204 



The Fungi of Wiltshire. 



Acrospermum graminum Le'v., Rudlow, on dead grass. 

 Genus CVIL, Diplodia Fr. Perithecia distinct, carbonaceous. 

 Spores uniseptate, escaping by a perforation at the apex. 

 Diplodia vulgaris Lev., Pudlow. 



■ tecta B. and B., on leaves of prunus lauro-cerasus. 



; — consors B. and B., with the last. 



Genus CVIIL, Hendersonia B. Perithecia distinct. Spores 

 two-multiseptate, escaping by a terminal pore. 



Hendersonia arcus B. and B., Spye Park, on leaves of box. 



polycystis B. and B., ditto on birch twigs. 



subseriata Desm., Draycot, on grasses. 



Genus CIX., Darhica Curl. Perithecia delicate. Spores con- 

 taining a row of sporidiola, oozing out and forming a tendril. 



Darluca typhoidearum B. and B., Spye Park, on leaves of typha. 



macropus B. and B., ditto on sedges. 



Genus CX., Vermicularia Tode* Perithecium thin, mouthless, 

 generally bristly. Spores vermiculate. 



Vermicularia atramentaria B. and B., on dead potato stems, 

 common. 



Genus CXI., Discosia Lib. Perithecium flat, opening at the 

 base. Spores septate, obliquely aristate at either end. 



Genus OXIL, Pilidium Kze. Perithecium scutellseform, smooth, 

 shining, opening irregularly. Spores curved, without any appendage. 



Genus CXIIL, Melasmia Lev. Perithecium membranaceous, 

 dehiscent above, rather swollen, at length depressed and rugose, 

 growing in a thin, spotlike, effused receptacle. Spores minute. 



Melasmia acerina Lev., Spye Park, &c, on leaves of sycamore. 



Genus CXIY., Piggottia B. and B. Perithecia irregular, very 

 thin, obsolete below, forming by confluence a wrinkled mass, 

 bursting by a lacerated fissure. Spores rather large, obovate, at 

 length tomiparous. 



Genus CXV., Septoria Fr. Perithecia minute, more or less 

 incorporated with the matrix. Spores oblong and septate, or 

 thread-shaped and continuous, discharged in little tendrils. 



Genus CXVL, Ascochyta Lib. Perithecia distinct, delicate. 

 Spores oozing out, septate or simple. 



