No. vil.] LIST OF THE PLANTS. 



761 



:yli 



Muhl. Cat. (W 



588. P. herbacea: Ach. Syn. p. 198. Lichen Icete virens : Eng. Bot. t. 294. (W 



589. P.olivacear^cA. Syn.-p. 200. L.olivaceus. Eng. Bot. t. 2180. Muhl.Cat. (W.I 



590. P. saxatilis : Ach. Syn. p. 203. £rag. Bot. t. 603. il/wA/. Ca*. p. 105. (W. I 



Syn. p. 204. Eng. Bot. t. 653. (B.) 



592. P. stygia : Ach. Syn. p. 205. Lichen stygius. 



593. P. ambigua : Ach. Syn. p. 208. (B.) 



) 



594. P. conspersa: Ach. Syn. p. 209. Muhl. Cat. Eng. Bot. t. 2097. (W 



595. P. muscigena, /3 



(B 



596. P. pulverulenta : Ach. Syn. p. 214. Eng. Bot. t. 2063. Muhl. Cat. (W 



597. P. aipolia: Ach. Syn. p. 215. Muhl. Cat. (W.) 



598. P. stellaris; Ach. Syn. p. 216. Muhl. Cat. (W.) 



599. P. cycloselis: Ach. Syn. p. 216. (W. B.) 



600. P. physodes: Ach. Syn. p. 218. Muhl. Cat. (W. B.) 



y. platyphylla: Ach. Syn. p. 218. absque scutellis. (B.) 



601. Borrera ciliaris: Ach. Syn. p. 221. Muhl. Cat. (W. B.) 



602. B. tenella: Ach. Syn. p. 221. (W.) 



603. Cetraria juniperina: Ach. Syn. p. 226. Muhl. Cat. p. 106. (B.) 



P 



(B.W.) 



604. C. sepincola: Ach. Syn. p. 226. (W. B.) 



605. C nivalis: Ach. Syn. p. 228. (B.) 



606. C cucullata : Ach. Syn. p. 228. (B.) 



607. C. islandica: Ach. Syn. p. 229. Muhl. Cat. p. 106. (B.) 



608. C. Richardsonii : {Hooker, MS.) thallo brunneo omnino libero : laciniis dicho- 

 tomis linearibus, apotheciis marginalibus flavescenti-brunneis. (B.) 



Thalliis coriaceus prostratus, angustifolius, divaricato-bi-pinnatifidus aut dichotome sinuato-bipartitus, 

 gupra convexus, rubescenti-brunneus nitidus , subtus canaliculars opacus pallidior fere canescens, sed maculis 



irreeularibu s eiusdem substantias colorisque ac pagina superior interspersus. Lacinia omnes prater 



magnis 

 ultimas 



gnstu 



furcatae sunt aut tantum emarginata;. Margines thalli integerrimi aut sparsiter granuluto-dentati etiam in 

 sicco revoluti, in humido ita connivent ut lacinias tubulosas reddunt ; Exsiccatione iterum evolountur. 



.i • . s *u..ii: „^„_„« :„ : r .;*\ n ^nn/<->T-> m..ro-;.»« Inflpvn mov amnla sub-nedicellata flexuoga 



hall 



a excedente sub-cincta subtus e pagina thalli superiora forniata. Ambitus apotheciorum granulatus 

 >andus aut etiam fissus semper valde irregularis et modo Cetrariarum sub-liberus. Thallus in skco 

 gilis vix tamen rigidus, madefactus pallet totus et ejus apices interdum olivaceo-virides fiunt. Sunt 



quoque 



terra 



humo affixris. Rarius 



Hab. On the Barren Grounds generally in Rein-deer tracks. It was not found to the southward of Great 



Slave Lake. 



609. Peltidea scutata: Ach. Syn. p. 237. Eng.Bot. t. 1834. Muhl. Cat. (W.) 



610. P. aphthosa: Ach. Syn. p. 238. Muhl. Cat. (W. B.) 



5 E 



