r)L>4 VLANT LIFE OK ALABAMA. 



Diplotaxis tenuifolla (L.) DC. Syst. 2:(iH2. 1821. Naiirow-i.eaf 8ani> Mtstari). 

 Siiiimhiium li-niiifoHinn L. Cent. I'l. 1 : 18. 17.')."). Ainoen. Ac-id. 4 : 279. 1788. 

 (iriiy. Syn. VI. N. A. 1. pt. 1 : 131. IJritt. &, Br. 111. Fl. 2 : 120. 



KriioiT.. 



i'lom tlio Huinc region, aiiil lonml in about the samo sitiialioiis aa tlie above. 



Ai AiiA.MA : l.t'ss l'n'«|iinnt tliaii the last on ballast beai»8 at Mobile. I't-ieMiiial. 

 Type localitv: " llab. iu CJallia, Italia, Helvetia." 

 Herb. .Mohi." 



lODANTHUS I'orr. A ( iray, Fl. N. A. 1 : 72. 18.38. 

 (TiiKi.vi'oDUM Wals. Index, 73. 1878.) 



A aiu};;le species, Atlantic North Aun'iica. 

 lodanthus pinnatifidus (Michx.) .Steud. Nonienc. ed. 2, 812. isll. \'ioi,kt Kocket. 



//(.syxriv itiiiiiulijida Michx. Fl. l'>or. Am. 2 : 31. 1803. 



I odd II III IIS /((«/)( ((rfoiV/es Torr. it Gray in Gray, Gen. 111. 1 : 134, t. '>4, 1848. 



(irav. Man. cd. G. 72; ("hap. Fl. 25. Gray, Syn. Fl. N. A. 1, pt. 1: 150. Engl. &. 

 I'rantl.Nat. 1*11.3. Abt. 2: 183. 



.Mlonlienian to Carolinian area. Western Pennsylvania, Ohio Valley, and Minne- 

 sota, south to Texas and Arkansas. 



Alabama: Tennessee Valley. Rich woods. Lawrence County, Moultou. Lamier- 

 dale County. Florence {M. C. Wilnon). Flowers violet, April, May; fruit rii)e in 

 .Inly. Not frequent. Perennial. 



I'ype locality: " Halt, in Inunidis sylvarum Teunassde.*' 



Herb. Geol. Surv, Herb. Mohr. 



RORIPA Scup. l"l.Carn.520. 1760. 

 (Nastuktium R. Br. in Ait. Hort. Kew. ed. 2, 4 : 10!>. 1812.) 



Fifty epecies, temperate regions. Northern Hemisphere. North America, 13. 

 Roripa nasturtium (L.) Rusby, Mem. Torr. Club, 3, pt. 3:5. 1893. Watkk Ci{ks.s. 



ydxliiiliiiin oficiiialc K. Br. in Ait. Hort. Kew. ed. 2, 4 : 110. 1812. 



Six 1/ III h rill III uiixlitrtiiiiii L. Sp. PI. 2 : 657. 1753. 



Eli. Sk. 2: 145. Grav, Man. ed. 6, 69. (.'hap. F1.25. Wats. Bot. Calif. 1:13. Coulter, 

 Coutr. Nat. Herb. 2 : 16. Gray, Syn Fl. N. A. 1, pt. 1 : 146. 



Eriioi'K, A.siA, South America (introduced). 



Allcghenian to Louisianian area. Naturalized and profusely distributed from 

 Nova Scotia and Ontario to the Gulf, west to Texas, Colorado, Utah, and California. 



Alabama: Sparin;j;ly over the State. Shallow brooks. Mobile County, Spring- 

 hill. .Jcflerson County (/•'. .1. .S/H(7/(). Flowers white; April. I'ereuuial. 



Economic uses: The fresh herb, " water cress,'' is used medicinally and as a salad. 



Type locality: "Hnb. iu Enropa et America septeutriouali ad foutes." 



1 lerb. ( Jeol. Surv. Herb. Mohr. 



Roripa sylvestris (L.) Bess. Euum. 27. 1821. Yellow Cress. 



Sini/nihriuiii niilrcatrc L. Sp. PI. 2 : 675. 1753. 



XaHtiirtium miheHtre R. Br. iu Ait. Hort. Kew. ed. 2, 4 : 110. 1812. 



Gray. Man. ed. 6, (39. Chap. Fl. ed. 3, 24. Gray, Syn. Fl. N. A. 1, i)t. 1 : 147. 



ErRoi'E, Asia. 



Carolinian and Louisianian areas. Naturalized from Massachusetts to Virginia, 

 Illinois, and Missouri. 



Alabama: Fully established -in shallow marshes and muddy ditches. Mobile. 

 Observed for the past til'teeu years, constantly spreading. Flowers deep yellow; 

 April to .[line. Fre<|uent. Perennial. 



Ty])e locality: " llab. in Helvetiae, (lermaniae, (ialliae ruderatis." 



Herb. (leol. Surv. Herb. Mohr. 



Roripa sessiliflora (Nutt.) A. S. Hitchcock, Spring Fl. Manhat. IS. 1894. 



Early P'ield Cress. 



Xaaturtium sessiUftorum Nutt. in Torr. &. Gray, Fl. 1: 73. 1838. (Gray, Gen. Illust. 

 1:132, f. 55.) 



Gray, Man. ed. 6, 70. Chap. Fl. I'l. Coulter, Coutr. Nat. Herb. 2 : 17. Gray, Syn. Fl. 

 N.A.l,pt. 1:149. 



Carolinian and Louisianian areas. Virginia and Kentucky to Missouri, south from 

 Tennessee to Florida aud western Texas. 



