514 140. Periph. 6. SARCOTHALAME®. Pi. cell. aph. 
B. depressum. Thallus flattened, rather wrinkled. 
y. mequale. Thallus wartlike, unequal, confluent. 
4. Peripherostoma confiuens. Confluent peripherostome. 
Thallus black, unequal, expanded; thece free above. 
Sphezria coherens, Persoon Syn. 11, 
On the trunks of beech-trees. 
5. Peripherostoma irregulare. Irregular peripherostome. 
Thallus irregular, tubercular, black; thece reddish- 
brown, irregularly scattered. 
Spheria irregularis, Sowerby Fungi, 374. 
On rotten wood. 
6. Peripherostoma granulosum. Granular peripherostome. 
Thallus light, spongy, knoblike, black ; thece immersed ; 
mouth level with the surface. 
Spheria granulosa, Bulliard Chanip.; Sowerby Fungi, 356. 
On dead birch-trees. 
7. Periph. multiceps. Many-headed peripherostome. 
Thallus flat, black, sooty, irregular, spreading; inside 
green; ¢hece with a pointed acuminated mouth. 
Spheria multiceps, Sowerby Fungi, 395, 
On decayed. sticks. 
b. Bursting through the bark. 
8. Periph. melogramma. Black-letter periphrostome.. 
Thallus reverse-conical, soot-black; thece rather pro- 
minent. 
Spherica ocellata, Persoon Disp. 2. 
Variolaria melogramma, Bulliard Champ. 182. 
Spheria obducta, Bolton Fungi, 125, 
Sphzria melogramma, Persoon Syn. 13. 
On branches of beech and birch trees. 
9. Peripherostoma ribis. yCurrant-tree peripherostome. 
Thallus elliptical, bursting forth across the branches, 
brown, grooved. 
Sphzria Ribesia, Persoon Syn, 14, 
~ On dry branches of red-currant bushes, winter. 
