160 NOTICES OF NOKTH AMERICAN FUNGI. 



994. Uncinula subfusca. B. Sc C. — Peritlieciis in maculas albas 

 farinaceas insidentibus ; appendicibus longioribus basi subfuscis. 



On leaves of Ampelopsis quinquefolia. 



Perithecia seated on mealy spots, smaller than in the last ; ap- 

 pendages more than twice as long as their diameter, brownish 

 below, almost spirally twisted at the apex, about 16 ; asci short; 

 sporidia about six. 



995. Uncinula intermedia. B. Sf C. — Peritlieciis in maculam 

 lataui candidam insidentibus ; appendicibus plurimis ; sporidiis 

 majoribus. 



On leaves of elm. Alabama, Beaimiont. No. 4853. 



Spots broad, white ; perithecia black, surrounded by numerous 

 appendages (more than 30), spiral at the apices ; sporidia tbree, 

 elliptic, 



* MicrosphsexiaGirossulairiae. Lci\ — On Samhucus Canadensis. 

 Pennsylvania, Michener. No. 3482. 



* Micxosphaeria Fziesii. Lei\—OvL lilac leaves. Car. Inf. No. 

 3208. Missouri, Engelman. 



* BXicxosphaexia IVEougeotii. ie';-. — On leaves of Desmodium 

 Dillenii. Pennsylvania, Michener. No- 3517. 



996. Itticrosphaeria semitosta. B. Sf G. — Mycelio parco ; peri- 

 theciis sparsis ; appendicibus deorsum abrupte fuscis ; sporidiis 

 quaternis. 



On leaves of Cephaluntlms. Car. Sup. 



Mycelium sparing ; ap[)endage forked three times, more than 

 twice as long as the diameter of the perithecia ; abruptly brown at 

 the base ; sporidia four. 



997. Microsphaeria Euphoirbiae. B. ^ C. — Mycelio efifuso ; appen- 

 dicibus longissimis lurcatis apicibus furcato-lobatis. 



On leaves of Enphorhia. Car. Inf. No. 2983. Ravenel. No. 

 1125. 



Mycelium ample ; appendages many times longer than the 

 diameter of the perithecia, once or twice forked, then lobed at the 

 tips. 



* IlSicxosphaexia penicillata. Liv. — On oak leaves. Car. Inf. 

 No. 3745. Sporidia from four to eight. On Quercus nigra with 

 Cronartium. Car. Inf. No. 3078. Ravenel. No. 1324. On 

 Quei'cusaquatica, On Lonicera sevipervii^ens. Pennsylvania. No. 

 3423. On Andromeda ligustrina. Car. Inf. No. 2985. On 

 Vibmmum acerifolium. Pennsylvania, Michener. No. 3476. 



998. Microsphsexia Raveneliit B. — Mycelio effuso albido; ap- 

 pendicibus pluries furcatis. 



On leaves of Gleditschia. 



Mycelium effused, dirty white; appendages repeatedly forked 

 towards the apex, much more so than in the last. 



