CRUCIFERAE, 43 



4909. TKTRACME Jhigf. 

 (VVlprs. Repert. I. 171.) 

 1. T. RECCRVATA Hnge. Arlitti. des naturfurscli. VereiiKS iii Ri»a 1. 158. -J- — Folii» 

 caulinis iiiiiiiatifidis v. siiiuulo-deiilatis ; fiili(|uae iiiranae st.vlo Cdiiii.o Nuperatae cor- 

 liubus floiigalis ]>alenlissiniis v. recurvis. © — (^rescit in collilius slccis arcnosis 

 prope liakali, Agatme aJ Jaii Darja nuvium et lii arenosis Kisil-kum. 



4910/,. l>RINCiLEA Aiidcrs. 

 (Anders. inss. iii Ilook. (11. Anlnrct. voy. of Tcrror .iTid Ereltus 2.3S. t. <(0. ',11.) 

 Petala iuill:i. .Staminum filamenta brevia dilatata edentiila. Ovarium 

 obovatum. 8tylus subelonoatus. .Sti<rma capitatum. .Silicula oblonga, 

 valvis convexis navicularibus, dissepimento nullo. Semina pliirinia 

 biserialia oblonf;o -cordata, in rostrum brevc producta; testa crassa 

 subsponiiiosa alliida. Cotylcdones ac(-iimbentes. — Cenus nulli arcte, 

 affine, Kulrcnuic forma scminum dissepimcntoqiie retracto accedens, sed 

 potius Driihdc indole siliculae et structura cmbryonis relatum. Herba 

 inagiiitudine varia, jilerunKjue elata. Klii/oma elon<;;atum prostratum. 

 Folia in capitiilum maf^num con};esta. Pcdunculi infra folia ortl erecti 

 foliosi. .Siliculae pliirimae majusculac. 

 I. P. ANTISCOUnOTICA Aiid.rs. mss. in Ilook. fil. I. <•. -m. t. '.10. 91. — Radix (seu 

 rlii/.oma) prostrata longe rcpens 2 — 3-pedalis crassa, diametro 1 — '2 unc. teres, trans- 

 verse aniiulata , sublignosa , sapore Cuchlearine Armoraciiie , prai-cipue versus basiii 

 fibras crassas divisas ramosas emittcns, ad aplci;m folioruni rapiliilum mngiium sca- 

 pos(]ue 1 — 2 elongatos gerens. Folia imbricata , iii cipitulum , Hrasiicae uleraceae 

 magnitudiiie formarjue n-fiTeiis dis]iosi(a , 3 — (! iinc. longa, latissime obovato-S|iatliu- 

 lata, basi iii ])i:(iolum latum attcnuata, carnoso-coriacea coiicava, margine integerrima 

 ciliata, interdum |iubesceiitia, iii(us vasibus oleo subtilissimo re]ile(is iiercursa. Pe- 

 dunculi iiifra folia e rlii/.onia(e orti uscendentes 2— .3-p);dali-s foliosi sulcati , crassitie 

 digiti liuniaiii, intus spongiosi, foliis plurimis inibricatis late obovatis sessilibus tecti. 

 Racemus fructifer elongatus fi-uiic. ad pedalem , e silii-ulis per]iluriinis tleiise cun- 

 gestis suhclavatus. Pedicelli clava(i erec(i. Sepala ublonga obtusa , dorso pilosa. 

 Petala iiulla ! Stamiiia jiarva, niann-iilis dilatalis. .Siliculae ''4 — I iiiic. longae ob- 

 longo-laiiceolalae , vel breviter obloiigae ereclae jiubesceiUes vcl ])a(en(im ]iilosae, 

 pilis sim]ili<'ibus, rarius glabrae ; valvis coriaceis, dorso conve.\is, obscure uniiierviis ; 

 re]ili) gracili ])<'rsistente ; ]ilacentis biserialibus , e ilissepimento re(rac(<) fungusis. 

 Semiiia ])i-r])lurima majuscula I lin. longa subimbricala , e funiculo valido arcua(o 

 |>endula, ovadi-cordata subcoinpressa , deorsum in rostrum breve obtusum producta, 

 testa crassa spoiigiosa ulbida , cotyledoiiibus accumbeii(ibus , radicula mediocri aequi- 

 loiiga. — Crescit in iiisula Kcrgueleiis Land. 



Tribus VIII. CAMELIISIEAE DC. 



4919/i. SPIIAKROCARDAMIJM S. Scliuuer. 

 (S. Scbauer, Liiinaea XX. 720.) 



Calyx 4-pliyllas, phyllis patentibus, basi ac(|ualibus. Petala 4 indi- 

 visa anousta. Stamina 6 tetradynama edentiila. Silicula subylobosa, 

 leviter marginata, valvis facile secedentibus valde convexis, dorso ob- 

 scure unincrviis, septo rliacbi contrario late suborMculari integro 

 (haud fcnestratoj , stylo intci^ro in rej^lo persistcnte. Semina in <|U0- 

 vis loculo bina pendula immar^^inata laevia, funiculi brevissimi. Em- 

 bryo notorhizeus , cotyledonibus planis septo contrariis, radicula pla- 

 centae adversa. — Genus proximum CumcUiifie, fpiae vero dilfert ioculis 

 polyspermis, siliculae valvulis apice in processuin stylo inferne appli 

 catum productis, dissepimento valvulis dejectis stylo orbato. 

 l. *h. NESLIAEFORME S, Scliauer I. c. -;• — ©V (J ? — Crescit iii Mexico. 



6* 



