NOTICES OF NORTH AMERICAN FUNGI. 145 



cuticle ; asci clavate ; sporidia oblongo- fusiform, triseptate, the 

 two middle articulations shorter than the two terminal ones. No. 

 £748, 4999. Car. Inf. On Erianthus alopecurvides appears to be 

 the same, but it is without fruit. 



923. Sphaeria eumorpha. B. ^ C— Linearis chidermide arete 

 cincta, rima angusta aperta ; ascis linearibus, sporidiis oblongis 

 unisejDtatis. 



On Arunclinaria. Car. Inf. No. 5014. Linear, closely sur- 

 rounded by the cuticle, opening with a narrow slit; asci linear ; 

 sporidia uniseriate, shortly oblong or subcymbiform, '0005 long, 

 uniseptate. A broader and stronger species than the last. There is 

 another distinct species on Arundinaria from Alabama, but indes- 

 cribable, without sporidia. 



* Sphaeria arundinacea. Sow. — On Arundinaria. Car. Lif. 

 No. 493. 



Sporidia biseriate, obliquely fusiform, 5-septata, '001 long. 



• Sphaexia Zeae. Selmein. — On Zea. Car. Sup. No. 372. 

 Sporidia oblong or narrower below, uniseptate, "001 long, 



924. Sphaexia Zizaniaecola. B. <^ C. — On onenino sepulta leviter 

 tumens ; ascis ellipticis, sporidiis linearibus rectis vel sigmoideis, 

 5-6-septatis. S. rimosa^ Schwein. Herb. 



On Zizania, forming little swollen patches, slightly discolouring 

 the cuticle ; asci elliptic, containing four linear straight or sigmoid 

 5-6 septate sporidia, -0013-005 long. 



925. Sphaexia Beauxnontii. B. (^ C. — Lineario brevis erumpens, 

 axis elongatis clavatis, sporidiis biserialibus linearibus multiseptatis. 



On stalks of some grass. Alabama, Beaumont. No. 5112. 



Forming little short black lines, bursting through the cuticle ; 

 asci elongated, clavate ; sporidia linear, sometimes oblique, with 

 about nine septa, and a nucleus in each joint, -002 long. 



926. Sphaexia Ftexidicoli. B. Sf C. — Linearis subcuticularis ascis 

 clavatis, sporidiis oblongis curvuhs nniseptatis. 



On stalks of Pteris, forming little grey parallel lines, covered 

 with the cuticle ; asci clavato ; sporidia _ oblong, slightly curved, 

 obtuse at either end, uniseptate, -0006 long. 



927. Sphaexia juncina. B. <& iZ.— Irregularis ostiolis punctata, 

 sporidiis oblongis uniseptatis, medio snbconstrictis. 



On Jinicus. Car. Inf. Raven el. No. 1217. 



Forming little discoloured patches, which are studded with the 

 ostiola ; sporidia oblong, uniseptate, constricted slightly at the 

 septum. Very different from S. Junco, with its elliptic binucleate 

 sporidia, •0003--0004 long. 



* Sphaexia Junci. i^r.— Car. Inf. No. 3061. S. longissimay 

 Fr. On Archemora ternata. Car. Sup. No. 957, and S. nebulosa, 

 P. On Ambrosia tripida. Car, Sup. No. 788, are apparently 

 Phomata. 



