APPENDIX. 



[No. VII. 



raro rhomboidea, acuta, in petiolum ipsa lamina- sesquilongiorem attenuata, utrinque pube stellata adpressa 

 dense tecta, supra flavescenti-viridia subtus canescentia. Caules patentes aut ascendentes, firmi, pal- 

 mares simplices, erubescentes, teretes, pilis stellatis vestiti foliisque paucis magis aut minus linearibus, nunc 

 sessilibus nunc in petiolum attenuatis instructi. Racemi terminales. Pedicelli flores longitudine sequantes. 

 Puhescentia calycis pedicellorumque ut in foliis. Petala flava obovata in unguem attenuata, calyce 

 sesquilongiora. Stamina edentula. Stylus filiformis, stigmate capitato. Germen pilosum. Siliculam ma- 

 turam non vidi. Floret Maio. 



Hab. On the sandy plains of the Saskatchawan. 



253. Draba alpina : Decand. Syst. ii. p. 338. Wahl. Fl. Lapp. p. 173. t. xi. 

 f. 4. (B.) 



254. D. muricella: Decand. Syst, ii. p. 340. Brown. App. Ross's Voyage. (B.) 



255. D. hirta a inferalpina : Wahl. Fl. Lapp. p. 175. t. xi. f. 3. Decand. ii. 

 p. 340. (B.) 



256. D. glabella : Pursh. ii. p. 434. (B.) 



257. D. lutea/3. longipes ? Decand. Syst. ii. p. 351. (W.) 



258. Capsella bursa pastoris : Decand. Syst. ii. p. 383. (W.) 



Notorhizece. Decand. 



259. Sisymbrium canescens ? Decand. Syst. p. 475? Nuttall. Gen. Am. ii. 

 p. 68. ? (W.) 



260. S. brachycarpon : foliis bipinnatisectis : lobis obtusis integris vel parciter 

 incisis, petalis calyce majoribus, siliquis linearibus sub-tetragon is pedicello bre- 

 vioribus. (W.) 



Facies S. Sopliiae, at facile distinguitur siliquis duplo brevioribus. Caulis bipedalis, simplex aut superne 

 corymboso-ramosus, glandulis parvis pedicellatis munitus. Folia pinnata, pinnis pinnatifidis, lobis oblongis 

 lanceolatisve, extimis majoribus, glabra aut pube glandulosa munita. Petala obovata, pallide flava, calycem 

 saturatius flavum paulo superantia. Siliqua erectiuscula, pedicello patenti brevior vel interdum fere sequalis, 

 teretiuscula sed propter lineam elevatam in axi valvularum subtetragona, stigmate orbiculato terminata, 

 4 lineas longa, lineam lata. 



261. S. Sophia? Var. Decand Syst. ii. p. 474? (B.) 

 Lobis foliorum latioribus obtusis et notis aliis forsan species diversa ? 



262. Erysimum cheiranthoides : Decand. Syst. i. p. 498. Pursh. ii. p. 436. (C.) 



263. Lepidium ruderale : Decand. Syst. ii. p. 540. (H.) 



MONADELPHIA. 



264. Geranium Carolinianum ? Willd. iii. p. 711. Pursh. ii. p. 44®. (W.) 



DIADELPHIA. 



265. Corydalis glauca : Pursh. ii. p. 463. (W.) 



266. C. aurea : Pursh. ii. p. 463. (W.) 



267. Polygala paucifolia : Willd. iii. p. 880. Pursh. ii. p. 464. (S.) 



268. P. Senega: Willd. iii. p. 894. Pursh. iii. p. 464. (H. W. B.) 



