CRUCIFER^:. LXX. LEPIDRM. 



219 



Thlaspi spinosum, Poir. diet. 7. p. 545. Thlaspi bispinosum, 

 Horn. hort. hafn. 2. p. 604. Herb smooth, erect, branched ; 

 lower cauline leaves irregularly-lobed, upper ones linear-lanceo- 

 late, entire. Flowers small. Margins of sepals white. 



Spiny-yodded Mithridate Pepperwort. Fl. April, Sep. Clt. 

 1787. PL 1ft. 



SECT. VI. DILE'PTIUM (a name given by Rafinsque, the 

 meaning of which is not explained by him.) D. C. syst. 2. p. 

 538. prod. 1. p. 205. Silicle almost elliptical, somewhat 

 emarginate at the top, with keeled wingless valves. Style very 

 short. Flowers very small, sometimes 2 or 4-androus, rarely 

 apetalous. 



10 L. VIRGI'NICUM (Lin. spec. 900.) pods orbicular, emar- 

 ginate, shorter than the pedicels ; flowers with 2 or 4 stamens ; 

 cauline leaves linear lanceolate, deeply serrated, smooth. . H. 

 Native of waste land and gravelly places in North America, 

 from New York to Carolina, also at Nootka Sound ; in Monte 

 Video, Cuba, Tobago, Jamaica, and St. Domingo. L. Iberis, 

 Schkuhr. handb. 2. p. 222. t. 180. Thlaspi Virginianum, Poir. 

 diet. 7. p. 544. L. triandra, Stok. bot. mat. med. 3. p. 426. 

 L. Pollichii, Roth. fl. germ. 2. t. 91 ? Thlaspi Virginicum, Cav. 

 prsel. no. 935. Horn. hafn. 605. Herb smooth, branched ; lower 

 leaves pinnate-lobed. Petals obovate, blunt. Seeds oval, com- 

 pressed. Cotyledons linear. 



Virginian Pepperwort. Fl. June, July. Clt. 1713. PI. 1 foot. 



17 L. SPICA TUM (Desv. journ. bot. 3. p. 164 and 178.) pods 

 orbicular, emarginate, somewhat longer than the pedicels ; leaves 

 linear, entire, smooth. 0. H. Native of the Straits of Magel- 

 lan. An erect smooth herb, very like L. Virginicum. Leaves 

 pressed to the stem. Pods as if they were imbricated. 



Spicate-podded Pepperwort. PI. to 1 foot. 



18 L. MENZI'ESII (D. C. syst. 2. p. 539.) pods orbicular, 

 somewhat emarginate ; leaves pubescent, radical ones pinnate- 

 parted, lobes cut; upper leaves linear entire. 1 ? H. Native 

 of the western coast of North America. Allied to L. Virginicum, 

 but differing in the leaves being pubescent, not smooth. Stems 

 erect, branched at the top. 



Menzies's Pepperwort. PI. 3 or 4 inches. 



19 L. SUBULA'TUM (Lin. spec. 899.) pods ovate, somewhat 

 emarginate ; leaves subulate, entire ; stem suffruticose. ^ . H. 

 Native of Spain on gypsaceous hills. Asso syn. arrag. p. 83. t. 

 6. f. 3. Thlaspi subulatum, Cav. prael. no. 935. Stems many, 

 branched, tufted, covered with fine down or smooth. Calyx white, 

 spreading. Petals obovate. 



Subulate-leaved Pepperwort. Fl. July, Aug. Clt. 1 739. PI. 

 i to | foot. 



20 L. RUDERA^IE (Lin. spec. 900.) pods ovate, emarginate, 

 spreading, shorter than the pedicels ; leaves smooth, radical ones 

 pinnate-lobed, those of the branches are linear and entire ; 

 flowers diandrous, petalless. 0. H. Native of waste grounds 

 and by way-sides throughout the whole of Europe, also in Tau- 

 ria, Siberia, and Dauria ; in New Holland but probably intro- 

 duced ; in Brasil ; in England, especially near the sea- side, in a 

 muddy or calcareous soil. At Yarmouth, Cley, and Lynn, Nor- 

 folk, plentifully ; at Truro, Cornwall, and Maiden, Essex ; below 

 Bristol ; by the side of the Severn above Worcester. CEder. fl. 

 dan. t. 184. Schkuhr. handb. 2. no. 1786. t. 180. Smith, engl. 

 bot. t. 1595. Nasturtium ruderale, Scop. earn. ed. 2. p. 801. 

 Iberis ruderalis, Crantz. austr. 21. Thlaspi ruderale, All. ped. 

 917. Senckenbergia ruderalis, Fl. wett. 2. p. 213. Thlaspi 

 tenuifblium, Lam. fl. fr. 2. p. 467. Herb smooth, erect, much 

 branched, glaucous, fetid, and pungent when bruised. 



Rubbish Pepperwort. Fl. June, July. Britain. PI. ^ to 1 ft. 



