CIUCIFEKiK. (mISTAUI) FAMILY.) 69 



1. L. globbsa, Watson. Minutely hoary all over; stems sproadinp orde- 

 cuinhcnt Ironi an annual or Inennial rout; leaves ohlong or lanieolate with 

 a tapering base, repaud-toothed or nearly entire; raceme at length elongated, 

 Avith filiform diverging ju'dicehs; petals light yellow; style filiform, much 

 longer than the small globose, acutish, about 4-seeded pod; seeds marginless. 

 (Vesicaria Shortii, Torr.) — Kocky banks, Ky. to Teun. and ^lo. May, Juue. 



2. L. gracilis, Watsou. Aunual, slender ; pubescence very fine ; leaves 

 narrowly oblanceolate ; pods glabrous, suberect on asceuding.or curved jiedi- 

 cels, stijntate ; style long. (Vesicaria gracilis, Iluuk.) — S. Kan. to Tex. 



3. L. liUdovici^na, Watson. Biennial or jierennial ; pubescence com- 

 pact; leaves linear-t)l)lanceolate, mostly entire; ])o(ls j)ubcscent, jiendulous on 

 recurved pedicels; style long. (Vesicaria Lud .viciaua, DC.) — Minn, to 

 Neb. and southwestward. 



9. CAMELINA, ('rantz. Falsk Flax. 



Pod obovoid or pear-shaped, pointed, llattish parallel to the broad jsarti- 

 tion ; valves 1-nerved. Seeds numerous, oblong. Cotyledons incumlient. 

 Stvle slender. Flowers small, yellow. (Name from x«M«') ifi^'o'/, and \{vou, 

 Jiax.) 



C. SATivA, Crantz. Annual ; leaves lanceolate and arrow-shaped ; pods 

 margined, large. A Aveed in fiax-fields, etc, (Adv. from Eu.) 



10. SUBULARIA, L. Awlwout. 



Pod ovoid or gl(jl)ular, with a broad partition ; the turgid valves 1-nerved. 

 Seeds several. Cotyledons long and narrow, incumbently folded transversely, 

 i. e., the cleft extending to the radicular side of the curvature. Style none. — 

 A dwarf stemless perennial, aquatic; tlie tufted leaves awl-sha])ed (whence 

 the name). Scape naked, few-tlowered, 1 -3' higli. Flowers minute, white. 



1. S. aquatica, L. Margin of lakes in Maine; Echo Lake, Franconia, 

 N. H. ; also in alpine regions of the western mountains. June, July. (Fu.) 



11. NASTURTIUM, K.Br. Water-Cress. 



Pod a short .silKjue or a si lido, varying from oblong-linear to globular, 

 terete or nearly so ; valves strongly convex, nerveless. Seeds usually numer- 

 ous, small, turgid, marginless, in 2 irregular rows in each cell (except iu N. 

 sylvestre). Cotyledons accumbent. — Aquatic or marsh ])lants, with yellow or 

 white flowers, and commonly pinnate or pinnatifid leaves, usually glabrous. 

 (Name from Nasus tortus, a convulsed nose, alluding to the effect of its pun- 

 gent qualities.) 



§ 1. Petals Lchite, tvice the Iciir/ih of the rnli/x; pods linear; leaves pinnate. 



N". officinXle, K.Br. (Trie Water-Cress.) Perennial; stems spread- 

 ing and rooting ; Icallots 3 -11, roundisli or oblong, nearly entire ; pods (G - 8" 

 long) ascending on slender widely spreading })edicols. — Jirooks and tlitches; 

 escaped from cultivation. (Nat. from Fu.) 



§ 2. Petals yellow or yellowish, seldom much exceediufj the calyx ; pods linear, 



oblonfj, or even ovoid or (/lobular ; leaves mostly piuuatijid. 

 * Perennial J'rom creepinr/ or subterranean shoots ; Jlowers rather large, yellow. 



N. SYLVESTRE, K. Br. (Yellow Cress.) Stems ascending; leaves pin- 

 nately jjurted, the divisions toothed or cut, lanceolate or linear; pods (^' long) 



