CRYPTOGAMIA. ALGAE. 193* Lichen. 177$ 



*pkcinu$. Thick, black-green, with raifed inteftine-like convoluti- 

 ons. Dill. t. tg.f. 19. 



fagenqlis. Membranous, peltate, rounded -lobed, thinly reticpiate 

 with veins, with minute brown granulations en the veins. 

 Dili /. 19./. 21. 



Muriculatus. Imbricate, duU glaucous-green, finuate lobed, crCnulate: 

 fhields depreiTed, muricate, pale rufous. 



Secijfus. Membranous, fomewhat imbricate, with jagged lobes : 

 fhields brown, with a leafy margin. FL Dan. 470, 3. 



*cretaceit+. Stellate, lobed, dark-olive: fhields central, raifed, brown 

 flefh- Colour, with an entire paler margin. Eng Bot. t. 7/8, 



fynalijff'us Imbricate, cur'ed, black : fhields minute, cniftered, 

 obovate, united into a fomewhat pedicelled head, depreiled in 

 the dilk, 



ramulofus: Black, many-cleft, cylindrical, obtufe. 



* jluviatilis. Black green; fegments many-deft , nearly linear, 

 convex, grooved underneath, proliferous.- fhields nearly globu- 

 lar, hollow, black -green, nearly terminal. Dill. 19. 28 



«v Frond leafy , membranous, deprejfed: fegments linear, Jomeivhat 

 . imbricate, vaulted or infleiled at their tips. Pnyfcia. 



^tenehus;. Membranous, greyiih both fides; fegments many-cleft, 

 linear, afcending tubular-vaulted oblufe and ciliate at the tip : 

 fhields blueifh -black. Eng. Bot.t. 1351. 



* phyfodes. Glabrous, whitifh, black brown beneath, naked both 

 fides : fegments expanded, in marly finuate divifionsj rather 

 convex, a little inflated at the tip: fhields red, with a thin 

 inflected entire margin. Eng. Bot. 126. 



2. <vittatm. Somewhat Itellatej fegments flattifh above, edged with bbek, 

 dilated obtufe and inflated attre tip. 



3. plutyfbylius. Orbicular, rugged plaited, greyiih, with a lobed roonded- 

 crenate circumference. 



*diatripus. Grey, white with black fibres and fomewhat fpongy 

 beneath: fegments expanded, rather imbricate, in many finuate 

 divifions, flattifh, a little inflated at the tip, molt of them per- 

 forated: fhields reddifh, with a whitifh inflected entire margin, 

 Eng. Bot.t. 1248. 



colpodes. Pale grey, black fpongy beneath : fegments divaricate, 

 fomewhat imbricate, in many finuate clefts: ihields cup-ihaped, 

 dull brown, becoming dilated, with an inflected cren'ulate 

 margin. 



cincinnatus. Glabrous, white, black beneath; fegments circularly 

 imbricate, lobed, obtufe, inflated: fhields bay, crenate. 



enter omorphus. Glabrous, white, black beneath; fegments fomewhat 

 imbricate, lobed, obtufe, inflected: fhields bay; entire. 



Juplicatus. Lax, glabrous, white, black beneath; fegments in man; 

 branched clefts, linear, inflated. 



