364 
BOTANY. 
stipitate, nearly equal to the acute ovate scale, which is of a pale straw-color 
with a white membranous margin ; achenium tawny, lenticular, contracted at 
base. Culm 1-2° high, rigid ; leaves broad, linear, erect. — Sitka, (Bongard;) 
Washington Territory, (Scouler;) California, from the Sacramento to the 
southern boundary ; Nebraska, (Ilayden ;) Colorado, (Hall & Harbour, and 
E. L. Greene.) Found in subalkaline meadows in Unionville and Thousand 
Spring Valleys, Nevada, and in Jordan Valley, Utah ; 4,300-5,000 feet alti- 
tude ; May-October. (1,227.) 
Carex Hoodii, Boott. S|)ike composed of ten or more androgynous 
ovate spikelets, generally naked, sometimes bracteate, closely congested, 
staminate at top ; stigmas 2 ; perigynium ovate, beak bifid, (the orifice 
deeply cleft in front,) j)urplish, nerved on both sides, serrate on the margins 
equal in breadth and length, sometimes longer than the acutely ovate striate 
scale, which has a green nerve and hyaline margins ; achenium orbicular 
with a contracted base. Culm lJ-2° high, leafy below, the rudimentary 
sheathing leaves blackish-purple. — From Washington Teri'itory to California, 
(1772, 198r>, and 2354 Brewer, the first at 9,000 feet altitude ; 6215 and 
6218 Bolander.) In the Wahsatch, near Salt Lake City ; 5,000 feet altitude ; 
May. (1,228.) C. Hoodii, Boott, in Whipple's Report, Pac. R. R. Surv. 
4. 153, is C. Brongniarliij Kth. 
Carex tenella, Schk. From New England to Michigan and the 
Saskatchewan and northward to Arctic America, and south in the mountains 
to Colorado and New^ Mexico. Uinta Mountains, in Provo and Bear River 
Canons; 7-8,500 feet altitude ; July, August. (1,229.) 
Carex vitilis, Fries. Spike oblong, composed of 4-7 small few^-flow- 
ered androgynous spikelets, staminate at base ; stigmas 2 ; pen gy nium spread- 
ing, oval or ovate-conic, beaked, the orifice deeply cletl anteriorly, scab- 
rous above on the margins, irregularly nerved, (nerves of the same color, 
those on the back obsolete or vanishing upward,) membranous, spongy at 
base, longer than the acute or obtuse ovate scale ; achenium oval. — (C. canes- 
cens, L., Var. vitilis. Gray; Manual.) Two forms occur: 
Forma brUxXxea. Arctic America ; Canada ; Mountains of New Hamp- 
shire, Pennsylvania, Carolina, and Georgia. 
Forma pallida. Arctic America; New Hampshire; Massachusetts; 
New Jersey, (Canby.) Uintas, near head of Bear River; 8,000 feet alti- 
tude; August. (1,230.) 
