43G Discomycetes?, Oyranoascaceaj, Exoa?cus. 



mores bullosos gignit. ; asci 35-50 c: 7 =; 8 ; ceilulae basilares 10- 

 16^2-6; sporidia 6-7 s 3-4, octona. 



2. Exoascus communis Sadeb. Die paras. Exoasc. p. 47, t I, f. 10 27oa 

 (A-C). 



Eab. in fructibas Pruni araericanae, P. purailse et P. 

 marttimae, in Amer. bor. •— Tumores gignit. ; asci 30-40 5; 8; 

 cellulss basilares 15-20=; 3-5; sporidia 5 s 3-4, typice octona. 



3. Exoascus acericola Massal. Nuova contr. micoi. veron. pag, 27, zm 

 i III, f, 4 {Taphrina). 



ffab. in foIii.s Aceris campestris in agro Voronensi. — 

 Non deformans; asci 16-20^=8, typice 8-spori; sporidia subglo- 

 bosa 2,5-3,0 u-. diam. — ft. Pseudoplatani Massal. I. c: asci epi- 

 phylli, 18-26 37-10. In foliis Aceris Pseudoplatan i in agro 

 Veronensi. 



4. Exoascus Gilgii Henn. et Lindau in Hedw, 1893, p. 156 cum ic. 2711 

 {Taphrtna). 



Hab. m ramulis Pruni Cerasi, Crossbeeren Gcrmanine. — 

 Asci 30-50 s 12 ; cpllulcb basilares 6-13 • 5-9; sporidia tvpice octo- 

 na scd germinatione etiam plura, 6-10 •» 5-7. 



5. Exoascus confusus Atkiiis. in Bnll. Torr. Cl. 1894, n. S. 2712 



Hab. in fructibus et petalis Pruui virginiana^ in Arae- 

 rica boreali. 

 8. Exoascus longipes Atkins. in BuM. Torr. CI. 1894, n. .S. 2713 



Eab. in fructibus Pruni araericanae, ubi tamores giguit, in 

 Amer. bor. 



7. Exoascus deciplens Atkins in BuII. Torr. Cl. 1894, n. 8. 2714 



flab. in foliis Pruni araericanai in Amer. bor. — Var. 8U- 

 perficialis Atk. 1. c. la ejnsdem frucUbas semi-mafuris. 



8. Exoascus mirabilis Atkins. in Bull. Torr. Cl. 1894, n. 8. 2715 



Hab. in gemmis et alabaslris Pruni a ngustifolirc, P. hor- 

 tulana?, P. Armeniacae, iu Aiabama, Carolina inf. et Jowa, — 

 Var. tortilis Atkins. I. c. In fructibus Pruni araericanae ia 

 Araer. bor. infer, 



9. Exoascus rhizipss Atkins. in Bull Torr. C!. 1894, n. 8. 2716 



Hab. in alabastris et fructibus Pruni trifloraj in Alabama. 



10. Exoascus varius Atkins. BuII. Torr. Ci. 1894, n. 8. 2717 



Hab. in foliis Pruni scrotinae ia Alabama. 



11. Exoascus cecidomophiius Atkins. BuII. Torr. CI. 1894, n. 8. 2718 



Hab. in galHs entomogenis ad fructus Pruni virginianae, 

 New York. 



