, and in this diff ering from its Cal close ally C. lencotlon 
and from ype more remote. "rege C. festiva it differs St anaionte, and in the 
wings aa SPLIAbNEDS of the peri Byam, hs exhenaing ip nthe base —S.T. OLNEY 
307. 
(5-20, 2-42 in, 
4-angled, slender, tapering to a very fine ms nolut. be right green, 6 soft; epidermis cells 
elongated; with stomata, but without peripherical bast bundles; sporocarp mostly 
oblong, covered about 3 or } by the velum, ascii ted; many ospores ( ip "45 m: 
nk 
wide) beset with minute points and wrinkles p 26-031 : ong>more 
or less papillose or spinulose, deep brown.— ae pond d shallow lak 
Nevada of California, at an lysing of Sabie 000. feet, ‘ scattered or “rely. in smpall. 
patches ” (Tuolumne, Mount Dana, Mono-tr Cisco, Mary nder, 1866 
e, H. 
and 1870), and on the Rocky Mountains, Ahan pedi i ail cueies axe 7,400 
feet alt. —— rry, No. 307, 1873). 
cies ingatge in the western mountain regions our eastern wide- 
This spread 
Isoétes Gibicasin r, Braunii, and the very local I. saccharata. oth collectors 
oun ae it growi ie in ae mud covering gravel, an ee submerged, but the ab: 
dant stomata would seem to indicate that the plant, at times, vegetates out of water. 
Leaves very pone ui g Mower in diameter in the lower third, very broad winged below 
ds mninpte, mostly poi inted wart $ on the macrospores are often 
confiu imens [ find them 
rkles dive, pa 
preiete ‘britera ted. The specimens al Yel ei i hn characterized by 
rather smaller macrospores (028-0 38 m m. Wide) and a little male Sef 026 2a te mm.) 
almost smooth microspores, and may be e distinguished ag vy. 
only other eneeane of Isoétes, thus far found in the peas mountains and on 
the Pact slope, are 
ISOETES PYGMZEA Stoxeke: -—Very submerged, few (5-10), short (4 to 1 inch), stout, 
(214) 
