CRUCIFER^l. III. NASTURTIUM. 



157 



pinnatifidly-toothed, smoothish ; pods shorter than the pedicel. 

 O- H. Native of Mauritania in sandy places near Cafsa. Si- 

 sy'mbrium ceratophyllum, Desf. atl. 2. p. 82. t. 154. Flowers 

 yellow ; petals entire, one half longer than the calyx. 



Horn-leaved Nasturtium or Water Radish. Fl. June, July. 

 Clt. 1820. PI. | foot. 



UN. CORONOPIFO'LIUM (D. C. syst. 2. p. 194.) leaves lanceo- 

 late, pinnatifidly-toothed, pubescent ; stem almost naked, ascen- 

 dant ; pods linear, incurved, length of the pedicels. O- H. 

 Native of North Africa in a sandy desert near Cafsa. Sisym- 

 brium coronopifolium, Desf. atl. 2. p. 82. t. 154. Stems tufted. 

 Lower leaves almost like those of Plantago coronopus. Flowers 

 yellow. 



Buckhorn-leaved Nasturtium or Water Radish. Fl. winter ; 

 in England in July, Sept. Clt. 1820. PI. foot. 



12 N. BURSIFO LIUM (D. C. syst. 2. p. 194.) leaves villous, 

 radical ones pinnatifid, stem ones sagittate, entire, acuminated ; 

 stems erect, and are as well as pedicels hispid. () H. Native 

 of Kamtschatka. Sisymbrium bursifolium, Patr. ined. Root 

 simple, perpendicular. Petals larger than the calyx, pale yellow. 



Shepherd's-purse-leaved Nasturtium or Water Radish. Fl. 

 June, Aug. Clt.^1818. PI. J foot. 



13 N. SAGITTA'TUM(R. Br. inhort. kew. ed. 2. vol. 4. p. 111.) 

 pubescent ; radical leaves dentately-runcinate, stem ones sagit- 

 tate, oblong, blunt ; stems erect, branching from the base ; pods 

 deflexed. If.. H. Native of Siberia at the Caspian sea. Si- 

 sjmbrium. molle. Jacq. icon. rar. 1. t. 122. Sisymbrium sagit- 

 tiltum, Ait. hort. kew, ed. 1 . vol. 2. p. 390. Flowers pale yellow. 



^rron'-leaved Nasturtium or Water Radish. Fl. May, June. 

 Clt. 1 780. PI. | to 1 foot. 



14 N. GLAUCOPHY'LLUM (D. C. syst. 2. p. 195.) very smooth ; 

 radical leaves stalked, obovately-orbicular, crenate, leathery ; 

 upper ones linear, scale-like. If. ? H. Native of Persia near 

 Teheran. Deless. icon. sel. 2. t. 14. Stems slender. A very 

 distinct species from the whole. Perhaps it belongs to section 

 Clandestinaria. Flowers yellow. 



Glaucous-leaved Nasturtium or Water Radish. PI. 1 foot. 



15 N. LIPPIZE'NSE (D. C. syst. 2. p. 195.) radical leaves 

 stalked, obovate, toothed, or somewhat lyrate, upper ones pin- 

 nate-parted ; lobes linear, entire ; pods linear, declinate. 7f . H. 

 Native of Croatia, Dalmatia, Carinthia, Hungary, about Lippa, 

 and about Constantinople, &c., in rocky places, Sisymbrium Lip- 

 pizense, Wulf. in Jacq. coll. 2. p. 161. icon. rar. 3, t. 505. Si- 

 symbrium sylvestre, var. ft, Willd. spec. 3. p. 490. An inter- 

 mediate species between N. Pyrenaicum and N. sylvestre. 

 Flowers yellow. 



Lippa Nasturtium or Water Radish. Fl. May, June. Clt. 

 1820. PI. | foot. 



16 N. PYRENA'ICUM (R. Br. inhort. kew, ed. 2. vol. 4. p. 110.) 

 radical leaves stalked, obovate or lyrate, stem ones stem-clasp- 

 ing, pinnate-parted ; lobes linear, entire ; pods oval, pointed with 

 the style. Tf. . H. Native of Spain and the Pyrenees and many 

 other parts of the south of Europe, in dry hilly or mountainous 

 pastures or in the fissures of rocks. Sisymbrium Pyrenaicum, 

 Lin. spec. 917. Brachylobos Pyrenaicus, All. ped. no. 1013. 

 t. 18. f. 1. Myagrum Pyrenaicum, Lam. diet. 1. p. 571. Le- 

 pidium stylosum, Pers. ench. 2. p. 187. Root creeping. Flowers 

 small, yellow. 



Var. ft, Brachylobos Domingensis, Desf. jour. 1814. vol. 3. 

 p. 183. Sisymbrium Domingense, Poir. suppl. 5. p. 161. "%.. 

 Native of St. Domingo. 



Pyrenean Nasturtium or Water Radish. Fl. May, June. 

