74 CRUciFER.fc, (MUSTARD FAMILY.) 



21.' SENEBIERA, DC. WAKT-CRESS. SWINE-CRESS. 



Pod flattened contrary to the narrow partition ; the two cells indehiscent 

 and falling away at maturity from the partition as closed nutlets, stn>iii:lv 

 wrinkled or tuberculate, 1 -seeded. Cotyledons narrow and ineumbcntlv folded 

 transversely. Low and diffuse or prostrate annuals or biennials, with minute 

 whitish flowers. Stamens often only '2. (Dedicated to J. Senebier, a distin- 

 guished vegetable physiologist.) 



S. i)f DYMA, Pers. Leaves 1 - 2-pinnately parted ; pods notched at tic npcr, 

 rough-wrinkled. Waste places, at ports, E. Mass, to Ya , etc. ; an immigrant 

 from farther south. 



S. COISONOITS, DC. Leaves less divided, with narrower lobes; pods not 

 note/ted at lh< n/if.r, tnl,ci-i\ t -d. At ports, K. 1. to Va., etc. (Adv. from Eu.) 



22. CAKILE, Tourn. Si:.\-Pux KTT. 



Pod short, 2-jointed across, fleshy, the upper joint separating at maturity; 

 each indehiscent, 1 -celled and 1 -seeded, < r the lo\\er somclimes seedless. Seed 

 erect in the upper, suspended in the lower joint. Cotyledons ohliijnelv accum- 

 bent. Seaside fleshy annuals. Flowers purplish. (An old Arabic name.) 



1. C. Americana, \utt. (A^n I:K AN SKA-UOCKET.) Lea\ i s oliovate, 

 sinuate and toothed; lower joint of the fruit obovoid, emarginate ; the upper 

 ovate, flattish at the apex. Coast of the Northern States and of the Creat 

 Lakes. July -Sept. Joints nearly even and fleshy when fresh; the upper 

 one 4-angled and appearing more beaked when dry. 



23. RAPHANUS, Tourn. I? A DISH. 



Pods linear or oblong, tapering upward, indehiscent, s< reral seeded, contin- 

 nous and sponn'v \\itliin le; \\een the seeds, or necklace-form by constriction 

 between the seeds, with no proper partition. St\le long. Seeds spbrricnl and 

 cotyledons coiiduplicate, as in Brassiea. Annuals or biennials. ('1 he an 

 cient (ireek name from pa, (jnii-kltj, and Qaivu, (<> appear, alluding to the 

 rapid germination.) 



B. RAPHANISTKI M, L. (\V~ILD RADISH. JOINTED OIIAHI.OCK.) Pods 

 necklace-form, long-beaked , leavr-s lyre-sliaped, rough ; petals yellow, turning 

 whitish or purplish, veiny. A troublesome weed in fields, K. Mew Kng. to 

 Penn. (Adv. from Eu.) 



ORDER 11. CAPPARIDACE^. (CAPER FAMILY.) 



Herbs (when in northern regions), u-itlt cruciform flowers, but C or more 

 not tetradynamoits stamens, a l-celled pod irilh '2 parietal placentae, and 

 kidney-shaped seeds. Pod as in Crucifene, but with no partition; seeds 

 similar, but the embryo coiled rather than folded. Leaves alternate, 

 mostly palmately compound. Often with the acrid or pungent qualities 

 of Cruciferae (as in capers, the flower-buds of Capparis spinosa). 



1 Polanisia. Stamens 8 or in ore Pod many-seeded, not or scarcely stipitate. 



2. Cleome. Stamens 0. Pud linear, many-seeded, lon^-stipitate. 



3. Cleomella. Stamens G. Foil very short, rhomboidal, few-seeded, long-stipitate. 



1. POLANISIA, Raf. 



Petals with claws, notched at the apex. Stamens 8-32, unequal. Recep- 

 tacle not elongated, bearing a gland behind the base of the ovary. Pod linear 



