Fig. 7. SPH^RIA dubia. 

 THE fphcerule is here indiftinitly formed of a 

 cottony fubftance, in the ftalk of a vine, burfting the 

 cuticle with a cottony mouth, through which iiTues 

 a gelatinous tendril of a waxy appearance. 



Fig. 8. S. viridis. 



THE ontfide of this little Spharia is black, the in- 

 fide light green, \vith a fmall hollow, fo that when cut 

 it appears clumfy. It is mortly folitary. The wood it 

 grows on is occalionally ftained greenilli. 



Fjg. 9. S. osTRACiA. Hypoxylon ojlreaceum. Bull. 444. 4. 



WE only admit this as a Spbaria on the authority 

 of thofe who have gone before us ; but we ftrongly 

 fuppofe it to be the nidus of an infe6t, as the pupa of 

 fome one has always been found in it when in its moft 

 perfe6t ftate. It opens like an oyfter-fliell, and is often 

 perforated at the top, perhaps by another infe6t. 



T A B. CCCLXXVI. 



SPH^RIA CARPINA. 



JN OT uncommon on hornbeam in Hainault Foreft, 

 Effex. Ihavefeen the hard trunks of trees almoft covered 

 by it. The fphaerules are often difficult to find under the 

 hard bark ; they are fomewhat compreiTed, often ir- 

 regular, and at firli rather waxy ; afterwards they be- 

 come a black, brittle, carbonaceous-like fubftance. 



T AB. CCCLXXVU. 



SPH^^RIA PROFUSA. 



I UNDERSTAND a great deal has been faid about 

 this curious production in Germany, but I believe it 

 was flill left undetermined what it could be. Having 

 difcovered plenty of it in the neighbourhood of London, 

 upon careful examination it proved to be a Spbaria, 



