308 PROCEEDINGS OF THE AMERICAN ACADEMY. 
for the genus: petals not quite equalling the calyx: capsule ovate, 
conic, even before dehiscence considerably exceeding the sepals; the 
dry valves fully twice their length: stamens 5-10. — Rel. Haenk. ii. 
14; Fenzl in Ledeb. Fl. Ross. i. 339; Wats. Bot. King Exp. 41. 
S. saxatilis, Wimm. in Lange, Pl. Greenl. 133. Spergula saginoides, 
L. Spec. 441. Alsinella saginoides, Greene, Fl. Francis. 125.— 
Labrador, Allen, to Greenland, Alaska southward along the Rocky 
Mts. to New Mexico; also in Mariposa Co., Calif., Congdon. 
S. nivalis, Linppi. Very condensed, }-1 inch high: leaves subu- 
late, or linear subulate, 2-3 (rarely 5) lines long, forming one oF 
more dense rosettes; cauline leaves few and short: pedicels spread- 
ing, 5 lines in length, straight or curved but scarcely ever hooked 
at the summit: petals equalling the purple edged sepals, about a 
line in length. — Bot. Not. 1845, 66; Hook. f. Are. Pl. 287, 3225 
Babington, Seem. Journ. Bot. ii. 340; Wats. Bot. King Exp. 42. 
S. intermedia, Fenzl, 1. c. i. 839. Arenaria cespitosa, Vahl, Fl. 
Danica, xiii. t. 2289.— A rare plant, first collected in America by 
Dr. Watson in the Uinta Mts. in 1869 (Herb. Dep’t of Agric.) 5 sincé 
found in Alaska, without the exact locality, Dall; Kyska Harbor, 
Harrington ; and also in the Rocky Mts. of Colorado near Gray’s 
Peak, Patterson. The species has been regarded by some authors, 
and perhaps rightly, as a boreal or high alpine form of the preceding. 
* * * Distinctly fleshy: stems not filiform, more or less branched, several 
flowered: flowers 5-parted: species of the Pacific coast. 
S. crassicaulis, Wars. Smooth: stems several or many; 
branching, 14-5 inches long: leaves linear, pungent, thickish, 24-7 
(rarely 12) lines long; the basal forming a rosette which may 
persist or not; the cauline connate by broad scarious membranes: 
pedicels numerous, straight: petals and sepals subequal, 1} lines ™ 
length: capsule }-4 longer. — Proc. Am. Acad. xviii. 191. Alsinella 
erassicaulis, Greene, Fl, Francis. 125.— Beaches of Pacific coast, 
Marin Co., Calif., Congdon ; Monterey Co., Michener & Bioletti ; l- 
waco, Washington, Henderson. Distinguished from the Japanese S. 
maxima, Gray, by its glabrous peduncles and calyx. 
* * » * Stems simple, 2-6 inches in length ; upper ieaves short, proliferous, i.e. 
bearing fascicles of minute leaves in their axils: flowers 5-parted: petals 
exceeding the calyx: species of the Atlantic Slope and Great Lakes. 
S. nodosa, Frenzu. Perennial: stems several to many, decum 
bent, rooting at the base, often 5-6 inches in length: lower leaves 
filiform ; the upper subulate, only a line in length, bearing tuft of : 
_ undeveloped leaves in the axils, thus giving a nodose appearance to 2: 
