TOEULACEI. 485 



/. ISa. Ann. I^.H. no. 750. Lepraria nigra, Eng. Bot. (2nd e^?.), 

 t. 2409. Coniothecium effusum, Corda. i.f. 21. B. ^- Br. Ann. uSF.R. 

 no.iod. 



On exposed planks and rails. Common. [Carolina, U.S.] 



Forming broad black persistent patcbes, sometimes it occurs in distinct 

 black specks, which wear the appearance of little oblong perithecia. The 

 spores are extremely irregular, of no definite shape, and without any distinct 

 base. 



1446. Sporidesmium uniseptatum. B.Sj'Br. ''Two-celled 



Sporidesmium." 



Spores oboyate, uniseptate, shortly pedicellate, casspitose ; 

 lower articulation shorter. — B. ^v Br. Ann. N.H.no. 815,^.9, 

 /.2. 



On Clematis vitalha. Jan. Batheaston. 



Forming minute dark specks, consisting of obovate, uniseptate, shortly 

 pedicellate spores, ('0005 in.) '0127 m.m. long, the lower articulation of which 

 is much the shorter and narrower. As seen by transmitted light they have 

 a slight vinous tinge. — B.d'Br. 



1447. Sporidesmium opacum. Corda. *' Opaque Spori- 



desmium." 



Somewhat effused, irregular, very black, opaque ; spores very 

 shortly pedicellate, polymorphous, oblong, cuneate, ovate, or ellip- 

 tical, 2-4 celled, at first brown pellucid, then black, opaque ; 

 peduncle colourless. — Corda. i. /. 115. B. 4' Br. Ann. N.H. no. 



1145, L 3,/. 6. 



On stumps of "Wych elm. Mar. St. Catherine's. 



When young forming small round cinereous tufts, sparingly scattered over 

 the wood. — B.diBr* 



1448. Sporidesm.ium lobatum. B.S^Br. "Lobed Spori- 



desmium." 



Stem articulated, hyaline below, divided above in subquater- 

 nate. subglobose articulations. — B. ^ Br. Ann. iV.^. (1866), no. 



1146, ^.3,/. 7. 



On fir sticks. April. Lucknam. 



Forming minute black, pulvinate tufts. At first simple and strongly 

 swollen above. The upper articulation then divides, and ultimately gives 

 off the sporeSj which are ('0006 in.) "Olo m.m. long. The whole plant is "001 

 in. high. 