 Clt. 1775. PI. | to 1 foot. 



17 N. AMPHI'BIUM (R. Br. inhort. kew, ed. 2. vol. 4. p. 110.) 

 leaves oblong-lanceolate, lyrately-pinnatifid or serrated; root 

 fibrous ; petals larger than the calyx ; pods ellipsoid, pointed 



with the style. If.. H. Native nearly throughout the whole 

 of Europe, also in North America and Japan in rivers and ditches 

 and places about their banks not constantly overflowed ; plentiful 

 in' Britain. Sisymbrium amphibium, Lin. spec. 917. Smith, 

 engl. bot. t. 1840. Sisym. Roipra, Scop. earn. ed. 2. no. 823. 

 Camelma aquatica, Brot. fl. lus. 1. p. 564. Sisymb.' diversi- 

 fblium, Stok. bot. mat. med. 3. p. 450. Root not creeping. 

 Flowers small, bright yellow. 



Var. a, indivisum (D. C. syst. 2. p. 197.) leaves all somewhat 

 entire or serrated, not, or scarcely auricled at the base. Sisym- 

 brium aquaticum, Gars. fig. t. 549. 



Var. ft, variifolium (D. C. syst. 1. c.) some of the leaves are 

 serrated, others pectinately pinnatifid, and others are capilla- 

 ceously-multifid. Bauh. hist. 2. p. 867. f. 2. 



Var. y, auriculatum (D. C. syst. 1. c.) leaves undivided, 

 eared at the base. Sisymbrium stoloniferum, Presl. fl. cech. 

 p. 137. 



Amphibious Yellow Cress or Great Water Radish. Fl. June, 

 Aug. Britain. PI. aquatic. 



18 N. NA'TANS (D. C. syst. 2. p. 198.) emersed leaves lan- 

 ceolate, entire, or serrated, immersed ones bi-tripinnatifid, with 

 capillary segments; pods obovate, length of style. Tf..H. Native 

 of Siberia in stagnant, saltish water at the river Alei, also of 

 North America in water in Canada about Montreal. Deless. 

 icon. sel. 2. t. 15. Myagrum natans, Patr. ined. Flowers 

 smaller than those of N. amphibium, pale yellow, or almost white. 



Floating Yellow Cress or Water Radish. Fl. June, Aug. 

 Clt. 1826. PI. floating. 



19 N. HETEROPHY'LLUM (D. Don, prod. fl. nep. p. 202.) 

 smooth ; stem angular, a little branched ; leaves toothletted, 

 obovate, or rhomboid, entire, or somewhat lyrate, lower ones 

 stalked, upper ones sessile ; siliques almost cylindrical, elon- 

 gated, straight. O- H. Native of Java and Nipaul. Flowers 

 small, white. 



Variable -leaved Nasturtium. PL i foot. 



20 N. SPA'RSUM (D. Don, prod. fl. nep. p. 202.) leaves pin- 

 nate ; leaflets oval-oblong, obtuse, deeply serrated, pubescent, 

 mucronulate ; corymbs few-flowered ; siliques terete, twice the 

 length of the pedicels ; stem erect, branched. Q. H. Native 

 of Nipaul. 



Scattered Nasturtium. PI. foot. 



SECT. III. CLANDESTINA'RIA (from clandestine, hidden, 

 secret ; in allusion to the small, hardly evident petals, as well 

 as from the species being imperfectly known). D. C. syst. 2. 

 p. 198. prod. 1. p. 139. Petals none, or very small, and white. 

 Pods somewhat cylindrical. A doubtful section. The generic 

 characters of the species are not sufficiently known. Perhaps 

 some of them belong to Sisymbrium, others to A'rabis. 



21 N. BENGHALJE'NSE (D. C. syst. 2. p. 198.) leaves obo- 

 vately-cuneated, toothed at the apex; pods somewhat cylin- 

 drical and rather turgid ; pedicels a little shorter than the pods, 

 furnished with bracteas. Q ? H. Native of Bengal, Sinapis 

 Benghalensis, Roxb. ined. This species and the following are 

 allied to Kibera, the IVth section of Sisymbrium in the dispo- 

 sition of their flowers, but differ essentially in the short pods 

 and accumbent cotyledons. Petals small, white. 



Bengal Nasturtium. Fl. in summer. Clt. 1820. PI. 1 foot. 



22 N. DIFFU'SUM (D. C. prod. 1. p. 139.) leaves smooth, 

 stalked, oval-oblong, toothed, lower ones somewhat pinnatifid ; 

 pods cylindrical, 3-times longer than the pedicels, distinct from 

 the style ; some of the pedicels are furnished with bracteas, 

 some are naked. 0. H. Native of Java. Stems many, dif- 

 fuse. Pedicels 3 lines long. Petals small, white. 



Diffuse Nasturtium. PI. 1 foot. 



23 N. MICROSPER'MUM (D. C. syst. 2. p. 199.) leaves smooth, 



