14 SYNOPSIS OF THE FLORA OF COLORADO. 



ARENARIA VERNA, L., var. HIRTA, Fenzl. Csespitose, 2 / -3 / high, 

 minutely hirsute; leaves subulate, 3-nerved, erect, obtuse or acutish; 

 cyme erect, few or many flowered; sepals ovate, acute, strongly 3- 

 nerved, mostly exceeding the petals. Summit of Pike's Peak, Canby. 

 Clear Creek Canon, Coulter. James's Peak, Greene. 



ARENARIA ARCTICA, Stev., var. OBTUSA. T. & G. Csespitose, stems 

 l'-3' high ; leaves linear-subulate, obtuse, carinate, thickish, serrulate- 

 ciliate, obscurely 3-nerved; peduncles glandular-pubescent, 1 (rarely 

 2-3) flowered; petals about half longer than the oblong sepals. Hall & 

 Harbour, 77; Dr. Smith; B. H. Smith; Meehan ; Brandegee. Mount 

 Lincoln at 13,000 feet altitude, Coulter. Gray's Peak, Red-field. 



ARENARIA ALPINA, L. (Alsine bifiora, Wahl.) Ca3spitose, stems 

 creeping, branches erect, 2'-3' high, mostly 1-flowered, minutely pubes- 

 cent; leaves narrowly linear, 3 7/ -3J 7/ long, nerveless, subconvex beneath; 

 sepals linear, very obtuse, cucullate at the summit, 3-uerved; petals 

 oblong, cuneate, much longer than the capsule and calyx. Hall & Har- 

 bour ', 77 ; Canby. 



ARENARIA (ALSINE) Eossn, E. Br. Csespitose; leaves subulate- 

 triquetrous, rather obtuse, nerveless, scarcely equaling the flower or ex- 

 ceeding the calyx, mostly shorter than the internodes, with manifest 

 lateral nerves ; peduncles 1-flowered ; petals oblong, as long as or a little 

 exceeding the obscurely 3-nerved sepals. Flowers sometimes apetalous. 

 Hall & Harbour ', 69. Clear Creek Canon, Coulter. 



ARENARIA LATERIFLORA, L. Hall & Harbour, 74. 



SAGINA LINN^I, Presl. (S. decumbens, T. & G.) Mostly glabrous ; 

 stems decumbent, branched, ascending, I'-S' long; leaves linear-subu- 

 late, very acute; peduncles much longer than the leaves ; petals and 

 sepals 5, equal, obtuse ; capsule a littte longer than the calyx. Almost 

 wholly apetalous, glabrous, with narrowly linear leaves, which are mostly 

 rnucronate; sepals oblong or ovate. Hall & Harbour, 68. Twin Lake 

 Creek, Coulter. 



PORTUJLACACE^:. 



PORTULACA OLERACEA, L. (P. retusa, Eng.) Denver, July 31, Dr. 

 Smith; Greene. Introduced. 



TALINUM TERETIFOLIUM, Pursh. Found in the mountains with flow- 

 ers fully as large as in eastern specimens, Hall & Harbour, 81. Mee- 

 han ; Porter ; Brandegee. Colorado Springs and Chiaim Canon. 



CALANDRINIA 1 PYGM^EA, Gr. ( Talinum pygmceum, Gr.) Proc. Am. 

 Acad., v. 8, p. 623. Acaulesceiit, glabrous ; root thick, fusiform ; the linear 

 leaves and 1-3 flowered scapes (l'-2') crowded; sepals orbicular, 

 glandular-dentate or entire; petals rose color, 6-8, unequal ; stamens, 

 4-7; stigmas 3-5;' style short, or almost none; ovules, 16-20. 

 Parry, 143. Mount Lincoln at 13,500 feet altitude, Coulter. Gray's 

 Peak, Redfield. Alpine. 



CLAYTONIA CAROLINIANA, MX., var. LANCEOLATA, Watson, (C. 

 lanceolata, Pursh.) Cauline leaves ovate, lanceolate or linear, sessile or 

 short-petioled ; petals more or less emargiuate or entire, rose-color or 

 white. Mount Lincoln at 14,000 feet altitude, July, Coulter. 



1 CALANDRINIA, H. and B. Calyx 2-parted, persistent. Petals 3-5, distinct or 

 somewhat connate at base. Stamens 4 to 15. Style very short, 3-cleft at the apex, 

 lobes clavate. Capsule oblong-elliptic, 3-valved. Seeds estrophiolate. 



