CRUCIFER^E. XCVIII. CRAMBE. XCIX. RAPISTRUM. C. DIDESMUS. 



259 



10 C. GLABRA'TA (D. C. prod. 1. p. 226.) longer filaments 

 furnished with a tooth ; pods awnless ; leaves cordate-roundish, 

 and are as well as the stem smooth. Q ? H. Native of Spain 

 near St. Philip. C. cordifolia, Dufour. in ann. gen. sc. phys. 7. 

 p. 308. but not of Steven. Perhaps sufficiently distinct from C. 

 Hispanica. 



Smooth Sea-kale. Fl. June, July. Clt. 1827. PI. H foot. 



11C. RENIFO'RMIS (Desf. all, 2. p. 78. t. 151.) longer fila- 

 ments furnished with a tooth ; pods awnless ; leaves lyrate, sca- 

 brous, terminal lobe kidney-shaped. $ . H. Native of the 

 north of Africa in fissures of rocks, nearTlemsen. Pods fleshy. 

 Very like C. HispAnica. Herb hispid. 



Reniform-lobed Sea-kale. Fl. Ju. Jul. Clt. 1820. PI. 2 to 3 ft. 



12 C. FILIFO'BMIS (Jacq. coll. suppl. 120. icon. rar. 3. t. 504.) 

 longer filaments almost toothless ; pods awnless ; leaves pin- 

 nately-lyrate, hairy, terminal lobe ovate. $ . H. Native of 

 Patagonia at Champion River. Rapistrum filiforme, Mcench. 

 suppl. 69. Ovary slender, 2-jointed, lower joint terete, longest. 



Filiform Sea-kale. Fl. July, Aug. Clt. 1796. PL 1 to 2 feet. 



SECT. III. DENDROCRA'MBE (from StvSpov, dendron, a tree, and 

 Kpa/4/3>], crambe, Sea-kale ; because of the plants being shrubby.) 

 D. C. syst. 2. p. 656. prod. 1. p. 226. Lower joint of silicic 

 short, filiform. Stigma seated upon a short style. Stems shrubby. 



13 C. FRUTICOSA (Lin. fil. suppl. 299.) longer filaments 

 toothed on one side ; pods mucronate with the style ; leaves 

 fyrately-pinnatifid, toothed, hoary ; stem shrubby. Ij G. Na- 

 tive of Madeira on the highest rocks near Pico de Ranxo. D. C. 

 syst. 2. p. 656. A small stiff hoary shrub. 



Shrubby Sea-kale. Fl. May, Nov. Clt. 1777. Sh. 2 feet. 



14 C; STRIGOSA (Lher. stirp. 1. p. 151. t. 72.) filaments tooth- 

 less ; pods mucronate ; leaves ovate, toothed, unequal and some- 

 what auricled at the base, and are hispid, as well as shrubby 

 stem. T; . G. Native of Canary Islands ; inTeneriffe in humid 

 places. Myagrum arborescens, Jacq. coll. 1. p. 39. icon. rar. 

 t. 120. C. fruticosa, Murr. syst. veg. 498. exclusive of synonym 

 of Lin. fil. C scabra, Lam. diet. 2. p. 163. 



Var. ft, glabrata (D. C. syst. 2. p. 657.) leaves almost smooth, 

 with a few scaly dots. 



Strigose Sea-kale. Fl. May, June. Clt. 1779. Sh. 1| foot. 



Cult. The hardy perennial species may be either increased 

 by dividing at the roots or by seeds, but the latter mode is pre- 

 ferable ; they will grow in any kind of soil, but those species 

 used for culinary purposes should be grown in a rich light soil. 

 The annual and biennial kinds only require to be sown in the 

 open ground. The shrubby green-house kinds may either be 

 increased by seeds or by cuttings, which should be planted under a 

 hand-glass. A mixtureof sand, loam, andpeat, suits these last well. 



XCIX. RAPI'STRUM (rapa, the rape; resemblance.) 

 Boerh. ludg. 406. D. C. syst. 2. p. 430. prod. 1. p. 227. 



LIN. SYST. Tetradynamia , Siliqubsa. Silicic 2-jointed ; lower 

 joint ovate, rough, with a solitary seed in each cell, the 

 seed in the upper joint erect, that in the lower one pendu- 

 lous. Cotyledons oblong, folded together. Annual or peren- 

 nial, branched, pubescent or villous herbs. Leaves not fleshy, 

 lower ones stalked, pinnatifid or somewhat lyrate ; upper ones 

 oblong toothed. Racemes elongated, somewhat panicled ; pedi- 

 cels filiform, strictly erect. Flowers yellow. 



1 R. PERE'NNE (Berg. phyt. icon. Desv. journ. bot. 3. p. 

 160.) pods smooth, upper joint ovate, longer than the style; 

 leaves pinnatifid ; lobes deeply-toothed, acute. 7/ . H. Native 

 of fields in the east of France, Switzerland, Piedmont, Germany, 

 Austria, and Transylvania. Myagrum perenne, Lin. spec. 893. 

 Jacq. aust. t. 414. Rapistrum diffusum, Crantz. cruc. p. 105. 

