CATALOGUE. 277 
obtuse margins and nearly entire beak, appear to distinguish it from divisa, 
which has a bidentate, many-striate perigynium, wing-margined above. 
Carex marcipa, Boott.—Twin Lakes (1012); Santa Fé, N. Mex. 
CaREX VULPINOIDEA, Mx.—Tanks 26 miles south of Camp Apache, 
Arizona (267). 
Carex muricata, L.—Santa Fé, N. Mex. (46, is a very small form). 
Var. eracitis, Boott (C. Hookeriana, Dew.), South Park, Colorado 1088), 
CAREX STENOPHYLLA, Wahl.—South Park (1012). 
CAREX TENELLA, Schk.—Twin Lakes (1016). 
Carex CANESCENS, L.—Twin Lakes (1017) (1018 possibly C. canescens, 
Blytt). 
Carex EcHINATA, Murray (C. stellulata, Good.) (1018 in part).—Twin 
Lakes; also (214) from Willow Spring, Arizona, at 7,400 feet. 
Carex Lipponi, Boott.—Colorado (1030 and 1031); Mount Graham, 
Arizona, at 9,000 feet elevation (427). Dr. Boott founded this species 
on specimens brought from the Columbia River by Dr. Scouler, and 
noticed its affinity to C. arida. It has since been found to have a wide 
range at the West, and to be very variable, approaching C. leporina, L. 
Carex LeporinA, L.—Colorado, Wolf (1024, 1025). 
Carex FESTIVA, Dew.—Mosquito, Colorado (1020); Mount Graham, 
Arizona, at 9,0.0 feet (430). 
CarEX AabDusTA, Boott.—Colorado, Wolf (1028, 1029). 
Carex rieipA, Good. (C. vulgaris, Fries, var. alpina, Boott.)—Chiri- 
cahua Creek, Arizona; also Mosquito, Colorado (1035, 1036), Wolf. 
Carex vuLGaRris, Fries—Twin Lakes, Colorado (1039.) 
Carex aquaTitis, Wahl—South Park (1034). Var., Twin Lakes 
(1037, 1038, Wolf), 18’ high, very slender, with 1-2 male and 1-2 linear- 
clavate, loosely flowered, exsertly pedunculate female spikes; bracts shorter 
than the culm; perigynia (very young) obovate, nerveless, abruptly ter- 
minated by an extremely short, entire beak, broader and shorter than the 
lanceolate purple scales which have a pale midrib. 
Carex Jamesu, Torr.—Denver, Colorado (1032); Willow Spring, Ari- 
zona, at 7,195 feet (216). (No. 245, from Willow Spring, resembles C. 
acuta, L., but the bracts are shorter and the perigynia bidentate.) 
