CRUCIFERE. 95 



Semina in arliculi inférions loculis pendula, in arlicùio superiore erecta. Cotyledones 

 condiiplicalœ. — Flores violaceo-cœrulescentes. 



23. Erucaria. - — Siliqua biarticulata ; articulo inferiore déhiscente vcl indéhiscente, 



valvis in siliqua déhiscente in tus septuliferis , hiloculari vel abortu uniioculari loculis 

 i-6-spermis; articulo superiore apice in stylum acuminato vel atlenuato in locellos 

 î-h superpositos rnonospermos diviso. Semina in articulo inferiore pendula, in lo- 

 cellis articuli superioris erecta. Cotyledones in seminibus oblongis radiculœ subœqui- 

 longœ rectœ planiusculœ vel plus minus concavœ, in seminibus ovato-suborbiculalis 

 radicula sœpius longiores replient œ superne circinnto-corculatœ vel medio transversim 

 inflexœ plnnœ vel planiusculœ. — Flores violaceo-purpurascentes. 



TRIBUS VI. RAPHANEiE. — Siliqua longa vel abortu brevis, indehiscens, in locellos rnono- 

 spermos superpositos plures vel 2 divisa, sœpius transversim bi- vel pluriarticulata in arti- 

 culos secedens vel non secedens, interdum ad articulum unicum redacta. Cotyledones 

 conduplicalœ. Radicula in plicatura cotyledonum nidulans ( » ). 



24. ENARTunocARPus. — Siliqua longa, cylindracea vel compressa, biarticulata, articulis 



indehiscentibus ; articulo inferiore brevi in locellos 2-3 superpositos rnonospermos 

 diviso vcl monospermo aut aspermo; articulo superiore sœpius elongato in locellos 2-6 

 superpositos rnonospermos diviso. Semina in articulo inferiore pendula, in superiore 

 erecta. — Folia inleriora lyrato-pinnatipartita, superiora grosse dentata. Flores lutei 

 vel flavido-purpurascentes venosi, omnes vel saltcm inferiores bracteati. 



25. Hemicrambe. — Siliqua tenuiter membranacea, biarticulata, articulis indehiscentibus 



haud secedentibus; articulo inferiore brevissimo, compresso, monospermo semine 

 pendulo vel aspermo; articulo superiore late lineari-oblongo , elongato complanato, 

 uniioculari in locellos 3-k rarius 2 superpositos rnonospermos diviso, semine extimo 

 erecto cœteris pendulis vel uno alterove erecto; stigmate sessili. — Fruticulus glaber- 

 rimus. Folia lyrato-pinnatifida. Flores flavi, ebracteati. 



26. Raphanus. — Siliqua cylindracea, longa vel abbreviata, plus minus manifeste biarti- 



culata, articulis indehiscentibus ; articulo inferiore brevissimo aspermo sœpe obsoîeto; 

 articulo superiore oblongo-conico polyspermo suberoso-celluloso in lomenta non sece- 

 denie, vel lineari aut oblongo-lineari sœpe moniliformi coriaceo in locellos superpositos 

 rnonospermos a vel plures diviso inter locellos sœpius strangulato et articulato locellis 

 secedentibus vel non secedentibus, interdum ad locellum unicum redacto. Semina omnia 

 pendula. — Plantœ caulescentes. Flores lutei, albidi, purpurascentes vel violacei, 

 venis saturatioribus picti, omnes ebracteati. 



27. Cossoma. — Siliqua late îineari-lanceolata vel lineari aut abbreviata oblonga ovatave, 



tetragona vel compressa, crassa suberoso-coriacea , in locellos 3-io rnonospermos 

 superpositos divisa, rarius ad locellos 1-2 redacta, inter locellos articulata vel inarti- 

 . culata, pericarpio sœpius inter locellos plus minus nodoso-incrassato pseudotorulosa. 

 Semina omnia pendula. — Folia omnia radicalia. Pedicelli radicales, fructiferi ar- 

 cuato-deflexi. Flores venosi, purpurascentes vel lutei. 



TR1RUS VIL ALYSSINE^E. — Silicula oblonga , ovata vel suborbiculala, rarius siliqua lan- 

 ceolata vel linearis, septo parallèle compressa, haud articulata, dehiscens, bilocularis, semi- 

 nibus in quoque locuto 1-2 vel pluribus, valvis planis vel convexis semina non includen- 

 tibus, septo lato œquïlatis. Cotyledones plano-convexœ. Radicula commissuralis (oz). 



28. Farsetia. — Stamina exappendiculata vel minora dente aucta. Siliqua elongata linea- 



ris , aut brevis (silicula) oblonga ovata vel suborbiculala, compressa, valvis planis 



