2 NOTiTEs OF Nonrn amkhican fuxgi. 



Perithecia pale, collapsed, surrounded by the filmy cuticle, spores 

 shortly cymbajform or slightly curved, •000y-'0004 long, about 

 •0002 wide. Looks at first like a chemical efflorescence. 



417 (bis). Sphaeropsis maculans. B. S( C. — Maculis candidis rufo- 

 marginatis ; peritheciis punctiformibus ; sporis obovatis brevibus. 



Ou leaves of Bwnelia. Alabama, Peters. No. 4563. 



Spots white or pallid, surrounded by a thin umber border ; peri- 

 thecia minute puuctiform ; spores shortly obovate, *0005 long, 

 nearly as much wide. 



418. Sphseiropsis minima. B. Sf C. — Maculis pallide brunheis ; 

 peritheciis minutis tectis, sporis breviter obovatis. 



On leaves of Ace?- ruhrwn. New England, Sprague. No. 5314. 



Forming little suborbicular brownish spots; perithecia subcu- 

 ticular, minute, spores shortly obovate, -0004 long. Totally differ- 

 ent in appearance frdm the last, though the spores are similar. 



418 (bis). Sphaeropsis tozulosa. B. ^ C— Peritheciis in pustulas 

 pai'vas mammajformes rugosas congestis ; sporis ellipticis apiculatis, 

 sporophoris torulosis. 



On bark. New England, Sprague. No. 5839. 



Perithecia collected into little mammjeform ragged pustules, sur- 

 rounded by the cuticle ; spores elliptic, with a little apiculus 

 springing from a thick torulose pedicel, •0004-'0005 long, nearly 

 as much wide. It is probable that a second or third spore is pro- 

 duced from the same pedicel, as in one case three spores were 

 seated on the triangular apex of a sporophore. 



419. Sphaeropsis collabens. B. ^ C— Peritheciis nudis colla- 

 bentibus nitidis nigerrimis ; papilla centrali ; sporis allantoideis. 



On decorticated branches. New England, Murray. No. 5680. 

 Perithecia naked, collapsing, with a central papilla, resembling 

 those of Discosia artocreas ; spores sausage-shaped, hyaline. 



* Dothiora pyrenophora. i^r.— On apple twigs. Car. Sup. No. 

 860. 



* Diplodia Zeae. Lev.— On Indian corn. Car. Inf. No. 1432, 

 1433, 1303. 



Spores elongated, sansage-shaped, or clavate, 



* Diplodia vulgaris. Lev.—Oyx twigs of ivy. Car. Sup. No. 

 6424, and many other numbers on various plants. 



* Diplodia Corchori. Besm. — On Kerria japonica. Massachu- 

 setts, Russell. No. 5449. Car. Inf. No. 3229. 



419 (bis). Diplodia paupercula. B. ^ Br. — Peritheciis minutis 

 punctiformibus, sporis minoribus. D. qvisquiliarum, B. & C. 



On twigs of honeysuckle and other plants. Car. Inf. No. 

 1067, 3752, 



Perithecia punctiform ; spores oblong or subobovate, '0004 long, 

 half as much wide. 



* Diplodia smilaoina. B. — On Smilax rotiindifoUa. Ohio. On 

 Smilax tamnoides. Car. Sup. No. 308. 



