P^vivnoniyiftje. Mi«Toth>rfa«trn5, l>l(lyniospone, Mfcroth^fruin. 635 



6-7 u. diiuu.; ^iaraphy.silms tiliforDiibue, 2"'^ [J. crasktj*, siii)con- 

 glutiuatiB. 



Jlab. in foiijs Fsea I loi» i*" vacoinloiHis, 8erra do Italiaia 

 Brasilii» (Ule). 



SecL. 3. DidyniosporaB. 



MICROTHYRIUM Desro. -^ Syll Jl p 062, IX p. 1055, XI p. 379, 

 XIV ],. 687. 



1. Mlcrotbyrlum corynellum F. Tassi Bull, Lab. Ort. Bot. Siena 1900, 2248 

 pag. 07, tab. X, fig. 2. — Peritheoiis aiBphigeuis, sparsis, orbi- 

 oularibiLs, dimi(1iatis, marginibus inegularibas, ostiolo coutrali per- 

 tusis, 100-140 ^, diam.: toutextu subpareuchymatico radipnte fu- 

 ligineo-olivaceo; ascis clavatis, 8*sporift, 35-40 v 6-8; sporidiis di- 

 tristichis, clavulatls, prope uiedium septatis, vix consirictis, loeulo 

 supero crassiore, sjepe minute gmnuloso, infero miuore subconico, 

 ]iyalini8, 8-10 «2. 



Hah, in foliis Leptospermi arftchnoidei, New South 

 Wales. 



2. MJcrothyrium exarescens Eehm, Heaw. 1800, p, 227, fig. 2. — 2S49 

 Peritheciis araphigenis, iu macularum orbiculaiium flavidularum 

 usqne 4 rnm. latarum centro primitus seasilibus, 200-300 ^. diam., 

 dein in macuiis albido-exaridis fusco-raarginatis subbullosis plus 

 minusve circinatim peripherice consooiatis, usque 500 ^x. diam., 

 aggregatis v. confluentibus, fusco-nigris, orbicularibiis, opacis, pla- 

 nis, ceiuceis, dimidiatis, prosenchymatico-contextisi, hyphis haud 

 radiantibus; ascis ventriooso-clavatjs. lata bas' seasilibus, crasse 

 tunicatis, 35-40 V 12-14, octosporis ; j-poridiis distichis, clavatis, ob- 

 tusis, hyalinis, t-septatis. medio non constrictis, 10-12 «3V,; pa- 

 rapbysibus ramosis. 



HaJh. in foliis fruticis cujusdara in Braeiha (TJle). — M. vire- 

 scenti Speg. affiue. 



3. Microthyrium Miliettis A. X.. Smith, Journ. of Bot 1898, p. 179. m> 

 — Peritheciis amphigenis, sparsis, ca. '/^ mm. diam. ; ascic; sub"» 

 ovatis, 55 »35; sporidiis hyaiinis. l-3epta.tis, 35-40 v 10-12. 



Hab. in foliis Millettiae G r iffon ianae, Angola Africae 

 (WELwrrscH). 



4. Microtbyrium vittiforme Speg. Fg. Arg. novi v. crit., pag 297 2»i 

 (1899). — Peritheciis mmutissimis, 60-100 ^l diam., diAcoideLs, di 



