40 ORDER 11. CKUCIFER^E. 



14, SCHIZOPETALON, Sims. (SxtZco, to cut, as the petals appear 

 to be.) Sep. erect. Pet. pinnately lobed, involute in the bud. Silique 

 linear, compressed. Stig. lobes erect, connate. Seeds oblong or globular, 

 cotyl. twisted (| o). Lvs. sinuate-pinnatifid. Fls. white or purple. 



S. WALKERI. Stem slender, erect, branching, 2f. Lvs. canescent. Fls. racemed. Chili. 

 Raised from seed. Flowers large, curious, soon perishing. 



15, BRASSICA (and Sinapis) L. CABBAGE, MUSTARD, &c. (The 

 ancient names.) Silique long, terete, or 4-sided, pointed with a stout style 

 or an ensiform 1-seeded beak. Valves 1-3-veined. Seeds in 1 row, globu- 

 lar, ((o. Root Ivs. piimatifid. Rac. elongated. Fls. yellow. Figs. 239, 192, 429. 



SINAPIS. Sep. spreading. Pet. ovate. Pod with an acute beak ISTos. 1, 2, 3 



BRASSICA. Sep. erect. Pet. obovate. Pod squarish, with a blunt style. . .Nos. 4, 5, 6 



1 B. nigra L. Mack Mustard. Smooth; pod 1', smooth, somewhat 4-angled, ap- 



pressed to the rachis, and beaked with a slender, 4-sided style. 3 6f. 



2 B. arvensis (L.) Field Mustard. St. and Ivs. hairy ; pod If, smooth, many-angled, 



torulous, spreading, thrice longer than the slender ancipital style, (i) June, July. 



3 B. alba (L.) White Mustard. Lvs. smoothieh ; siliques hispid, torulous. shorter than 



the ensiform beak ; seeds large, pale yellow. (3) Eur. 3 5f. Pod 4-seeded. 



4 B. campestris (L.) Cole. Lvs. somewhat fleshy and glaucous, the lower lyrate- 



dentate, subciliate, upper cordate-amplexicaul, acuminate. (J) Fields. 2f. July. 

 j3. Kutahhg-a, Swedish Turnip. Root tumid, napiform, subglobous, yellowish. % 

 H fl.Ra.pa L. Radical Ivs. lyrate, rough, not glaucous, cauline ones incised, upper 

 entire, smooth. 

 /3. PEPRESSA. Common Turnip. Root depressed, flobous or napiform, contracted 



below into a slender radicle. @ Long cultivated for its root. $ 



6 B. OLERACEA L. Cabbage. Lvs. very smooth and glaucous, fleshy, repand-toothed 

 or lobed. @ Europe, on rocky shores, forming no head. 

 /S. BULLATA. Savoy Cabbage. Lvs. curled, subcapitate, finally expanding. $ 

 y. BCTRYTIB-CAULIFLORA. Cauliflower. Stem low ; heads thick', compact, teru> 



nal ; flowers abortive, on short, fleshy peduncles. \ 

 4. BOTBTTIS ASPARAGOIDES. Broccoli. Stem taller ; heads subramous ; branches 



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

 . CAPITATA. Head Cabbage. Stem short ; leaves concave, packed in a dense 

 head before flowering ; raceme paniculate. * 



16. ALYSSUM, L. MVDWORT. (Gr. , privative, Xv66a, rage; sup- 

 posed by the ancients to allay anger.) Calyx equal at base. Pet. 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 (= c ). Showy European 

 herbs, half shrubby at base. 



1 A. maritlmiim Lam. Sweet A. Lvs. lance-linear, acute, entire, some hoary; 

 pods oval, smooth, 2-seeded ; fls. white, small, sweet. 74: If. Escaped from gardens. 



12 A. calyclnum L. Calyx persistent ; Ivs. llnear-spatuiate. canescent ; pods orbicu- 

 lar, lens-shaped, with a thin border, 4-seeded; fls. yellowish. (T) If. Fields: rare. 

 Mass. N. Y. (Wayne Co., Hankenson). 



3 A. SAXATILE. Rock A. Lvs. lanceolate, entire, downy ; pods round-obovate, 2-seeded ; 

 flowers yellow, corymbed, abundant and brilliant. 11 Cnndia. 9'. April. 



17. LUNARIA, L. HONESTY. (Lat, luna, the moon ; from the broad, 

 lound silicles.) Sep. somewhat bisaccate at base. Pet. nearly entire. 

 8tam. without teeth. Silicle pedicellate, elliptical, or lanceolate, with flat 



