34 ACOTYLEDONS. FUNGI. Rncodium. 



glaucus, Light/, p. 1072. Sow. t. 37S. /. 9. /'. 14. M. ligni- 

 fragus. 

 Hab. On decayed fruit and vegetables, &c., common, LigJiff., Hopk. 

 This is the well known blue mould. 



** Caulescent. Filaments monUifurm, straight, digitate. 

 2. M. digitata, glaucous, stipes simple digitate. Pers. p. 693. 



Muco7- cruslaceus, Liglilf. p. 1073. 

 Hab. On corrupted fruit of various kinds, frequent. Light/. 



40. DEMAT'cUM. 



Filaments of ati indeterminate form, erect or depressed, some- 

 what fasciculate or spreading, smooth and not interwoven. 



1 . D. epipliyllum, erect fasciculate subolivaceous at length pul- 

 veraceous, filaments smooth. Pers. p. ()9.>. 



Hab. On the imder surface of tlie dead leaves of Pinus Picea, Mr. 

 Grei'ille. 



2. D. strigosum, tufted tawny filaments somewhat rigid diver- 

 gent. Pers. p. G9.5. Byss7isfidvu, Light/, p. 1002. B. har- 

 bata, E.B. t.70l. 



Hab. Upon wet half decayed wood lying in shady places, in autumn 

 and winter. Light/. 



3. D. violacewn, dense spreading violet-coloured. Pers. p. G97. 

 Byssus phosphor ea, Light/ ,p. 1000. Auriadaria pJiosphorea, 

 Soiv. t. 350. Con/erva phosph., DiLlw. Co?/, t. 88. 



Hab. On the bark of decayed wood and sticks, in the autumn and 



winter, frequent, Liglii/. 

 Almost forms a membrane, and hence Sowcrby has made it an Aiiri- 



cularia. 



41. ERINEUM. 



Epiphyllous. Filaments rigid, collected into a subcupuliforni 



tuft impressed upon the leaves. 



1. E. acerinum, depressed broadish reddish brown. Pers. p. 700. 

 Hab. On the leaves of Acer pseiido-Flatanus, about Edinburgh. Mr. 



GrevUle. 



2. E. alneiim, tufted dense almost scarlet. Pers. p. 701. 



Hab. On the leaves of Bctula alba on the upper surface, Mr. GrevUle. 



3. F,. bet/di7iHm,ti\hed dense ferruginous. Decand. Ft. Gall. p. 1.5. 

 Hab. On the under surtace of the leaves of Betula alba, about Edin- 

 burgh. Autumn. Mr. Greville. 



42. RACODIUM. 



Expanded, soft, with the filaments densely interwoven. 



1. R. cellare, broadly spreading very soft greenish black. Pers. 

 p. 701. Nees von Esenhech, t. 5. /". 70. Byssus sepiica, 

 Light/, p. 999. - Fdrillaria vinaria, Sow. p. 432. 



Hab. Wine-vaults, upon the casks and walls, irequent, Light/, 



