ROBINSON. — ALSINEZ. 289 
revolute. — Spec. i. 422; Reichb. Icon. Fl. Germ. v. t. 223. — Found 
more or less established at Train’s Meadow Road, Long Island, Ruger ; 
Poland, Maine, Miss Furbish. (Adv. from Europe.) 
+ + Glandular-pubescent. 
S. dichotoma, L. Stems terete, profusely and dichotomously 
branched: leaves ovate to ovate-lanceolate, acute or acutish, cordate, 
spreading, 6-12 lines in length: peduncles 1-flowered, springing from 
the forks of the branches, considerably exceeding the leaves, com- 
monly deflexed in fruit: sepals lanceolate, acute, usually about equal- 
ling the petals. — Spec. 603; Fenzl in Ledeb. Fl. Ross. i. 378. — An 
Asiatic species of great variability. 
Var. Americana, Porter, in litt. Leaves oval, obtusish: sepals 
oblong, obtuse, but 14 lines long, considerably exceeded by the rather 
harrow white petals. — Collected near Virginia City, Montana, 1871, by 
W. B. Platt on the Hayden Survey, and sent to the Gray Herbarium 
by Prof. T. C. Porter. A portion of the same material has been 
kindly examined by Messrs. Batalin, Korshinsky, and Lipsky, who 
tae Nuttallii, Torr. & Gray. Annual, a span high: leaves 
ie obtusish; the upper much reduced but not scarious: 
i ®rs in dichotomous racemes ; pedicels horizontally spreading, 9 
74 length: corolla 6-8 lines broad. — Fl. i. 183; Fielding, Sert. 
a : Alsine Drummondii, Fenzl ex Torr. & Gray, 1. c. i. 675. 
Ba G uttallii, Gray, Gen. ii. 34. — Arkansas, Nuttall; Louisiana, 
ll entral Texas, Wright, Lindheimer, Drummond, Hall, ete. 
blaca ,ARENARIA, L. Sanpworrt. (Arena, sand, a sandy 
hess oe the habitat of * several species.) — A composite genus, and, 
the Ale: en as here in its more comprehensive sense, the largest of 
Stage Plants of wide distribution both as regards latitude and 
ens ° and possessing in consequence much variability in aspect; 
» ad slender annuals or herbaceous perennials of the habit of me 
* XXIX. (x. 8. xx1.) 19 
