106 NOTICES OF NORTH AMERICAN FUNGI. 



Orbicular, placentajform, containing numerous cells, asci oblong; 

 sporidia immature. 



* Dothioxa pyrenophoxa. Fr. — On Pyrus Americana. Moun- 

 tains. Car, Sup. No. 4463. 



* Sphaexia coxticium. Sclmein.— 0\\ oak. Car. Sup. No. 706. 

 New York, Leveille. 



In original specimens sporidia cymbseform ; •0011 long. In the 

 Carolina specimens the byssus is not so red as in the original and 

 Leveille's specimens. 



* Sphaexia aquila. i^r.— Car. Sup. No. 107, 303. On ash. No. 

 769. Car. Inf. On oak. No. 6022. On Cornus florida. No. 

 4972. Ohio. 



* Sphaexia Desmaziexii. B. S( Br. — " Cooke Handb.," p. 854. 



On birch. Maine, Res^. J. Blake. No. 6345. Pennsylvania, 

 Michener. On Cornus Jlorida. No. 4880, 



* Sphaexia foveolata. B. <Sf <7.— " Journ. Linn. Soc," x., p. 387. 

 On prostrate branches. Car. Inf. Eavenel. No. 1358. 

 Sporidia shaped like seeds of a Vero7iica, 



* Sphaexia acanthostxoma. 3Jo7it. — On Acer, oak and Myrica 

 cerifera. Car. Inf. Ravenel. No. 1320, 1361, 1638, 1829. 

 Pennsylvania, Michener. 



* Sphaexia txistis. Tor^e;.— Car. Inf. No. 1599. New England. 

 Sprague. No. 5843. 



* Sphaexia phaestxoma. M. d: Btir.—Cnv. Int No. ^569, 2797. 

 Oxi. Ulmus Americana. Ravenel. No. 1857. Sporidia triseptate, 



the two central articulations dark, "00125. --00] 6 long. 



890. Sphexia pezizula. B. Sc C. — Peritheciis cupularibus in bys- 

 sum floccosam nigram insidens ; ascis clavatis ; sporidiis oblongo- 

 linearibus curvis pluriseptatis. Car. Inf. No. 1774. Ravenel. 

 No. 1344. New Jersey. No. 4694. 



Perithecia cup-shaped seated on a thin byssus ; asci clavate ; 

 sporidia linear-oblong, about 7-septate. The New Jersey plant 

 differs in having the sporidia clavate with about seven septa, 

 •0013 long. 



891. Sphaexia papilionacea. B. Sf C — Peritheciis minutis in bys- 

 sum compactam tenuem insidentibus apice niveis. 



On leaves apparently of some rosaceous plant. Car. Inf. No. 

 6381. Ravenel. No. 1927. 



Perithecia minute, seated on a thin compact byssus, their tips 

 white. 



892. Sphaexia Russellii. B. ^ C— Peritheciis minutis demum 

 collapsis in byssum compactam tenuem insidentibus. 



On leaves of Mesinlns^ Massachusetts, Russell. No. 6399. 

 Perithecia minute, at length collapsed, seated on a thin byssus, 

 consisting of intricate threads which cover the whole under surface 



