— lOS — 



Geramœ, Flores niajusculi ; calyx corolli alba , (jetai is spathiilatis. Siliqiia* 



iLTctes, graciles, ai)gustissim;e, à cent, loiigap, pedicello fjnadniplo longinrcs, pedi- 

 cello oblique v. incurvo rcctius insidenles, roslro l)ievt, sligrnate sessili obscure 

 bilobo, valvis 3 nervis, nervo medio magis prominulo, dissepimento foveolato, opaciore, 

 e cellulari elongalis constante quarum parieles recti, ita incrassati ni cava celhila fere 

 impleatur. Setnina 



Giescit in imperio mesicano, in monlibus inler Ltmpic et Leone Sp/'iiii/ (Wright), et 

 in valle infra El Paso, circa decem inillia ab ainne Nio Grande (Wright exsir:c. n. 9). 

 — T. sp. in herb. Mus. paris, et UC. 



Var. p. Folia minus nietnbranacea, siliqois breviorrbus (Asa Gray) ad San Antuntu du 

 las Alanzanes (Gregg. exsicc. nn. 428 el 367). 



Sect. X. Tl'rritopsis. 



Herbœ elat«, annua; v. biennes, aniericanœ. Folia Integra, dentata. Pedicelli lecli, 

 patuli. Flores albi v. luiei. Siliquse elongatœ, teretes, rigidœ, valvis herhaceis. Funiculi 

 ita densi ut primo a<Isi)ectu ab ortii bifidi videanlur. Semiiia ininiiiia. numerosissiiiia, 

 biordinata. 



78. s. polyspermiiiii H. Sp. 



Planta biennis, pilis longis simplicibus conspersa. Caulis a basi ramosus, 2.>-65 cent, 

 altus, villosus, basi liirtus, cylindricus, slriatus. Folia inferiora rosulala, nunierosa, cau- 

 liaa sparsa, lanceolata, dentata, basi cordato-aurindnta, iiiarginibus et ad nervos pilosa. 

 Pedicelli floribus breviores v. ul maxime fequilongi, niaturis friiclibns etiain filiformes, 

 apice incrassati, .3-6""" longi. Gemmas cylindrico-ovatEe. Flores parvi. Calyx clausus, 

 sepalis latis, ovalibus, crassioribns, margine membranaceis; CGrolla calycem vix snpe- 

 rans, stamina aequans, pelalis lincari-obovatis, limbo in ungueni liinbo a>([uilongum pau- 

 lalim desinente ; siliquœ plano-compressa;, erecto-appressas, 15""° longaj, glabrescentes, 

 rostro brevi, stigmate lato, orbiculari, in médium fisso, valvis plano-concavis, uninervis, 

 dissepimento translucido, lateraliter corrugato, e cellulis constante qiiariiin parietes 

 imdulati, teiiuiter incrassati sunt, et intor se non arcte cohœrent, .ineatibus interceilu- 

 laribus sse;)e interposiiis. Semina niinima, biordinata, numerosissima, Sfi in unaquaipie 

 placenta ulriusque loculi, funienlisadeo coHgestis ut saepe ab ortu in duos ramos dividi 

 \ideantur. 



Crescit il) imperio mexicauo, iii provincia Sff/t Lnkde Potou (Virlel dWoust ftWf'cc. 

 w. .570). 



