170 XI. CRUCIFER &. ‘ Sinaris. 
2. C. Cuetri.— Wall-Flower.—St. somewhat shrubby and decumbent at base ; 
lws, entire or slightly dentate, lanceolate, acute, smooth; branches angular; pet. 
obovate; siliqgues erect, acuminate—2 From S. Europe. A popular garden 
flower, admired for its agreeable odor and its handsome corymbose clusters of 
orange or yellow flowers. Plant 1—2fhigh. Jn. 
2. MATTHIOLA. R.Br. 
In honor of P. A. Matthioli, physician to Ferdinand of Austria, and botanic author. 
Calyx closed, 2 of the sepals gibbous at base; petals dilated; 
siliques terete; stigmas connivent, thickened or cornute at the back — 
Herbaceous or shrubby, oriental plants, clothed with a hoary, stellate 
pubescence. 
1. M. annuus. R. Br. (Cheiranthus. Linn.) Ten-weeks Stock.—St. herba- 
ceous, erect, branched; lvs. hoary-canescent, lanceolate, obtuse, subdentate; 
silique subcylindrical, without glands.—@ A fine garden flower from 8. Europe. 
Stem 2f high, and, with the leaves, covered with a soft, stellate pubescence. 
Flowers variegated. Jn.t 
2. M. incanus. R. Br. (Cheiranthus. Linn.) Purple July Flower.—St. 
shrubby at base, erect, branched; Jvs. lanceolate, entire, hoary-canescent; 
siliques subcylindrical, truncate and compressed at apex, without glands.—@Q) 
One of the most popular flowers of the genus, native of England, &c. Stem 
2f high. Flowers purple.—Several varieties are enumerated, as the Double- 
flowered, Brompton Stock, and Brompton Queen. Jn. fF 
3. M. renestrauis. R. Br. (Cheiranthus. Linn.) Window July Flower.— 
St. suffruticose, erect, simple; lvs. crowded, recurved, undulate, downy; siliqgues 
downy, without glands, broadest at base—From 8. Europe. Plant If high. 
Flowers numerous, large, purple. Jl. Aug. fF 
4. M. Gracus. R. Br. (Cheiranthus. Linn.) Grecian Stock.—St. herba- 
ceous, erect, brariched; Jvs. lanceolate, glabrous; siligues somewhat compressed, 
without glands. From Greece. Plant about If high, distinguished from 
the remainder of the genus by its smooth foliage. Flowers white, appearing 
all summer. f 
- 23. SINAPIS. 
Sepals equal at base, spreading; petals ovate, with straight claws ; 
siliques subterete; valves veined ; style short and subulate, or ensi- 
form; seeds in a single series, subglobose, 0 >>.—F'ls. always yellow. 
1. S. nigra. Black Mustard. : 
Lower lws. lyrate, wpper linear-lanceolate, entire, smooth; siliqgue smooth, 
somewhat 4-angled, appressed to the rachis of the raceme.—@ In cultivated 
grounds and waste places. Stem 3—6f high, round, smooth, striate, branching. 
Leaves all petiolate, lower ones variously lobed and dentate, upper ones pen- 
dulous and entire. Sepals and petals sulphur-yellow. Pods very numerous, 
nearly 1’ long, beaked with the 4-sided styles. Seeds 00, small, globose, nearly 
black, well known as a condiment. Jn. Jl. +§ 
2. 8. arvensis. Field Mustard. . 
~ St. and lvs. hairy; silique smooth, many-angled, torose, about 3 times 
longer than the slender, ancipital style—d) Naturalized in N. Y., 7 ¢& G., 
and in Vt., Dr. Robbins. Lower leaves large, sublyrate-pinnatifid, upper ones 
oblong-ovate, all repand-toothed. Silique somewhat spreading, 13’ long. Seeds 
large and black. Jn.—Aug.§ 
3. S. atBa. White Mustard.—Lvs. lyrate, smoothish; siligues hispid, torose, 
shorter than the ensiform beak; sds. large, pale yellow.—@) Native of Europe. 
Stem 2—5f high, thinly hirsute. Leaves all lyrately pinnate, dentate, petiolate. 
Siliques spreading, about 4seeded. The seeds are used for about the same 
purposes as those of S. nigra, much esteemed in medicine. Jn. Jl. ¢ 
