No. VII.] 



LIST OF THE PLANTS. 



743 



238. P. hirsuta: Willd. iii. p. 216. Brown, Ross's Voyage. (B.) 



239. P. Nelsonii : Brown. MS. in Herb. Banks. P. verticillata. Pursh. ii. 

 p. 426. (B.) 



240. Linnsea borealis : Willd. iii. p. 340. Pursh. ii. p. 415. (W.) 



TETRADYN AMI A . 



Pleurorhizece. Decand. 



241. Nasturtium palustre: Decand. Syst. ii. p. 191. Sisymbrium palustre : 

 Pursh. ii. p. 240. (W.) 



242. Barbarea prsecox ; Decand. Syst. ii. p. 207. (W.) 



243. Braya 1 glabella : foliis linearibus plerumque remote dentatis, racemo fruc- 

 tifero laxo elongato. (B.) 



Radix fusiformis ad collum in caudices paucos breves reliquiis foliorum obtectos divisa. Folia sub- 

 radicalia fere bipollicaria erecta, e basi tenui lineare sursum lanceolatim dilatata, acuta, medium versus dentibus 

 2 vel 3 acutis ssepe instructa, utrinque concolora, glabriuscula, costa obsoletiori percursa sed venis nullis 

 transparentibus. Caules palmares ereeti costati pube bifida rarissima muniti : alii scapiformes ex ipsa radice, 

 alii e summo surculorum brevium foliosorum exsurgentes, rarius folio uno alterove radicalibus simili, 

 instructi. Racemus elongatus, pedunculis erectiusculis calyces aequantibus. Flores parvi. Lacinice caly- 

 cinee erectse, lineares, obtusae, glabrae. Petala (exsiccata) pallide purpurascentes, limbis obtusis integer- 

 rimis calycem duplo altioribus. Stylus filiformis brevis stigmate sub-capitato emarginato. Siliqua imma- 

 ture sub-erecta3 calyce persistente triplo longiores, torulosse, stylo coronatse. 



Hob. On the Copper Mountains. 



244. Tu rritis glabra : Decand. Syst. ii. p. 211. W.) 



245. Arabis sagiltata : Decand. Syst. ii. p. 221. Turritis ovata : Pursh. ii. 

 p. 438. (W.) 



246. A. hispida : Brown. Hort. Kew. iv. p. 106. A. petrsea, (3. Decand. Syst. ii. 

 p. 230. (B.) 



247. A. lyrata : Decand. Syst. ii. p. 231. Pursh. ii. p. 437. (W.) 



248. Cardamine pratensis : Decand. Syst. ii. p. 256. Pursh. ii. p. 440. (H. A. W.) 



249. C. hirsuta : Decand. Syst. ii. p. 259. (W.) 



250. C. digitata : foliis digitatim pinnatis : pinnis sessilibus linearibus integer- 

 rimis, stylo brevi vix siliqua tenuiori : stigmate capitato. (B.) 



Herba glaberrima. Folia digitatim pinnata ; inferiora petiolo longo gracili, pinnisque 7 approximatis : 

 superiora brevius petiolata pinnis paulo remotioribus : summum subsessile, pinnis 3 aut 5 ; pinnis omnibus 

 sessilibus conformibus. Caulis dodrantalis, simplex, basi repens ascendens, superne erectus sub-flexuosus. 

 Racemi erecti, multiflori. Pedicelli siliquis longiores, patentes. Flores fere magnitudine Card, pratensis. 

 Calyx flavescens. Petala obovata, calyce duplo longiora, alba vel purpureo tincta. Stylus crassiusculus 

 lineam longus, stigmate capitato. Siliquce juniores breviusculse ; maturas non vidi. 



251. Vesicaria arctica : Alyssum ? arcticum: Decand. Syst. ii. p. 324. (B.) 



252. V. arenosa: foliis inferioribus sub-rhombeis obsolete sinuato-dentatis pube 

 stellata canescentibus, caulibus teretibus basi suffruticosis, silicula pubescente. 



Radix fusiformis. Folia radicalia plurima erecta elliptica parciter obsoleteque sinuato-dentata vel non 



