17S6 CRYPTOGAMIA. ALG JE. 193S. Lichen. 



folaris. Greenifh-white, beneath naked, veinlefc, blackifh and 

 flightly \iil<us at the bafe; lobes rounded, fkx.uous.tjndulate 7 

 fertile ones afcending : fhields pofterior, kidney-form, large, 

 fcarlet* Jacq. Mifc. t ro./ i. 



*refupinatus, Greeniih lead colour ; beneath hairy, palifh, veinlefs ; 

 lobes cut rounded, complicate, a little curled, fertile-ones very 

 jfhort, afcending: fhields pofLrior, kidney-form, rufous. 

 Eng. Bot. t. 305. 

 farllis. Membranous, fomeuhat ftellate, green ifh- brown, beneath 

 veinlefs naked black-brown; lobes cut, laciniate, roundtd- 

 crcnate undulate, fertile-ones very fhort: fhields pofterior, tranf- 

 verfely rblong, afcending, bay. 



ieJluIofns} Expanded, greeniih, reticulate cellular, white veinlefs 

 and bliftered beneath: fhields pofterior, nearly marginal, red. 



*croceus. Decumbent, cinnamon, villous-veined and fafTron beneath; 

 lobes divergent, roundifh, narrow at the bafe, a little cut at the 

 margin: fhields anterior, nearly marginal and lateral, tumid, 

 tawny. E. Bot t. 498. 



*f*ccatus. Nearly orbicular, greenifh- grey, white with brown fibres 

 beneath; lobes fomewhat imbricate, cut, rounded, flightly crenate: 

 fhields anterior, lateral, fcattered, funk in the pits of the frond, 

 black-brown. Eng. Bot. t. 288. 



ejeulentus? White, ™ rinkled and greyifh outwardly: fhields a little 

 prominent, immerfed, hollow, Pall. it.t. i.f. 4. 



yelleiformis- Membranous, peltate, hairy beneath; fhields immerfed, 

 pouched beneath. 



1 7. Shields flat, fejfile, not attached to the frond by their margins: frond 

 leafy, membrane- cartilaginous , lobed, rigid, glabrous , naked, both 

 fides. Cetraria. 



^islandicus Greenifh-chefnut, finuate laciniate, many-cleft, fegments 

 afcending, channelled, ciliate: fhields nearly marginal, chefnut, 

 flightly margined. Eng Bot /. 13^0. 



eucullatus. White, yellow ifh-green, erect:, tubu^r-channelled, irre- 

 gularly laciniate-branched; fertile fegments broader and fomewhat 

 hooded: fhields nearly marginal, brownifh flefh-colour, with a 

 nearly entire margin. Tranf. Linn* Soc. 1. t. 4 /". 7. 

 a. niphargus. Snowy, erect, channelled, cut, laciniate-lobed, the whole 



margin flexuous-curled and crenulate, purplifh-olive at the bafe. 

 3. tcpeinus. Palifh-white, erect, channelled, laciniate upwards, the whole 

 margin flexuous curled, the hme colour at the bafe. 



^nivalis. Membranous, pitted, white yellowifh at the bafe ; feg- 

 ments flattifh, jagged-laciniate, many-cleft, curled, crenate : 

 fhields marginal, a little concave, flefh-colour, with a crenulasd 

 border. Bilk 21, 56. A. 

 ? : . Linn a cms. Entirely white: (hielcfe nearly marginal, red, with an entire 

 feo;der. Flo?\ Lapp, t, 11./". 1. 



