CRYPTOGAMIA. ALGAE. 1938. Lichen. 177$ 



hottentottus. Somewhat coriaceous, expanded, fmooth, greenifh grey- 

 glaucous, black-hairy beneath, finuate-lobed ; fegments cut, 

 (lightly crcnate, ciliate: fhields ilattifh, rufous-brown, with a 

 ciliate margin. 



^pulmonarius. Somewhat cartilaginous, expanded, glabrou*, green 

 and brown, pitted and reticulate, yellow-ferruginous and hairv 

 beneath, finuate-lobed, lobes retufe-truncate : fhields nearly 

 marginal, flat, rufous, with an entire margin, Eng. Ect, 572. 



grxnlandicus. Somewhat membranous, expanded, glaucous-green ; 

 lobes oblique, rounded, concave : fhields marginal, nearly orbi- 

 cular. For. Dan. t 466. 



Azalea? Coriaceous, expanded, dirty -green, curled: warts? confluent, 

 black. 



^aquaticusl Coriaceous, lobed, entire, glabrous both fides, greentfh 4 

 reddifh-brown beneath: tubercles in immerfed dots, 

 Eng. Bot. t. 594- 

 f. Frondfoliaceous, gelatinous, v&riouJJy formed. Collema. 



*Jpongiofus. Gelatinous, dull olive-green; lobes ciuftered, granular* 

 cylindrical, obtufe: fhields fcatiered, concave, red-brown, exter- 

 nally pale and fpongy, with a thin erecl: margin. E. Bot. t. 1374. 



Menziesii. Gelatinous, fomewhat membranous, greenifh-brown^ 

 white downy beneath; lobes rounded, flat: fhields pedicelied 

 campanulate, red. 



*faturninus. Gelatinous, coriaceo-membranous, black-green, glau- 

 cous, and fomewhat downy beneath; lobes oblong, rounded, 

 entire, undulate: fhields raifed, flat, red. Acl\ Stock* 5 /. 1 ./'. 3. 



iyrfaus. Thick, lead colour ; lobes rounded, crenate-cut, diver- 

 gent: fhields concave, rufous, with a tumid margin becoming 

 crenateand rugged plaited. 



bydrocharus. Expanded, thick, fomewhat imbricate, grey glaucous- 

 green; lobes ovate, rep and, flightly cut : fhields fcattered, flat, 

 pale rufous, with a raifed nearly entire margin. 



p'ulcher. Somewhat flefhy, thickifh, greenifh-blue; lobes fomewhat 

 finuate-rounded, unequal, entire, rlexuous: fhields fcattered, pale 

 rufous, with a tumid crcnulate margin becoming convex and the 

 colour of the frond - 



ilafhanus. Very tender, pellucid, greenifh-blue; lobes rounded- 



Ilaciniate, cut, pjaited-undulate, curled, jagged crenulate: fliields 

 lateral, fcattered, becoming convex, ferruginous. 

 Mzureus. Membranous, tender, pellucid, blueiih ; lobes rounded, 

 undulate, entire : ihields fcattered, lateral, flattifh, red with a 

 pale margin. 

 }ullatus* Membranous, thin, pellucid, lead colour; lobes rounded- 

 laciniate, irregular, undulate, crenate ; veficles lateral, inflated, 

 turbinate, ope& beneath, bearing the fhields at top: Ihieids convex, 

 rufous. 



