RKV. M. J. liEUKELEY ON CUBAN FUXGI. 347 



Ou dead wood. Hab. Hindustan, Ceylon, New Guiana, Vera- 

 quaz, Car. Inf., Saskatchawan, Europe. 



Eeticulakta, Bull. 



521. Reticularia pyrrhospora, B, Crassa, pulvinata, rubro-fer- 

 ruginea; floccis stuppeis lutosis ; sporis obovatis hie illic breviter pe- 

 dicellatis peroxydatis. (6760 



Ou trees. January. Ilab. Mauritius, Eiver Binne, Two inches 

 or more in diameter. Spores obovate, 'COOo — -0006 inch long. 



522. R, AFFixis, B. Sf C. EfFusa, tenuis, papillosa, atropurpurea, mar- 

 ginetenui; sporis oblongis ; capiUitio brevi ramose. (454.) 



On bark and standing dead trees. Hah. Car. Inf. Spreading 

 for one or two inches, thinner than the following species, with the 

 spores longer and more or less elliptic or oblong. No. 3012, 

 Car. Inf., is a form of the same species, but with fewer of the 

 spores oblong. Spores '0004- -00025 inch long. 



523. R. ATRo-RUFA, B. <5' C*. Effusa, atro-rufa, laevis nee superficie 

 reticulata; floccis brevibus crassiusculis cylindricis; sporis atro-rufis 

 subglobosis. (5 34.) 



Ou bark. Spreading for three or four inches ; margin abrupt ; 

 spores reddish by transmitted light, *0002 inch in diameter, 



524. R. VENULOSA, B, ^' C. EfFusa; peridio murino-purpureo venis 

 remotis notato ; sporis fuligineo-purpureis subellipticis ; floccis re- 



motis. (675.) 



On mosses. December. Purple, spreading for several inches. 

 Less dusty than some other species. Spores of the same size 

 as in the last. 



625. iETHALiuM sEPTicuM, Fr. Sy^^ ill. p. 93 ; Monf. Cm6. p. 315. 



(273, 274.) 

 On dead wood, with white and yellow flocci. llah. New Zea- 

 land, Venezuela, United States, Europe. 



Dii)ER:NrA, P. 



526. DiDERMA CUBENSE, B. 8f C. Aduatum, irregulare; peridio cx- 

 teriore crasso fragili albo, interiore obsolete; columella urabrlna; 

 capillitio albo; sporis fuligineis. {7^7*) 



On dead leaves. July. Agreeing in many respects with D. 

 diffonne; but it is rather adnate than sessile ; the interior peridium 

 is adnate with the outer ; the columella is of the same form as 



