672 Pyrenomycetae, Sphseriacese, Hyalodidymae, Diaporthe. 



linea stromatica in ligno nulla; c-ol lis manifestis in ostiola globu- 

 losa parum emergentia abeuntibus; ascis tereti - f usoideis, apicc 

 bifoveolatis 43-48^5,5-3 octosporis; Bporidiis distichis, oblongo- 

 cylindraceis. obtusis, rcctis, 1 -septatis, leviter constrictis, 4-guttu- 

 latis, hyalinis, 10-13 * 2,5-3. 



llab. in ramis siccis Pojiuli Tromulse, Luxcmburg. 



17. Diaporthe (Chorostato caryigena Ell. et Ev. in Journ. of Mycol. 2283 

 1903, pag. 223. — Peritheciis 3-6 congestis, corticolis, globosis, 

 500 ;j.. diam., ambitu parenchymatequc interiori linoa nigra di- 

 stincta 0,5-1 mm. diam. circumscriptis; ostiolis fasciculatis initio 

 tectis, dein erumpentibus, papillatis; ascis subcylindraccis p. spor. 

 GO^IO; sporidiis submonostichis, ellipticis, 1-soptatis utrinque 

 rotundatis vel obtusis, constrictis, 9-13 » 3,5-4,5. 



Hab. in ramis corticatis Caryae, London, Canada Americr 

 borealis. 



18. Diaporthe (Tetrastaga) rhoina Feltg. Vorstud. Pih. Luxemb. Na- 2286 

 chtr. III, 1903, p. 145. — Stromate maculiformi, acute limitato, 

 versifornii, 0,5-2,5 « 0,3-0,7 mm., plano convexo, nigrificante; pe- 

 ritheciis cortice nidulantibus, plerumque 2-4-approximatis, globoso- 

 ovoideis, 200-300 \i. diam., ostiolis brcvc-conoideis cmergentibus ; 

 ligno infra immutato sed linoa stromatica nigra limitato; ascis 

 oblongo-clavatis, sessilibus, octosporis 35-45^8-10; sporidiis di- 

 stiohis rarius tristichis, obtuse ellipsoideis, rectis v. curvulis medio 

 septatis constrictisque, 4-guttulatis, hyalinis, 12-14*3,5-4,5. 



Hdb.m ramis corticatis Rhois typhinae, Luxomburg. — Af- 

 finis Diap. crustosce. 



19. Diaporthe (Tctrastaga) tamaricina Sacc. et Flag. in Atti Congr. 2287 

 bot. Palermo 1902, p. 52. — Peritheciis gregariis, cortice immutato 

 immersis, globosis, perexiguis, vi.\ 250 \i. d., ostiolo minutissimo 

 perforante, vlx. exstante; ascis fusoideis aparaphysatis, octosporis ; 

 sporidiis distiehis, fusoideis, ssepe curvulis, 10 2,5 obsolote guttu- 

 latis, hyalinis, utrinquo obtusiusculis. 



ffab. in ramulis emortuis Tamaricis anglicse, Paray-le- 

 Monial G-alliae. — Linea nigra stromatic;i endoxyla nulla distincta. 



20. Diaporthe (Tetrastaga Rhododendri Feltg. Vorstud. Pilz. Lu- 228S 

 semb. Nachtr. IIT, 1903, p. 141. — Peritheciis gregariis, sparsis 



v. fere valsiformiter 1-5 approximatis, substantia stromatica nulla, 



globosis, ostiolis rotundatis, singulis vel pluribus epidermidem por- 



forantibus ct paullo emergentibus; ascis fusoideis. brove stipitatis, 



lice obtusato-conicis, bi-foveolatis 55-61 7-8, octosporis; spori- 



