PENTANDRIA, DIGYNIA. 
150 
and yields what is known in domestic practice, under the name 
of ‘worm-seed oil. A Very rare plant in this neighbourhood. I 
have once or twice met with it in the Northern Liberties near 
fences ; and in the vicinity of the Buck inn, on the Lancaster 
road. Perennial. June, August. 
All the species of chenopodium, are probably introduced ; 
but Mr. Elliot thinks this species a native. 
147. SALSOLA. Gen. pi. 437. {AtnpUces.) 
Calix 5-parted, with a capsular base. Corol- 
la none. Style bifid. Seed i, horizontal, 
cochleate, covered by the connivent calix. 
(Fruiting calix in many species surround- 
ed by a membranaceous dorsal margin. — 
JSTutt. 
Kail. 1. S. herbaceous decumbent, glabrous ; leaves dila- 
ficanumana. subulate, spiuy j calix when in fruit flatten- 
ed, winged. — Ftrs. and Mich. 
Salt-wort. 
A spinous prickly plant, of diffuse decumbent habit. Near 
Camden ; Mr. Collins. I have found it plentifully on the sandy 
shores of Jersey, close to the Delaware, and immediately oppo- 
site to Gloucester point. Annual. July, August. 
148. ULMUS. Gen. pi. 443. {Amentacece.) 
Calix campanulate^ 4 or 5-cleft. Corolla none. 
Samara compressed^ encompassed by a 
membranaceous alated border. [Stamina 
sometimes 4 and also 8.) — JSTutt. 
Americana, 1. U. branches smooth, recurved; serratures of 
the leaves hooked, acuminate ; flowers pedicel- 
late ; fruit fi mbriate.— 
Icon. Mich. Arb. forest, vol. 3. p. 269. t. 4. 
Jlmerican Elm. White Elm. 
A large tree, well knov/n by the above English name. On 
the margins of creeks and rivers in our neighbourhood. April. 
