572 Pyrenomycet», Sphseriacese, Allantosporee, Diatrypella. 



DIATRYPELLA Ces. et De Not. — Syll. I p. 200, IX p. 477, XI 

 p. '277, XIV p. 488, XVI p. 427. 



1. Diatrypella rimosa Shear in Bull. of the Torr. bot. Club. 1902, 191? 

 p. 454. — Stromatibus sparsis vel interdum gregariis, erumpen- 

 tibus, fere ellipticis vel suborbicularibus, intus albidis, 1-3 mm. 

 long., basi paullo constrictis, zona nigra circumscriptis, erum- 

 pentibus, disco plano vel convexulo, levibus, indistincte 4-sulcato- 

 ostiolatis, transverso rimosis; peritlieciis 5-15, 1-seriatis, globosis 



vel mutua pressione angulosis; ascis elongato-clavatis, longe sti- 

 pitatis, paraphysatis, 90-135*6-7 p. spor. 60-70*6-7); para- 

 physibus filiformibus , pluriguttulatis; sporidiis luteo- brunneis, 

 parce curvatis, numerosis, 5-7 « 1,5. 



Hab. in ligno Alni spec. AVallowa Lake, Oregon Amer. bor. 



— D. discoidew var. Alni Cooke affinis. 



2. Diatrypella orgaoensis P. Henn. in Hedw. 1904, pag. 88. — Stro- 1919 

 matibus erumpenti-superficialibus, cortice fisso circumdatis, pulvi- 

 natis, atris, subnitentibus vel opacis, rugulosis, ostiolis verrucoso- 

 prominulis 1,5-2 mm. diam.; peritheciis subglobosis immersis; 

 ascis longe clavatis vel fusoideis, pedicellatis, apice rotundatis, 



p. spor. 20-28*3,5 polysporis; sporidiis cylindraceis, curvulis, 

 utrinque obtusis, 5-6 * 0,6-0,7 a. fuscidulis. 



Hab. in corticibus Leguminosae? cujusdam, Serra dos Orgaos, 

 E,io de Janeiro Brasiliae (E. Ule). 



3. Diatrypella vetusta Ell. et Ev. in Journ. of Mycol. 1903, p. 168. ] 



— Stromatibus dense sparsis, erumpenti-superficialibus 0,8-1,5 

 mm. diam., nigris, subprominentibus, obtusis, levibus, ostiolatis; 

 ascis clavato-cylindraceis, 75-80 * 8-10; sporidiis allantoideis, luteis, 

 dense congestis, subcurvulis, utrinque obtusis. 



Hdb. in ligno decorticato, emortuo, River Forest, 111 in. Amer. 

 bor. 



4. Diatrypella xanthostroma Ell. et Ev. in Journ. of Mycol. 1903, 1921 

 p. 225. — Stromatibus tuberculari-erumpentibus, 2-4 mm. diam., 

 nigris; peritheciis 4-l<> in singulo stromate congestis, globosis 



v. lateraliter compressis, 500 a. diam. superne abrupte contra- 

 ctis, ostiolo papilliformi, conico pertuso, brevi donatis; ascis cla- 

 vato-oblongis 55-65*8-10, polysporis; sporidiis allautoideis, luteo- 

 hyalinis, subcurvulis, 9-10 raro 9-12 * 2. 



llab. in ramis emortuis Piri japonicae, London, Canada 

 Amer. bor. 



