Pyrenomyceteœ, Sphœriaceœ, Alìarìtosporae, Diatrypella. 277 5. Diatrype Maclurae E . et E . North Am. Руг. p. 570. Hab. in ramis decorticatis M a c l u r a s a u r a n t i a c a e , Canada (DEARNESS). — Stroma 2-10 mm. long. 1-2 mm. crass.; perithecia 0,5 mm. diam. ; asci 40 a 6 (p. sp.); sporidia 10-14 s 3, flavida. G. Diatrype tumida E . et E; North Am. Руг. p. 567. mi Hab. in cortice U l m ï , Canada (DEARNESS). — Stroma 3-4 mm. diam.; asci 40-55 = 6-7, longe stipitati; sporidia 10-12 s2,5-3. 7. Diatrype hullensis E . et E . North Am. Руг. p. 567. ms Hab. in ligno putrescenti, Canada (MACOUN). — Stroma 4-5 mm. long.; perithecia 0,3 ram. diam.; asci 35-40 s 5-6; sporidia hyalinoflavida, 8-11 = 2-2,5 8. Diatrype microstega E . et E . North Am. Pyr. p. .574. шэ Bab. ad cortices in California (HARKNESS). — Stroma 0,7-1 mm. diam.; perithecia 1-5 in quoque stromarte; asci 35-40 = 6-7 (p. sp.); sporidia 10-12 = i;5-2, flavida. 9. Diatrype bukobensis P. Henn. F. Afr. II, p. 5. 1650 Hab. in ramis emortuis, Bukoba pr. Victoria Njansa Africa?. — Stromata pulvinato-disciformia; perithecia ovata; asci non visi; sporidia 10-13 = 3-4, fuscidula. 10. Diatrype artocreas C . et M. Grev. X X I , p. 4. icsi Hab. in ligno putrescenti, St. Vincent in India occidentali. — Stroma 1-1,5 era. lat. ; perithecia monosticha; asci cylindracei; sporidia 10-12 = 3,5, hyalina. DIATRYPELLA Ces. et. De Nut. - Syll. I, p. 200, I X , p. 477. 1. Diatrypella prunicola EH. et Ev. Proc. Acad. Phil. 1894, p. 344. i6S2 Hab. in ramls emortuis P r u n i p e n s y l v a n icass. Alcove N . Y . Amer. bor. (SHEAR). — Stroma 3-4 mm. diam., perithecia polysticha 110-150 fx. diam.; asci breve stipitati 65-70 = 8-10; sporidia 5-6 s 1, flavida. 2. Diatrypella citricola E . et E . North Am. Pyr. p. 587. s3 Hab. in ramis emortuis C i t r i A u r a n t i i , Florida(UNDERWOQO). — Stroma 1-2 mm. diam.; perithecia 0,3 mm. diam.; asci U 0 * l £ = 10-12; sporidia 6-7 = 1,5-2, ex hyalino flavida. 3. Diatrypella Sassafras E . et E . North Am. Pyr. p. 588. 1654 Hab. in ramis emortuis L a u r i S a s s a f r a s , Newfield, N. Y . Amer. bor. — Stroma 1-2 mm. diam.; perithecia 0,3-0,5 mm. diam.; asci longe stipitati, 100-110 = 10; sporidia flavida, 6-7 = 1,5-2. 4. Diatrypella missouriensis E . et E . North Am. Pyr. p. 586. 1G55 Hab. in ramis emortuis C o r y l i Missouri Amer. bor. (DEME] 6