140 Rhodora [JuLy 
thick as the long (4-8 cm.) slightly flattened rigid ascending siliques.— 
Fl. Brandenb. 36 (1864). Erysimum vernum Mill. Dict. ed. 8, no. 3 
(1768). Erysimum praecox Sm. Fl. Brit. ii. 707 (1800). B. praecox 
R. Br. in Ait. Hort. Kew. ed. 2, iv. 109 (1812).— Somewhat cultivated 
as a salad under the names BELLE ISLE Cress, EARLY WINTER C REss, 
and Scurvy Grass, and locally naturalized in the Eastern and South- 
ern States. 
-— + Basal leaves simple or with 2—6 lateral leaflets. 
++ Stems or branches leafy only to the base of the finally elongate racemes. 
B. orrHoceras Ledeb. Grabrous, strict, the stem and lower 
leaves often purple-tinged: basal leaves oblong or elliptic, simple 
or with 2 or 4 small lateral leaflets: lower and middle cauline leaves 
more decidedly lyrate-pinnatifid, ordinarily with 4-12 small leaflets: 
uppermost oblong or narrowly obovate, lyrate-pinnatifid, with few 
basal lobes: racemes in anthesis densely flowered, in fruit elongate and 
slender:. sepals pale: petals pale yellow, 2.5-5 mm. long: siliques 
subterete or compressed, not conspicuously angled, 2-3.5 ст. long, 
somewhat crowded, strongly ascending or appressed, on thick pedicels 
3-8 mm. long.— Hort. Dorp. (1824), and Fl. Ross i. 114 (1841). 
B. praecox Richardson, Frankl. Jour. App. 15 (1823); Hook. Fl. 
Bor.-Am. i. 39 (1829); T. & G. Fl.i. 75 (1838); not Sm. B. vulgaris, 
B. gracilis T. & С. 1. c. (1838), perhaps not DC. B. gracilis Nutt. 
ex T. & G. l. c. (1838). B. vulgaris, var. stricta Gray, Man. ed. 2, 
35 (1856) and subsequent Am. auth. in part, not Regel. JB. stricta 
Кейт. Pl. Vase. Lapp. 6 (1864-1869); Robinson in Gray, Syn. Fl. i. 
fasc. i. 150 (1895) in part ; not Andrz. B. Barbarea [as barbarea], var. 
stricta MacMillan, Met. Minn. Val. 259 (1892) in part, but not as to 
name-bringing synonym. B. americana Rydb. Mem. N. Y. Bot. 
Gard. i. 174 (1900). Campe Barbarea [as barbarea] W. F. Wight in 
Piper, Contr. U. S. Nat. Herb. xi. 303 (1906) in part, but not as to 
name-bringing synonym.— Banks of streams or in swamps, northern 
Labrador to northwestern Alaska, south to the St. John River, Maine, 
Mt. Washington, New Hampshire, shores and islands of Lakes Huron 
and Superior, Colorado, and southern California; also from north- 
eastern Asia to arctic Scandinavia. Passing by numerous gradations to 
Var. dolichocarpa, n. var., siliquis patulis vel adscendentibus remotis 
vel subremotis subincurvis 2.5-5 em. longis.— Siliques spreading or 
ascending, remote or subremote, somewhat incurved, 2.5-5 em. long.— 
British Columbia to Wyoming, south to Lower California and central 
Mexico. Type collected on wet ground in woods, western Klickitat 
Co., WasriNGTON, May 19 and July, 1891 (W. N. Suksdorf, no. 2022). 
Some other numbered specimens are Wyoming, Union Pass, August 
10, 1894 (A. Nelson, no. 864): CALIFORNIA, near summit of Mt. 
Sanhedrin, Lake Co., July 20, 1902 (A. A. Heller, no. 5925): ARIZONA, 
vicinity of Flagstaff, altitude 7000 feet, June 1, 1898 (D. T. Mac- 
Dougal, no. 24): Mexico, Cuantillan, Valley of Mexico, May 13, 1899 
(C. G. Pringle, no. 7740). 
