51 
Salix cordata, Var. 
¥; 
ar. (?) 
2? Allied to S. cordata, Muhl. 
glauca, L., Var. pullata, And. 
arctica, Br., near Var. Brownei, And, 
phlebophylla, And. 
reticulata, L. 
Populus tremuloides, Mx. 
monilifera, Ait. 
balsamifera, L., Var. angustifolia,S. Watson. (P.angusti- . 
Solia, James. 
trichoc arpa, Pate. Torr 
Ephedra siikdegy sell Sibi C. A. Mey. 
Pinus monophylla, Torr. 
contorta, Dougl., War, latifolia, Eng. 
ponderosa, Dougl. 
Balfouriana, Murray. E. Humboldt Mts., Nevada. 10,000 
ft. alt. 
flexilis, James. 
Abies Engelmanni, Parry. | 
Douglasii;, Lindl. 
. Libocedrus decurrens, Torr. Washoe Mts., Nevada. 7,000 ft. 
April. 
alt. Pp 
Juniperus communis, L., Var. alpina, Lb. E. Humboldt Mts., Ne- 
vada. pens 
Virginiana, L. | 
occidentalis, Hook. 
Lemna trisulea, L. “Phitch 
Valdihiana,(?) th Torreyi, Aust.) Summit Springs, Coyote 
Mts., Nevada. 5,000 ft. alt. June 
minor, sf 
polyrrhiza, L. Truckee River, Nevada. 4,000 ft. alt. J bee 
Typha latifolia, L. 
Sparganium ae Eng. 
inimum, Bauh. Uintas, feat River Cajion. Aug. 
Zannichellia peered L. ad Park, Wabsatch. 6,000 ft. 
alt.. July. 
Potamogeton natans, L. 
rufescens, Schrady Bear River, Uintas. 8,000 ft. 
alt. August. 
lonchites, Tuck. Humboldt Pass, Nevada. 6,000 
ft. alt. September. 