21 L. INCI'SUM (Roth. nov. cat. 1. p. 224.) pods orbiculate, 

 deeply emarginate ; flowers diandrous ; lower leaves oblong, 



lyrately pinnate-lobed, middle ones broad-lanceolate, deeply- 

 toothed, upper ones linear. . H. Native of waste land and 

 by way-sides in Siberia, Caucasus, and Tauria. Thlaspi apeta- 

 lum, Poir. diet. 7. p. 547. Very like L. ruderale, but differing 

 in the upper leaves being linear-lanceolate, broader, and a little 

 more glaucous, and in the pods being a little larger. 



Cut-leaved Pepperwort. Fl.May, Ju. Clt. 1824. PI. -J- to ft. 



22 L. HUMIFU'SUM (Requien ex Spreng. syst. app. p. 241.) 

 stem prostrate, pubescent at the top ; lower leaves lyrate, upper 

 ones sagittate, entire ; petals thrice as long as calyx ; silicles 

 smooth. ? H. Native of Corsica. 



Trailing Pepperwort. PI. trailing. 



23 L. VESICA'HIUM (Lin. spec. 898.) pods elliptical, deeply 

 emarginate ; leaves pinnate ; lobes linear ; joints of stem in- 

 flated. 0. H. Native of arid, stony, or sterile places, and on 

 old walls, in eastern Caucasus and Iberia, also of Persia ; 

 on old walls of the city of Casbin. Hill. veg. syst. 11. t. 41. 

 f. 3. Buxb. cent. 1. p. 17. t. 26. A smooth herb, with dicho- 

 tomous branches. Seeds almost oblong-triquetrous. 



Bladdery-jointed Pepperwort. Fl. April, Aug. Clt. 1820. 

 PI. 1 to 2 feet. 



24 L. ANGULOSUM (D. Urv. enum. no. 578.) pods ovate, some- 

 what emarginate ; leaves all pinnate ; segments deeply-toothed ; 

 stem very smooth, flexuous, angularly-furrowed. . H. Native 

 of waste land about the city of Theodosia. Differs from L. 

 vesicdrium in not having tumid joints, from L. perfoliatum by the 

 tipper leaves not being perfoliate. 



-dngu/ar-stemmed Pepperwort. PI. -J- to 1 foot. 



25 L. PERFOLIA'IUM (Lin. spec. 897.) pods elliptical, some- 

 what emarginate ; lower leaves stalked, pinnate, with multifid 

 lobes ; upper leaves cordate, entire, stem-clasping. . H. 

 Native of Spain, Austria, Transylvania, island of Scio, Syria, 

 Persia, Tauria, &c. in uncultivated fields. Jacq. austr. t. 346. 

 A variety of this plant, with larger fruit, was gathered near 

 Tiflis in Tauria. A smooth herb, with the stems branched at 

 the top, remarkable for the different forms of the leaves. 



Perfoliate-leaved Pepperwort. Fl. April, June. Clt. 1640. 

 PI. | to | foot. 



26 L. CAKDA'MINES (Lin. amcen. 4. p. 278.) pods oval, some- 

 what emarginate ; leaves pinnate, with ovate, entire lobes, ter- 

 minal lobe large and roundish. $ . F, Native of Spain by way- 

 sides about Madrid. Ard. specim. 1. p. 18. 1. 19. Lin. in act. 

 stockh. 1755. t. 8 and 9. Thlaspi Cardamines, Poir. diet. 7. p. 

 545. A smooth herb, with a woody root, somewhat pubescent 

 in the racemes. Stems in the spontaneous plants diffuse, ascen- 

 dant in the cultivated plants, erect. Petals obovate, hardly un- 

 quiculate. Pods and pedicels pubescent. 



Cardamon Pepperwort or Spanish Cress. Fl. June, July. 

 Clt. 1789. PL 1 to 2 feet. 



27 L. DIVARICA V TUM (Hort. kew. ed. 1. vol. 2. p. 441.) pods 

 oval, somewhat emarginate, approximate ; lower leaves pinnate- 

 parted, with divaricate acute lobes ; those of the branches linear ; 

 stem much branched. Jj . G. Native of the Cape of Good 

 Hope. Thlaspi divaricatum, Poir. diet. 7. p. 543. A smooth 

 branched pale-green shrub. 



Z>zt>ancated-branched Pepperwort. Fl. May, Aug. Clt. 1774. 

 PL If foot. 



28 L. BONARIE'NSE (Lin. spec. 901.) pods orbicular, emar- 

 ginate ; flowers diandrous ; leaves all pinnately-multifid, very 

 minutely ciliated ; stem smooth. . H. Native of Buenos 

 Ayres and about Monte Video. Thlaspi Bonariense, Poir. diet. 

 7. p. 543. T. multifidum, Poir. diet. 7. p. 545. A smooth herb, 

 with an acrid taste. Stem branched. Dill. elth. t. 286. f. 370. 



Buenos Ayrean Pepperwort. Fl. May, Ju. Clt. 1 732. PI. 2 ft. 



29 L. BIPINNATI'FIDUM (Desv. journ. bot. 3. p. 165 and 177.) 

 pods oval, emarginate ; leaves pinnate-parted, with the mid-rib 



F f 2 



