CRYPTOGAMIAFUNGI. 143 



brown. LINK, ut cit. 113. Bot. Gall. ii. 871. Erysiphe Berberidis y 

 GREV. Fl Edin. 460. 



Hal. On the leaves of the barberry. 



6. E. guttata, radicular filaments straight or at length kneed, 

 subulate, bulbous at the base ; globules rather large, raised on a 



pale irregular spot LINK, ut cit. 116. Bot. Gall. ii. 871. Er. 



corylij DECAND. Fl. Franc, ii. 272. Sclerotium erysiphe, var. ft. 

 PERS. Syn. 124. 



Hal. On the under surface of the leaves of hazel, in 

 autumn. 



75. RHIZOMORPHA. 



1. R. diver gens, " cylindrical, somewhat flexuose, reddish, the 

 branches always free, patent." GREV. Crypt. Fl. t. 154. ; Fl, 

 Edin. 354. 



Hob. Between the bark and the wood of decayed stumps 

 of fir trees in Blackadder plantations. 



2. R. subcorticalis, very long, brown, rugose ; primary branches 

 compressed, obscurely channelled beneath, subparallel, joined to- 

 gether by numerous parallel side branches GREV. Fl. Edin. 354. 

 R. fragilis, Bot. Gall. ii. 867. 



Hob. Between the bark and wood of much decayed trees, 

 forming a very extensive coarse sort of network en- 

 veloping the trunk, not uncommon. 



3. R. setiformis, irregularly branched, very slender and filiform, 

 black, smooth ; branches patent, tapered, free Bot. Gall. ii. 868. 



Hab. Parasitic on dead leaves and twigs in woods. 



Dr GREVILLE maintains that this is a barren and monstrous 

 state of Agaricus androsaceus. 



76. DACRYMYCES. 



1. D. deliquescens, gregarious, small, rounded, convex, smooth, 

 yellowish-orange Bot. Gall. ii. 729. D. stillatus, GREV. Crypt, 



