Order 13.— CRUCIFER^. 236 



2 S. arrSnsis L. Field Mustaed. St. and leaver hairy; silique smooth, raany-'^-, 

 angled, torulons, spreading, about 3 times Icnger than the dmder, ancipilal style.— -^ - 

 Naturalized in N. T. (T. and G.) and in Vt. (Robbins). Lower Ivs. large, subly- ' 

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

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



3 S dlba L. White Mustabd. Lvs. smootbish; siliques hispid, torose, 

 shorter than the ensiform beak sds. large, pale yellow. — (I) Native of Europe. St. • 

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

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

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



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

 Sepals equal at base, (mostly) erect ; petals obovato ; 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. camp^stris L. Calb. Lvs. somewhat fleshy and glaucous, the lower lyrate- 



dentate, subeiliate, upper' opes cordate-amplexioaul, acuminate. — (D Cultivated 



fields and waste places. St. 1^ — 3f high, with a few, scattered, reversed hairs 



below. Lower lvs. 3 — 1' long, ^ as wide, upper smaller, entire^ with rounded 



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



erect, spreading. Cor. yellow, 4 — 5" diam. Siliques 1 J' long, witli the style J'. 



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



/? Rutabaga. Swedish Turnip. Rt. tumid, napiform, subglobous, yellowish. 



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



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



an enormous size. J. 



2 B. rdpa L. Radical lvs. lyrate, rough, not glaucous, cauline ones incised, 

 upper entire, smooth, if. 



^ DEPEESSA. 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 — 4f high, and with the leaves deep green. Upper 

 lvs. amplexioaul. Pods 1' long. Sds. small, reddish-brown. Jn. :|: 



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

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

 cliff's, 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, if 



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

 expanding. 



■y BOTETTis-CAULiPLORA. CAULIFLOWER. St. low; hda thick, compact, termi- 

 nal ; fls. abortive, on short, fleshy peduncles. |. 



(S EOTRTTIS ASPARAGOIDES. Brooooli. St. taller ; hds. subramous ; branches 

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



e OAPITATA. Head Cabbage. St. short; h-s. concave, packed in a dense 

 head before flowering ; rac. paniculate, f . 



17. AL'fSSUffl, L. Madwort. (Gr. a, privative, Xvaaa, rage ; sup- 

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

 entire ; some of the stamens with teeth ; silicic orbicular or oval, with 

 valves flat or convex in the centre ; seeds 1 — 4 in each cell (0=). — 

 Showy European herbs. 



1 A. saxdtile L. RocK Altssum. Madwoet. St. suS"ruticous at base, sub- 

 corymbous ; lvs. lanceolate, entire, downy; silicle obovate-oriicular, 2-seeded ; sds. 

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

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

 t- 



