336 
BOTAKY. 
Mountains, Nevada ; also found in the Kaft River Mountains, and frequent in 
the Wahsatch ; 6,000 feet altitude. (1,121.) 
JuNiPERUs occiDENTALis, Hook. Fl. Bor. Amer. 2. 166. DC. Prodr, 
16. 2. 489. A monoecious spreading shrub or tree, 10-40° high, with loose 
reddish bark, the branches scattered, spreading, horizontal, or drooping; 
branchlets terete, covered with leaves; leaves in threes, scale-like, closely 
imbricate and appressed, ovate, acute, convex on the back and marked 
between the middle and the base with an oblong gland, finally on the older 
branchlets becoming somewhat free and slightly spreading with an acute 
mucronate subpungent apex, (on rapidly growing shoots often less crowded, 
decurrent at base, the apex free and pungently long-acuminate;) sterile 
aments 2-3'' long, erect, oval, rounded or subquadrangular, scales orbicular, 
rather flat on the back and glandular, entire ; fruit erect on short branchlets, 
solitary, numerous, oval or obovate-globose, rather large (4-5" in diameter,) 
green and glaucous, becoming reddish-brown, of 6 or rarely 9 scales, with a 
short obtuse somewhat spreading or reflexed apex; seeds 2-1, ovate, acutish, 
pale and somewhat shining, 2-3 times larger than in J. Virginiana. — Wood 
white, the innermost heart-wood red. From Western Texas to Cahfornia and 
Oregon. Abundant throughout Nevada, though rarely over 10 or 15° high, 
sometimes 1° or more in thickness at base ; not seen in Utah, nor is it reported 
from Colorado ; 4,500-7,000 feet altitude. These three species probably 
include all the forms found west of the Mississippi. (1,122.) 
LEMNACE^. 
Lemxa trisiilca, L. Northern States and Canada ; the Saskatchewan 
region ; California ; New Mexico. Nevada and in the Uintas ; 5,500-6,000 
feet altitude. Minutely puberulent and occasionally with short scattered 
hairs above; mostly rootless, sterile. (1,123.) 
Lemna ^'ALDESIANA, (?) (X. Torreyi, Aust.) Perhaps a thick and root- 
less form ; found growl iio witii the last at Summit Springs, near Battle Mount- 
ain, Nevada; 5,500 feci altitude ; June. Barren. (1,124.) 
Lemna minor, L. From Florida to Canada and westward ; Arkansas • 
California ; Arizona. Truckce and Goose Creek Valleys, Nevada ; 4-6 000 
feet altitude. July, in flower ; September. (1,125.) 
Lemna polyrriiiza, L. Vvimi Floriila to New England and the Sas- 
katchewan : Arkansas ; 1\ xa>. Truckce River, Nevada; 4,000 feet altitude ; 
barren. (1,126.) 
