48 KEY. M. J. BERKELEY ON FUNGI COLLECTED 



Laueenciace^:. 



Delisea pulchra, Mont. 



Geog. distr. W. and E. Australia ; Tasmania, S. shore ; Kerguelen. 



SPIIiEROCOCCOIDEJS. 



BoTRYOGLOSSUM PLATYCARPUM, Turn. 



Geogr. distr. Falklands; Chili; California; Cape G. Hope. 



* 



EHODYMENIACEiE. 



Plocamium Hookeri, Harv. 

 Geogr. distr. Kerguelen. 



Cryptonemiacejs. 



- 



Callophyllis elongata, n. sp. ? 



Fronde elongata, parce dichotoma, segraentis linearibus, inferne an- 

 gusta, prope basin angustissima, margine undulata. 



Two specimens of a red-purple colour, without fructification, 

 but having the characteristic structure of the genus. 





XXVI. Enumeration of Fungi collected during the Expedition 

 of H.M.S. < Challenger.' By the Rev. M. J. Berkeley, M.A., 

 F.L.S. (Second Notice.) 



[Read February 4, 1875.] 



Bebmuda. June 1873. 



| 140. Agaricus (Mycena) alphitophorus, B. Minutus, totus aleu- 

 riatus niveus ; piieo conico-campauulato ; stipite filifonni ; lamellis 

 angustis adscendentibus. 



On small twigs, Devonshire Marsh. 



Scarcely a line high ; stem \-\ inch high, covered, as well as the pileus, 

 with white mealy particles. 



Very delicate. 



41. A. (Nolanea) helictus, B. Pileo profunde umbilicato sericeo; 



stipite torto ; lamellis primum deute decurrentibus, demum adnexis; 



mycelio candido. 

 On rotten leaf-mould. 

 Pileus about 1 inch across ; stem 1 i inch high, slender. Very much 



wrinkled, when dry of a pale umber, sometimes browner towards the 



margin ; spores irregular, 0003 inch long. 



In very young specimens the stem is darker, but without any 



