300 PROCEEDINGS OF THE AMERICAN ACADEMY. 
striation, reniform, broadly margined. — FI. i. 674; Durand, PI. Pratt. 
83; Brew. & Wats. Bot. Calif. i. 69; Greene, Fl. Francis. 124. A. 
verna, 8, Hook. & Arn. Bot. Beech. 325. Greniera Douglasii, Gay, 
Ann. Sci. Nat. ser. 3, iv. 27. Alsine tenella, Torr. Bot. Mex. Bound. 
36 (ex char. et hab.). — Barren hillsides and grassy slopes, S. Arizona, 
Palmer, and 8. California to Oregon, Howell, Henderson ; some smaller 
flowered specimens with seeds of A. Douglasit have been collected by 
Thurber in San Diego, Calif. 
+ + Seeds not flattened nor thin-margined. 
A. Howellii, Wars. Finely glandular-pubescent: stem terete, 
purple, diffusely branched, more than a foot high: leaves rather thick, 
obtuse, 4~7 lines in length; the floral much reduced: flowers 21-3 
lines in diameter: petals oblong, little exceeding the ovate glandular 
nerveless sepals: capsule ovoid, pointed; valves narrowed to all 
acutish apex; seeds dark, slightly tuberculate-crested. — Proc. Am. 
Acad. xx. 354. 
A. Californica, Brewer. Smooth: the delicate filiform stems 
branching from the base, erect, 2-4 inches in height: leaves very 
short, slightly fleshy, 1-2 lines in length, obtuse: flowers 4 lines in 
diameter: petals oblong, about twice the length of the ovate-oblong 
nerveless or inconspicuously ribbed sepals: seeds small, finely rough- 
ened. — Brewer in Boland. Cat. 6; Brew. & Wats. Bot. Calif. i. 695 
Greene, Fl. Francis. 124. A. brevifolia, var. (?) Californica, Gray 
Proc. Calif. Acad. iii. 101. — Dry hills, sandy soil. Central Calif: t0 
Grant’s Pass, Oregon, Howell. 
A. pusilla, Wars. Smooth, very diminutive, 13-2 inches high: 
stems purplish, filiform, branched from the base: leaves obtusish, bs 
1-2 lines in length: sepals not so strongly nerved as in the preceding, 
1-1} lines in length: petals minute or wanting: seeds minute, smooth. 
— Proc. Am. Acad. xvii. 867. A. Californica of Bot. Calif. (in 
part). — Plains about Yreka, Calif. (Greene), to the Dalles of the 
Columbia (Howell Bros.), and White Salmon, Wash. (Suksdorf)- 
* * * * Annuals or slender-stemmed loosely matted perennials, 5-15 inches in 
height: sepals lanceolate, acuminate or attenuate, strongly 3-5-nerved. 
+ Puberulent. 
A. tenella, Nurr. Finely glandular-pubescent: stems very slen- 
der, dichotomously branched almost from the base, 3-8 inches ™ 
height: leaves attenuate from a connate prominently ribbed ate ad 
_ a filiform often curved apex, 3-5 lines long; the uppermost considera 
bly reduced: pedicels filiform, several times as long as the strongly 
