Ohder 13.— CRUCIFEE^. 235 



2 S. arvfinsia L. Field MnSTAHD. St. and leaves hairy; silique smooth, many- 

 angled, iortilotis, spreading, about 3 times longer than the tlmder, ancipital style.— :(£) 

 Naturalized in N. T. (T. and G.) and in Vt. (Robbins). Lower Ivs. large, subiy- 

 rate-pinnatifid, upper ones oblong-ovate, all repand-toothed. Silique somewhat 

 spreading, IJ' long. Sds. largo and black. Jn.. Aug., § Eur. 



3 S dlba L. Whitb Mostard. Lvp. smoothish; siliques hispid, torose, 

 shorter thorn the ensiform beak sds. large, pale yellow. — (1) Native of Europe. St. 

 2 — 5f high, thinly hirsute. Lvs. all lyrately pinnate, dentate, petiolate. Siliquos 

 spreading, about 4-seeded. The seeds are used for about the same purposes as 

 those of S. nigra, esteemed in medicine. Jn., Jl. J. 



16. BRASSICA, L. Cabbage, etc. (Celtic brcsic, the cabbage.) 

 Sepals equal at base, (mostly) erect ; petals obovatc ; filaments without 

 teeth; silique sub-compressed, valves concave, with a central vein; 

 style short, subterete, obtuse ; seeds globous, in a single (often double) 

 row (0»). — Fls. yellow. 



1 B. campestris L. Calb. Lvs. somewhat fleshy and glaucous, the lower lyrato- 



dentate, suhciliate, upper ones cordate-amplexioaul, acuminate.—® Cultivated 



fields and waste places. St. IJ — 3f high, with a few, scattered, reversed hairs 



below. Lower lvs. 3 — T long, J as wide, upper smaller, entire, with rounded 



clasping lobes at base, tapering to an obtuse point. Rac. 1 — 2f long. Sop. 



erect, spreading. Cor. yellow, 4 — 5" diam'. SiMquea IJ' long, with the stylo J'. 



Sds. small, dark brown. Jn., Jl. § Sweden. 



/3 RuTABASu Swedish Turnip. Et. tumid, napiform, subglobous, yellowish; 



— Cultivated like the common turnip: but after a thorough experiment, it is 



conceded oy farmers to be inferior in value to that root, although it grows to 



an enormous size. ^. 



2 B. rdpa L, Radical lvs. lyrato, rough, not glaucous, oauline ones incised, 

 apper entire, smooth. J:. 



P depressa. Common Turnip. Rt. depressed, globous or napiform, contracted, 

 below into a slender radicle. — ® Long cultivated for the table, etc., in gar- 

 dens and fields. St. 2 — If high, and with the leaves deep green. Upper 

 lvs. amplexicaul. Pods 1' long. Sds. small, reddish-brown. Jn. j^ 



3 B. oleracea L. Cabbage. Lvs. very smooth and glaucous, fleshy, repand- 

 toothed or lobed. — ('ij Native of Europe, where it grows on rocky shores and 

 cliffs, with no appearance of a head, forming a surprising contrast with the cul- 

 tivated varieties. The excellence ~ of the cabbage as a pot-herb needs no en-., 

 comium. :]: 



BULLATA. Savoy Cabbage. Lvs. curled, subcapitate when young, finally 

 expanding. 



y BoiRTTis-CAnLiFLORA. CAULIFLOWER. St. low; hds. thick, compact, termi- 

 nal ; fls. abortive, on short, fleshy peduncles. :{. 



i BOTRTTIS ASPAHAGOIDES. BROCCOLI. St. taller ; hda. subramous ; branches 

 fleshy at the summit, consisting of clusters of abortive flower-buds. |. 



t CAPITATA. Head Cabbage. St. short ; lvs. concave, packed in a dense 

 head beforo flowering ; rac. paniculate. :f. 



17. ALYSSUM, L. Madwort. (Gr. a, privative, Xvaaa, rage ; sup- 

 posed by the ancients to allay anger.) Calyx equal at base; petaJs 

 entire ; some of the stamens with teeth ; silicle orbicnlar or oval, with 

 valves flat or convex in the centre; seeds 1 — 1 in each cell (0=). — 

 Showy European herbs. 



1 A. saxdtlle L. Rock Altssum. Madwort. St. suffruticousatbase, sub- 

 corymbous; lvs. lanceolate, entire, downy; ailicle obovate-orbicular, 2-seeded ; sda 

 margined. — An early-flowering garden perennial, native of Candia. St. If 

 high, with numerous yellow flowers in close corymbous bunches. Apr , 

 May. \. 



