Pyrenomycetfe, Lophiostomacese, Phragmosporfe, Lophiotrema. 703 



Sect. 2. Phragmosporaj. 



LOPHIOTREMA Sacc. -^ Syll. II, p. 678, IX, p. 1076. 



1. Lophiotrema (EnotheraB Ell. et Ev. Bull. Torr. Bot. Cl. 1897, 2685 

 p. 128. — Peritlieciis subgregariis sparsisve erumpeuti-superficia- 

 libus, minutis, y^ mm. diam., ovato-globosis, ostiolo angusto sed 

 prominulo oompresso donatis ; ascis clavatis, 45-55 « 7, paraphy- 

 satis; sporidiis disticliis v. obliquis, oblongo-fusoideis, 4-nucleatis, 

 demum 3-septatis medioque leniter constrictis, hyalinis, subobtusis, 

 rectis v. leniter curvulis, 12-13 >^ 3-3 '/^. 



Hdb. in caulibus emortuis Oenotherse biennis, New York 

 Amer. bor. 



2. Lophiotrema vagabundum Sacc. -Syll. II, p. 684. — Forma Spartii 2686 

 P. Brun. Bull. Soc. Sc. Nat. Nantes IV, 1894, p. 33. — Sporidiis 

 20^5. 



Hab. in ramis emortuis Spartii juncei in Gallia. — Forma 

 Inuiae P. Brun. 1. c. — Sporidiis 22-38 « 5-6, olivaceis, 3-septatis, 

 ad septa constrictis. — In caulibus emortuis Inulse crithmoidis, 

 Fouras in Gallia. 



3. Lophiotrema incisum EU. et Ev. Bull. Torr. Bot. 01. 1897, p. 460. 2687 



— Peritheciis dense sparsis, cortice immersis, intus albis solidisque, 

 300-350 p.. diam., s?epe binis v. trinis consociatis, lignum non pe- 

 netrantibus, apice quadrisulcato erumpentibus; ostiolo subcompres- 

 so; ascis cylindraceis, 75-100 ^ 10-12, breve stipitatis, parapbysatis ; 

 sporidiis mono-vel disticbis, cylindraceis, obtusis, 3-4-nucleatis, 

 inter nucleos constrictis, 1-septatis, 15-20 « 5-6. 



Hah. in ramis emortuis Ribis prostrati, Colorado Amer. bor. 



4. Lophiotrema Fraxinl Eil. et Ev. Bull. Torr. Bot. 01. 1897, p. 128. 2688 



— Peritbeciis sparsis v. gregariis semierumpentibus depresso-spbae- 

 ricis, brunneis, 400-500 fjt. diam., ostiolo vario, papilliformi, com- 

 presso-conico v. expanso donatis; ascis clavato-cylindraceis, 85- 

 90 «10; sjioridiis disticbis fusoideis acuminatisque, byalinis, 5-v. 

 plurinucleatis, demum 3-5 septatis atque vix constrictis, 35-42 '^ 

 47,-6. 



Hdb. in ligno decorticato Fraxini viridis, Kansas Amer. 

 bor. (Bartholomkw). 



5. Lophiotrema Phoenicis Roll. Bull. Soc. Myc. 1896, p. 5, tab. II, 2689 

 fig. 5. — Peritheciis nigris, sparsis, innatis, '/^ mm. latis, ostiolo 

 compresso, crasso, tantummodo prominente ; ascis clavatis, in stipi- 



