10 APPENDIX. 



zantibusinconspieuis, glaberrima: petiolis folio 4-5-ies longioribus, linearibus membranaceis, 

 albicantibus, ad vers us lucem trinerviis; caulina radicalibus conformia, inferiora brevi pe- 

 tiokta, superiora subsessilia. Corymbi 7-10-flori, densi, folio florali sessili saepe subtensi, cse- 

 terum cbracteati. Calyx glaber, sepalis a?qualibus, ovatis, obtusis, modice concavis, trinerviis, 

 extra medium purpurascentibus, insertione parum inaxjualibus. Petala alba, calyce sesquilon- 

 giora, ungues breves, lamince obovata?, (vel ex ovali obovatae) obtusse, integerrimse, plana? 

 obsolete uninervia?, vix manifcste venosa?. Glandulce receptaculi quatuor, per paria approxi- 

 matae, latera nlamentorum breviorum stipantes, parvae. Stamina tetradynama. Filamcnta 

 subulata, glabra, edentula, duo lateralia paulo breviora basi aversa (acie nee superficie plana 

 ovarium spectanti.) Anlheree uniformed, ovato-subrotunda?, incumbentes, infra medium affixa? 

 loculis parallelo-contiguis, longitudinaliter dehiscentibus. Pollen flavum, sphfericum, simplex 

 quantum observare potui per lentem centies augentem. Ovarium sessile, glabrum oblon^o- 

 ovatum, iiiiiJ<K-ul;u'<-, pla ciiti.s duabus parietalibus polyspermia. Stylus brevissimis vix mani- 

 festos. Stigma capitatum, indivisum v. scmibilobum, stylo vix amplius. Siliqua (siliculosrc) 

 racem«,sa., erect**?, linear!- lanceolate, ancipites, glabemmat, vix triliiiearcs, stigmate obtuso 

 indivi.so subsessili apiculafce. Valvce. carinatce, carina nianifesta, venis immersis, cortice demum 

 ad margines solubili, in disco aretius adherenti ; replum cortice pariter separabili. Dissepi- 

 mentum, praeter basin apicemque ubi sspius completum, plerumque margo perangustus ad 

 ""'"""I 1 "' ktus CU J I[S Processus membranaceus angustior e quo ftmiculi umbilicales brevissimi 

 ohh.s, <-r,,i papill.-efonnes orti. Seniina immarginata, fusca, Icevia. Cotyledom,s incum- 

 bentes, Imcari-ohlonga., pluno-convexiusculae, basi attenuata brevi in crure radicular! sita 



Ohs. This .species is named in honour of Mr. Edwards, Surgeon of the Hecla, from 

 whose eMc.Mve and well-preserved herbarium I have derived great assistance in drawing 

 I'dw'mls re found ' '" ' ' ' ' P I s ^ M s 1 qua- of Eutrema 



BXPLICATIO 'i'Aiiri,.'K-A. 



|.:.-t..k«, E»WAR D .I, -1. Pkntaft^ et If. fructifem ; utraque magnitude natu- 

 ral,. S«,„,„ ,s m^nUu.hn, a,,,,; S. flos integer; .<). petalum; 4. flos pctalis orbatus ; 



■' ' ,"" _«'" l "'l«'...r:.l>e.s); (J. st:mmiil , t J)isti || uln j Ilt ,,, mm . ntis noraJibus . miJsis . y 



slanu-M longu.s; H ,,amcu brevius ; 9. pollen ad aug.nenUm, 200 ; 10. pistillum receptaculo 



■ nsu.ens a h.e.e VIMllm , . ■ lem ^ aM ,^ . ^ ^ 



nl-n, v„lv,s „v„.s lh: M, .nstdkun a latere visum; 15. idem valvis avulsis; 16. p^ 



' : ' LlU " V X ' • ''°- -■«'»» vhIvw orbata; 21. eadem dnplo auc.iu,; - L,n ■ <>, 



idem transverse sectjim; 84. idem longitudinaliter sectum; 25. embryo. 



I'AMIYA. 

 Cha». G«. ^„ lato-linearis, „** vcmnfc. fttffe, biseriata, testes cpidermide 



