CRUOIFBRi«. 21 



,' variondy <'. incius and lobca linear. Floutn-s in a tcrmina 



...vonie. SfpaU ^. Ti'liils miicli lonui-r tlinii the scp;i!«. ' 



While. .2^. N.G.Alabama. 4-6 inches. 



Gem-s II. CARDAMINE. 



Si^iqite linear, usually deliiscinfj eia.^'ticnlly, with revolutc 

 valves ; valves nerveless. Sepals expanding at the sunirnii. 

 Seeds ovate. 



I.e. ?rATnri,ATA. Stem decumbent, slender, ijlabrous. RadiealZeatf*- 

 ■. about an inch in length, entire ; cauline one? narrow 

 .lod. F/<.»urr.« in lerniinal and axilarj' racemes. Sepals 

 hairy, oval. Fetals oblonir And ob-ovate. Siliiiue about an inch long- 

 White. ^. April. ^lountains and Mid. Dist. ot Geo. & Car. 4-6 in. 

 2. C. ViRGixicA. Stem erect glabrous. Liives alternate, pinnate, leaflets 

 vvith a singlp tooth on one or both sides. Floarrs in terminal ra- 

 :. Petals a little longer than the sepals; stigma sesLnle. Varies 

 niucu during the summer, and in different locations, so lliat any discription 

 may be inapplicable under diflcient circumstances. 



White. I^. April to June. Upper districts of Geo. Car. 4-12 inches. 

 The rtinigtfhanica of Elliott, and Virginica, are supposed to be a variety 

 of the iiirsii/a of Linnseus. 



Gexis III. NASTURTIUM. 



Silique nearly terete, sometimes resembling a silicle, usually 

 curved. Stigma ^-lobed. Sepals spreadiiiij. Seeds arranged 

 in two series, minute, destitute of margins. Found in wet pla- 

 ces. 



1. N. Otficlvale. Leaves pinnately divided ; segments ovate, sub-cor- 

 daie, repand. PttaU longer than the caly.x. 



White. Introduced. 



2. N. TAXACETiFourM Sf«m much branched, diffuse. LeatM pinnately 



-innate or toothed, obtuse, smooth. Flowers small; petals 

 * nearly sessile. Siliques erect or curved. Seeds numerous. 

 Vtiiuw. (f. South Carolina. 5-12 inches. 



3. N. PALUijT^E. i>a»€« pinnatifid,2-3 inches long, clasping and ciliate 

 at the base, lobes*contliient, UKilhed, glabrous, ol»long-!anceolate. Flowers 



all; petals equal the sepals. Stlique declined, ovate-oblong, a iiide 



\ellow. %. June to August Wet places. 1-2 feet. 

 GtNire IV. ARABIS. 



Silique linear, generally compres.sed, terminated by the se.9- 

 sile stigma, valves l-nerved. Seeds in one series, orbicular, 

 compressed. Calyx erect. 



I . .\. CA?f ADExsis. Sti-m simple, glabrous towards the summits, pubescent 



Leares al' scs.'^ilc, j)ubt=eent, cblnng-lancrolale, remotely 



the lower v late and occasionally lyraie. Flowers in Inng 



racemes. i, colored. Fetal* oblong-linear, imich lon- 



. i the sepals. ^ ..^ . ..,;i4 2-3, inciies, Hnear, curved. Siekle-jtod. 



While. '4- June. Middle Georgia. 



