i i i i a la 
ROBINSON. — ALSINE. 287 
somewhat exceeding the calyx: seeds smooth. — Act. Hafn. x. 447, 
t. 4,f. 14; Torr. & Gray, Fl. i. 184; Fenzl in Ledeb. FI. Ross. i. 384. 
S. marginata, Cham. & Schlecht. Linnea, i. 50. Arenarta thymi- 
folia, Pursh, F]. 317; Eaton & Wright, N. A. Bot. 152. A. Purshi- 
ana, Seringe in DC. Prodr. i. 414; Hook. Fl. Bor.-Am. i. 102. — 
Salt marshes and boggy slopes, Little Cranberry Island, Maine, Red- 
field, and coast of Oregon, Howell Bros., northward to Alaska and 
Arctic America. (Greenland; N. Asia.) The commoner form, var. 
OVALIFOLIA, Fenzl, |. c., has leaves ovate or sub-orbicular, crowded, 
but 1-8 lines in length ; var. OBLONGIFOLIA, Fenzl, |. c., has more 
elongated internodes and oblong leaves, 4—5 lines long. 
S. obtusa, Encetm. Smooth: stems prostrate, 2-3 inches long: 
leaves thin, ovate, acute, about 4 lines long, half as broad: flowers 
solitary, appearing axillary: peduncles 3-4 lines long: sepals ovate, 
obtuse, hardly at all scarious on the margins: petals none: capsule 
1}-14 times as long as the calyx, obtuse ; seeds brown, under a com- 
pound microscope covered with lighter colored oblong tubercles with 
fringed edges. — Bot. Gaz. vii. 5; Macoun, Cat. Canad. Pl. 76. 
S. humifusa, Macoun, Phenog. & Cryptog. Pl. of Canad. 9.— 
Anthracite Creek, Colorado, 9,000-10,000 feet, Brandegee; near 
Macleod’s Lake, Brit. Columbia, Macoun,; Kootanie Pass, B. C., 
Dawson; June, July. 
S. crispa, Cuam. & Scuiecnr. Smooth, or more rarely pu- 
bescent : stems numerous, weak, decumbent: leaves thin, ovate, acumi- 
nate, commonly crisped on the edges: pedicels solitary, 3-6 lines long : 
sepals lanceolate, acute, margined, 3-nerved, considerably exceeded by 
the acutish capsule: petals minute or none. — Linnea, i. 51; Hook. 
Fl. Bor.-Am. i. 97; Torr. & Gray, Fl. i. 186, 675; Gray, Proc. Am. 
Acad. Vili. 378. S. borealis, var. erispa, Fenzl ex Torr. & Gray, Fl. i. 
675; Torr. Bot. Wilkes Exp. 245. SS. borealis, var. apetala, Regel, 
Ost-Sib. i 396 in part. — Mountainous regions of N. Calif, to Alaska. 
Ss. Tuscifolia, Wittp. Glabrous: leaves coriaceous, ovate, sub- 
cordate, acuminate, somewhat rigid with pungent tip: flowers rather 
large, terminal, pedunculate: sepals acute. — Willd. in herb. acc. to 
Schlecht. Berl. Gesell. Nat. Fr., Mag. 1816, 194; Cham. & Schlecht. 
lc. i. 50; Regel, Ost-Sib. i. 419. (Siberia, Kamtschatka.) 
: Var. arctica, Recet, I. c. i. 420. “ Low stems, scarcely an inch 
2 length, sepals obtuse. — On the Melville Islands.” 
= = Leaves broad, an inch or more in length. : 
8. littoralis, Torr. Pubescent; stems decumbent, dichoto- | 
Mously branched, 8 inches in height: leaves ovate, rounded at the 
