Pi. cell. aph. 6. SARCOTHALAMEAE. 149. Neman. 547 
7. Nemania immersa. Sunken nemania. 
Thatllus spherical, black, penetrating wood in various 
directions. 
Spheria immersa, Sowerby Fungi, 374, 1. 
8. Nemania diffusa. Spread memania. 
Thallus spreading, irregular, black. 
Spheria diffusa, Sowerby Fungi, 373, 10. 
On the bark of dry wood, under the epidermis. 
9. Nemania_fuliginosa. Suoty nemania. 
Thallus black; ¢hece prominent. 
On rotten branches of oak-trees, on the epidermis. 
10. Nemania crustacea. Crusilike nemania. 
Thallus spread; thece slightly prominent; mozth pro- 
minent. 
Spheria crustacea, Sowerby Fungi, 372,11. 
On the trunks of trees. 
b. Bursting forth from under the bark. 
. Nemania stigina. Stigma nemania. 
Thallus broad, flat, equal, spreading under the epidermis; 
inside white, Geis black; mouths immersed, fiattish, 
spotlike. 
Spheria stigma, Hoffm. Crypt. 1,7. 
Hypexylon operculatum, Bull. Champ. 1717. 
On dried branches of hawthorn. 
12. Nemania decorticata. — Untarked nemania. 
Theca inside white, outside black; mouths rather pro- 
minent, conical. 
Spheeria decorticata, Sowerby Fungi, 137. 
Spheria stigma decorticata, Persoon Syn. 21. 
On dead branches of hazel. 
13. Nemania maculata. ‘Spotted nemania. 
Thallus broad, spread, quite fiat, black; thece pointed, 
globular, aon with a rust-colour veil. 
Spheria cinerea, Sowerby Fungi, 313, 1). 
Spheria macula, Tode Meckl. 2, 53. 
On dry branches of oak-trees. 
Spot black, large; thece wool-like; mouths slightly pro- 
tuberant. 
