344 PROCEEDINGS OF THE AMERICAN ACADEMY 



narrow acute teeth, strongly 1 0-nerved, net-veined above ; petals 

 white, scarcfly exserted, the limb bifid with a shorter lobe on each 

 side, the narrow naked claw having the auricles produced upwards as 

 far as the short oblong appendages and somewhat hooded ; filaments 

 exserted ; styles included ; ovary naiTowly oblong, shortly stipitate. 



— Collected only by Dr. Thurber (n. 726) in August, 1852, in 

 arroyos near Janos, near the boundary line of South-western New 

 Mexico. 



SiLENE PECTiNATA. Viscidly pubescent; stems erect, stout, 1^ 

 feet high, simple or branched; leaves lanceolate, acuminate, ] 2-2^ 

 inches long, the radical attenuate to a long slender petiole equalling 

 the blade ; flowers in a narrow strict or dichotomously branched panicle, 

 erect on pedicels |-1 inch long ; calyx oljlong, 6-9 lines long, cleft 

 nearly to the middle, the teeth narrow, acute ; petals dark rose or 

 purple, nearly an inch long, the naked claw narrow and without auri- 

 cles, the broadly oblong limb deeply bifid with obtuse segments, the 

 lanceolate appendages entire ; ovary oblong, the capsule nearly sessile 



— Collected near Carson City by Dr. Anderson (n. 18) ; in "Walker's 

 Meadows by Brewer (n. 1857) ; and in Plumas County, California, 

 by Mrs. M. P. Ames, and also by Lemmon. 



SiLENE VERECUNDA. Glandular-pubcscent ; stems low, clustered, 

 erect, 8-10 inches high, simple ; leaves oblanceolate, acute, lA— 2 inches 

 long ; flowers few, in a loose panicle, erect ujxin mostly elongated 

 pedicels ^1 inch long; calyx obloug-cylindric, 6 lines long, with 

 acutish triangular teeth, net-veined above ; petals 9 lines long, rose- 

 colored, the oblong limb cleft to the middle with linear entire lobes, 

 the appendages notched at the apex, and the naked claw narrowly 

 auricled; filaments included; ovary oblong, shortly stipitate. — Near 

 S. incompta. Collected only by Bolander (n. 352), on rocky hills 

 near Mission Dolores. 



SiLENE Spaldingii. Viscidly tomentose; stems erect, stout, a 

 foot high or more, simple or branched, very leafy ; leaves lanceolate to 

 oblong-lanceolate 1 .^-2 inches long, acutish ; flowers in a short strict 

 racemose panicle, nodding or erect ; calyx oblong-cylindric, 7-8 lines 

 long, with large triangular-ovate acutish teeth, net-veined to the base ; 

 petals scarcely exserted, the broad auricled claw naked, the limb ver) 

 short and triangular, notched at the apex, and with four small lanceo- 

 late appendages at base ; filaments and styles included ; ovary oblong, 

 shortly stipitate. — Collected only by Spalding on the Clear Water in 

 Central Idaho. 



Sagina occiDENTALis. Annual, glabrous, very slender and deli- 



