Pyrenomycet®, Perisporiaceae, Perisporiese, Dimerosporium. 467 



xitlieciis e mycelio erumpeiitibus, gregariis, subglobosis, atris, 120- 

 200 u. diam. ; ascis clavatis, obtusis, substipitatis, 8-sporis, 50-80 ^ 

 16-18; sporidiis conglobatis, subfusoideis v. clavatis, h.yaliiiis, me- 

 dio 1-septatis, vix constrictis, 20-30 ^^* 4 '/^-5. 



Hdb. in foliis Oncobse spec. in Camerunia (Zenkeri. 



3. Dimerosporlum Boscise P. Henn. Ann. del R. Istit. di Roma YI, i765 

 Fasc. 2, p. 87. — Maculis ampbigenis rotundatis, saepe confluen- 

 tibus, nigris ; peritheciis dense aggregatis, crustaceo-membranaceis, 

 aterrimis, c. 60 a, diam.; ascis oblongis, ovoideis, subclavatis, ob- 

 tusis, subsessilibus, 8-sporis, 25-40 « 15-23 ; sporidiis conglobatis v. 

 oblique disticbis, ovoideis, medio septatis, constrictis, hyalino-fu- 

 scidulis, 12-14 « 5-6 '/,. 



Hab. in foliis Boscise somalensis in Somalia. 



4. DimerQsporium Salaciae P. Henn. Hedw. 1895, p. 105. — Epi- nes 

 phyllum; mycelio effuso, repente, atro, nudo oculo inconspicuo, 

 iilis torulosis, ramosis, atris, 6-8 a. crassis; peritheciis aggregatis, 

 subhemispligericis, atris, ambitu subradiato, 180-200 u. diam.; ascis 

 subglobosis V. late ovoideis, sessilibus, octosporis^ 24-28 ^.] spori- 

 •diis conglobatis, oblongis, utrinque obtusis, medio septatis, valde 

 constrictis, hyalinis, 21-24 «8-10, loculis aequilongis, 9-11^8-10, 



Hab. in foHis vivis Salacife spec. in prov. Goyaz Bra«iliae 

 (Ule). 



5. DJmeros|Jorium punctiforme P. Henn. Hedw. 1897, p. 217. — Pe- nb? 

 ritheciis amphigenis minutis, sparsis, singularibus, punctiformibus, 

 •atris, globosis, 45-55 17.. diametro, basi filis repentibus, fuscis ra- 

 mosis, 4-6 y; crassis; ascis 8-sporis, ovoideis, subsessilibus, 18-28 5=« 

 14-22; sporidiis conglobatis ovoideis vel ovoideo-subfusiformibus, 

 1-septatis, constrictis, hyalino-flavescentibus, 8-11 « 5-6 



Hdb. in foliis Baccharidis spec. pr. Blumenau Brasilipe 

 (Moeller). 



6. Dimerosporium baccharidicoium P. Henn. Hedw. 1897, p. 217. — i76S 

 Mycelio brevi repente e filis brunneis, septatis, interdum ramosis; 

 peritheciis globosis, atrocarbonaceis, minutis, sparsis, 100-140 u. 

 diametro; ascis late clavatis vel oblique ovoideis, 8-sporis, 22-30 « 

 10-14; sporidiis subdistichis vei conglobatis, oblongis vel subovoi- 

 deis, 1-septatis, ad septum constrictis, fuscis vel atrofuscis, utrin- 

 que obtuso-rotundatis, S-11 ^ 5-6 



Hdb. in foliis Baccharidis triplinervis in prov. St. Catha- 

 rina Brasilise (Moller). 



7. Oimerusporium annulatum Rehm, Hedw. 1896, p. 53. — Perithe- i769 



