148 



CRUCIFER/E. 



branous ; valves flat or concave. Seeds compressed, usually mar- 

 gined (f. 46. g. /(.) Cotyledons fiat, accumbent, parallel with 

 the dissepiment (f. 46. c. f. 45. g. d.). 



17 LUNA'RIA. Silicle stalked, elliptical or lanceolate ; valves 

 flat. Umbilical cord long, adhering to the dissepiment. Calyx 

 somewhat bisaccate at the base. Petals quite entire. Stamens 

 toothless. 



1 8 RICO'TIA. Silicle sessile, oblong, adult ones 1-celled, in 

 consequence of the dissepiment having vanished ; valves flat. 

 Calyx valvular, bigibbous at the base. Petals emarginate. 

 Stamens toothless. 



19 PARSE' TIA. Silicle sessile, oval (f. 46. g.), or oblong; 

 valves nearly flat (f. 46. g.); dissepiment 1 -nerved, veiny; seeds 

 winged (f. 46. g.) Calyx closed, hardly bisaccate at the base. 

 Petals entire. Funicle free. Filaments toothless. Anthers linear. 



20 KONI'GA. Silicle sessile, somewhat ovate, with flattish 

 valves and 1 or many-seeded cells ; funicle adnate to the base 

 of the dissepiment. Seeds usually marginate. Calyx spread- 

 ing. Petals quite entire. Filaments toothless. 



21 BERTEROA. Silicle sessile, elliptical or obovate ; valves 

 flat or concave. Calyx equal at the base. Petals 2-parted. 

 Lesser stamens toothed. 



22 AUBRIE'TIA. Silicle oblong ; valves convex. Seeds not 

 margined. Calyx bisaccate at the base. Petals entire. Lesser 

 stamens toothed. 



23 VESICA'RIA. Silicle globose, inflated ; valves hemispheri- 

 cal. Seeds numerous (beyond 8). Petals entire. 



24 SCHIWERE'CKIA. Silicle ovate ; valves convex, somewhat 

 depressed lengthwise in the middle. Seeds numerous. Calyx 

 equal at the base. Petals entire. Larger stamens toothed. 



25 ADYSE'TON. Silicle roundish, pointed with the style, with 

 compressed valves. Seeds 2 in each cell, or sometimes solitary 

 from abortion. Calyx equal at the base. Petals emarginate. 

 Stamens all or some of them toothed. 



26 ALY'SSUM. Silicle roundish, with a convex disk and a 

 retuse apex ; funicle adhering to the base of the dissepiment. 

 Seeds 2 in each cell, with membranous wings. Calyx equal at 

 the base. Petals emarginate. Stamens all or some of them toothed. 



27 ONODO'NTEA. Silicle orbicular (f. 46. /.) or elliptical ; 

 valves flat or convex in the centre, somewhat inflated (f. 46. A.). 

 Seeds 2-4 in each cell (f. 46. A.). Calyx equal at the base. 

 Stamens all toothless. 



28 Disco 1 VIUM. Silicle lenticular, wi'.h an entire dissepiment 

 and keeled valves and many-seeded cells. Style permanent ; 

 stigma blunt. Calyx closed. Cotyledons accumbent ? 



29 MENIOCUS. Silicle sessile, elliptical ; valves flat. Seeds 

 6-8 in each cell. Calyx equal. Petals entire. Larger stamens 

 toothed. 



30 CLYPE'OLA. Silicle orbicular, 1-celled, 1 -seeded; valves 

 flat. Calyx equal. Petals entire. Stamens toothed. 



31 PELTA'RIA. Silicle orbicular, 1-celled, in consequence of 

 the dissepiment having vanished, 1 (f. 46. .) or 4-seeded ; 

 valves flat. Calyx equal. Petals entire. Stamens toothless. 



32 PETROCA'LLIS. Silicle sessile, oval ; valves flattish. Seeds 

 2 in each cell. Umbilical cord adhering to the dissepiment. 



33 DRA V BA. Silicle sessile, oval or oblong (f. 46. j.) ; valves 

 flat or convex (f. 46. j.). Seeds numerous, immarginate (f. 46. 



j.). Calyx equal. Petals entire. Stamens all toothless. 



34 ERO'PHILA. Silicle oval or oblong ; valves flat. Seeds 

 numerous, immarginate. Calyx equal. Petals 2-parted. Sta- 

 mens toothless. 



35 COCHLEA V RIA. Silicle sessile, ovate-globose or oblong ; 

 valves ventricose. Seeds numerous, immarginate. Calyx equal, 

 spreading. Petals entire. Stamens toothless. 



TRIBE III. 



THLASPI'DEJE or PLEURORHI'ZE^: ANGUSTISE'PT^; (D. C. syst. 

 2. p. 248. prod. 1. p. 175.) Silicle dehiscent, with a very narrow 

 dissepiment (f. 46. k. I.) and keeled navicular valves (f. 46. k. I, 

 m. n.). Seeds oval (f. 46. 1.) sometimes margined (f. 46. .). 

 Cotyledons fiat, accumbent, contrary to the dissepiment (f. 46. k. 

 f. 45. a. d.). 



1. Cells of silicle 2 or many-seeded. 



36 THLA'SPI. Silicle emarginate at the apex (f. 46. k. I.) ; 

 valves navicular, winged on the back (f. 46. k. I.) ; cells 2 (f. 46. 

 k.) or many-seeded (f. 46. /.). 



37 HUCHI'NSIA. Silicle elliptical ; valves navicular, wingless ; 

 cells 2, rarely many-seeded. 



38 TEESDA'LIA. Silicle oval, emarginate at the apex ; valves 

 navicular ; cells ^-seeded. Stamens each furnished with a scale 

 on the outside at the base. 



39 PLATYSPE'RMUM. Silicle oblong, crowned by the short 

 thick style ; valves navicular ; cells 4-5 seeded. Seeds with a 

 broad margin. 



II. Cells of silicle l-seeded. 



40 IBE'RIS. Two outer petals largest. Silicle much com- 

 pressed, truncately emarginate. 



41 THYSANOCA'RPUS. Petals shorter than the sepals, equal. 

 Silicle much compressed, with a broad wing round the margin, 

 emarginate at the apex. 



42 BISCUTE'LLA. Silicle flat, biscutate (f. 46. m.) ; cells ad- 

 nate laterally to the axis ; style long, permanent (f. 46. m.), 

 Embryo inverted. 



43 M EGACARPJE'A. Silicle flat, biscutate ; cells adnate la- 

 terally to the axis. Style wanting. 



44 CREMO'LOBUS. Silicle flat, biscutate ; cells marginate, 

 hanging from the top of the axis. Style somewhat pyramidal. 



45 MENONVI'LLEA. Silicle somewhat stipitate, biscutate ; 

 cells (f. 46. n.) with the margin expanded into a wing, ending 

 in the parallel disk (f. 46. n.). 



TRIBE IV. 



ECLIDIE'JE or PLEURORHI'ZE.E NUCUMENTA CE.E (D. C. syst. 

 1. p. 149. prod. 1. p. 184. ). Silicle indehiscent (f. 46. </.) ; 

 valves concave, indistinct (f. 46. d.} or not separating ; dissepi- 

 ment elliptical, sometimes n'ith scarcely any trace of a dissepi- 

 ment. Seeds oval, very fen. Cotyledons flat, accumbent, parallel 

 with the dissepiment (f. 45. d. g. /<.). 



46 EUCLI'DIUM. Silicle drupaceous, ovate, with the sutures 

 manifest ; style awl-shaped (f. 46. d.). Cells l-seeded (f. 46. d.). 