 Myagrum biarticulatum, Crantz. aust. p. 6. Myagrum perenne 



var. a, Lam. fl. fr. 2. p. 482. Schranckia divaricata, Mcench. 

 suppl. 86. Cakile perennis, Lher. diss. cak. ined. p. 6. Bu- 

 nias perennis, Smith, prod. fl. graec. 2. p. 2. Stem diffusely 

 branched, somewhat hispid at the base. Flowers small. 



Perennial Rapistrum. Fl. July. Clt. 1789. PI. 1 to 1^ foot. 



2 R. RUGO'SUM (Berg. phyt. 3. p. 171. icone. All. ped. 

 no. 940. t. 78.) pods pubescent ; upper joint globose, rough, 

 shorter than the style ; leaves blunt, toothed, radical ones some- 

 what lyrate. O- H. Native throughout middle and south 

 Europe in cultivated fields and sandy places. Myagrum rugo- 

 sum, Lin. spec. 893. Myagrum perenne, Scop. earn. ed. 2. 

 no. 795. Schranckia rugosa, Medik. in Ust. new. ann. 2. p. 

 39. Cakile rugosa, Lher. diss. cak. ined. p. 7. Flowers a little 

 smaller than those of R. perenne, of a deep yellow. 



Var. ft, stylosum (D. C. syst. 2. p. 432.) leaves almost all ra- 

 dical, cauline ones very few and very small ; pods villose, with 

 a long style, and with the lower joint often abortive. Cakile 

 rugosa, var. stylosa. D. C. fl. fr. suppl. p. 598. Native of 

 Occitania and the south of Provence. 



Far. y, venbsum (D. C. syst. 1. c.) younger pods villose, 

 adult ones smooth, upper joint much wrinkled and furrowed, 

 lower one very rarely abortive. Myagrum venosum, Pers. 

 ench. 2. p. 183. Native about Tolosa and Genoa. 



Wrinkled-podded Rapistrum. Fl. April, July. PI. 1 foot. 



f Species not sufficiently known. 



3 Rt ORIENTA'LE (D. C. syst. 2. p. 433.) pods furrowed, 

 smooth ; leaves oblong, toothed, sinuate. O. H. Native of 

 the Levant. In Melos in corn-fields, also in Crete. Myagrum 

 orientale, Lin. spec. 893. Schranckia sulcata, Mcench. suppl. 

 87. Cakile orientalis, Lher. diss. cak. ined. p. 7. Bunias ra- 

 phanifolia, Smith, fl. grsec. t. 612. Leaves scabrous. 



Oriental Rapistrum. Fl. July. Clt. 1795. PL 1 foot. 



4 R. CLAVA'TDM (D. C. syst. 2. p. 433.) pods smooth, upper 

 joint globose, rough, bearing the style, lower one smooth, some- 

 what cylindrical, longer than the pedicel. Q. H. Native of 

 Syria and near Tripoli. Cakile clavata, Spreng. syst. 2. p. 852. 

 The whole plant smooth. Lower leaves hastate. 



Clubbed-podded Rapistrum. Fl. June, July. PI. 1 foot. 



5 R. COSTA V TUM (D. C. syst. 2. p. 434.) pods smooth, upper 

 joint ovate, ribbed, ending in a conical acumen, lower one 

 smooth, obconical, somewhat shorter than the pedicel. 3? O? H. 

 Native of the Levant at Tyra. Myagrum rugosum ft, Bieb. fl. 

 taur. 86. ? Myagrum perenne, Stev. in litt. Perhaps R. 

 orientale. Style conical, thick, short 



Ribbed-podded Rapistrum. Fl. June, July. PL 1 foot. 



Cult. These plants are not worth cultivating except in bota- 

 nical gardens. The perennial species may be either increased 

 by dividing the plants at the root or by seeds. The seeds of the 

 annual kinds only require to be sown in the open ground. 



C. DIDE'SMUS (from Sis, dis, twice, and de<r/j.of, dcsmos, 

 a chain, because of the pod being of two joints, like two links of a 

 chain). Desv. journ. bot. 3. p. 160. t. 25. f. 11. D. C. syst. 2. 

 p. 657. prod. 1. p. 227. 



LIN. SYST. Tetradynamia, Siliqubsa. Silicle 2-jointed, both 

 joints 1 or 2-seeded, lower one truncate at the end, upper one 

 bearing the style. Seeds pendulous in the cells. Smooth, 

 annual, erect, branched herbs, some of them resembling Cakile 

 and others Raphanus. Lower leaves stalked, pinnatifid, or 

 lyrate. Racemes elongated ; pedicels bractless, filiform, or 

 thickening after flowering. Flower white or yellow ? 



1 D. JEGY'PTIUS (Desv. 1. c.) lower leaves elliptical or pin- 



natifidly-lyrate ; upper ones oblong, somewhat toothed. O-H. 



Native of Egypt and the island of Cyprus. Deless. icon. sel. 2. 



t. 92. Myagrum ^Egy'ptium, Lin. spec. 895. Cakile 



Ll 2 



