26 APPENDIX. 



255. TuRRiTis GLABRA, Dccaud. 5?/5<. ii. p. 211. (W.) 



256. Arabis SAGiTTATA, Decand. Syst. ii. p. 221. Turritis ovata, Pursh. ii. 

 p. 438. (W.) 



257. A. HispiDA, Brown. Hort. Kew. iv. p. 106. A. petraea, /3. Decand. Syst. ii. 

 p. 230. (B.) 



258. A. LYRATA, Decand. Syst. ii. p. 231. Pursh. ii. p. 437. (W.) 



259. Cardamine pratensis, Decand. Syst. ii. p. 256. Pursh. ii. p. 440. (W.B.) 



260. C. HiRsuTA, Decand. Syst. ii. p. 259. (W.) 



261. C. uiGiTATA, foliis digitatim pinnatis: pinnis sessilibus linearibus integerri- 

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



Herba glaberriraa. Folia digitatim pinnata ; inferiora petiolo lougo gracili, pinnisque 7 approxlmatis : 

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

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

 Racemi erecti, multiflori. Pedicelli siliquis long-iores, patentes. Flores fere magnitudine Card, pratensis. 

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

 lineam longus, stigmate capitato. Siliqua juniores breviuscul* ; raaturas non vidi. 



262. C. BELLiDiFOLiA. D. C. Syst. ii. p. 249. Brown. Supp. Parry's Voy. cclxx. 

 No. 15. (B.) 



Specimens of this plant, collected on the shores of Coronation Gulf, were lost with the rest of that 

 summer's collection, in crossing the Barren Grounds. 



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



Radix teres longa descendens, multiceps. Canles breves crassi, rcliquiis foliorum eraarcidis, incanis den- 

 sissime co-operti. Folia radicalia confertissiraa, ovali-sp.athulata, obtusa vel acutiuscula, basi in petiolum 

 laminam subsequantem attenuata, crassa ut venae nullse transparent, vestigium tantum nervi medii erubes- 

 centis infra visu, pilis stellatis utrinque densissime vestita, flavescenti-incana. Scapi filiformes simplices, 

 palmares, ascendentes, foliis paucis lanceolatis, basi attenuatis, sessilibus muniti, pubescentia ut in foliis. 

 Corymbus terminalis, ssepius 3-florus, rariusjl, 2-vel 4-florus, sub-dichotomus. Pedunculi sub anthesin flores 

 sequantes vel excedentes, postea piiul6 elongati, stellatim pilosi, ad apicem paulo incrassati, divaricati, post - 

 anthesin ssepius recurvi. Calyx petalis brevior, pilis stellatis incanus, sepalis lineari-lanceolatis, concavis, 

 subaequalibus, cum petalis deciduis. Petala cuneato-obovata, flava, nervis ramosis saturatius flavis, ungue 

 lat6, linear!, membranace6, alb6, uninerv6, cito decidua. Stamina longiora calycem aequantia, filamentis 

 omnibus subulatis, integris, albis, antheris ochrolcucis. Siliculce magnitudine pisi sativi, pedunculis duplo 

 v. triplo breviores, biloculares, inflate, sub-globosfe sed diametro ad dissepimentum minori, septo membra- 

 naceo facile in laminas duas separabili, stylo persistcnte brevi (semi-lineam longo) filiformi et stigmate orbi- 

 culato pubescenti coronatae. Semina in loculo singulo 6 aut plura, biserialia, pyriformia, superne confer- 

 tiora. In arenosis, lat. 67°. 



264. V. arenosa, foliis inferioribus sub-rhombeis obsolete sinuato-dentatis pube 

 stellata canescentibus, caulibus teretibus basi sufFruticosis, silicula pubescente. (W.) 



Radix fusiformis. Folia radicalia plurima crecta elliptica parciter obsoletequc sinuato-dentata vel non 

 raro rhomboidca, acuta, in petiolum ips^ laminA sesquilongiorem attenuata, utrinque pube stellata adpressa 

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

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

 libus nunc in petiolum attenuatis instruct!. Racemi terminales. Pedicelli flores longitudine sequantes. 



