PYRENOMYCETES — DP M. C. COOKE. 391 



1. Sph. (Rosellinia) opaca, Cooke. 



Subgregaria. Peritheciis globoso-depressis, atris, opacis ("25 mm. diam.), vix papillaris, super- 

 ficialibus, ascis cylindraceis, octosporis. Sporidiis globoso-ovalibus (*007 X "006 mm.) 

 fuscis, uniserialibus. 



Soeotra. On rotten wood. B.C.S. n. 1305. 

 Distrib. Endemic. 



2. Sph. (Immersa) hyalodidyma, Cooke. 



Sparsa, immersa. Peritheciis subglobosis, atris, ostiolo punctiformi emergente. Ascis cylin- 

 draceis. Sporidiis ellipticis, uniseptatis, hyalinis (•012-014 x '0075 mm.) 



Soeotra. Immersed in wood. B.C.S. n. 462. 

 Distrib. Endemic. 



3. Sph. (Kalmusia) rubronigra, Cooke. 



Sparsa. Peritheciis in ligno subimmersis, demum supra denudatis, primitus pulvere rubro 

 conspersis, dein nudis, atris, nitidis, ostiolo brevi. Ascis cylindraceis. Sporidiis uniseriatis, 

 ellipticis, triseptatis, fuscis (022 x "008 mm.). 



Soeotra. On naked wood. B.C.S. n. 1465. 

 Distrib. Endemic. 



4. Sph. (Thyridium) colliculus, Cooke. 



Peritheciis subglobosis minimis, in stromate nigrofacto elevato elliptico (4x1 mm.) congestis, 

 immersis ; ostiolis punctiformibus. Ascis clavatis cylindraceisque, octosporis, Sporidiis 

 uni- vel biseriatis, ellipticis, 5 septatis, muriformibus, hyalinis ('02 x "01 mm.) 



Soeotra. On naked wood. B.C.S. nn. 1317, 1563. 

 Distrib. Endemic. 



2. LOPHIOSTOMA. 



Lophiostoma, Fries Syst. Myc. ii. 467; Sacc. Syll. ii. 689. 



A genus including, in its widest sense, about 150 species, chiefly inhabiting 

 temperate countries. 



1. L. (Lophiotrema) Socotrse, Cooke. 



Laxe gregaria. Peritheciis ligno immersis, deinde plus minus emergentibus, subsphseroideis, 

 compressis, atris, ostiolis umbilicatis. Ascis saccato-clavatis, octosporis. Sporidiis lanceo- 

 latis, inordinatis, 7-septatis, hyalinis ( - 035 x '008 mm.) 



Soeotra. On naked wood. B.C.S. n. 1461. 

 Distrib. Endemic. 



