8 NOTICES OF NORTH AMERICAN FUNGI. 



778. Phacidium simulatum. B. ^ C— Hysteriiforme ; ascis 

 clavatis, sporidiis obovatis binucleatis. 



On dead stems oi Clinopodium^ looking like an Hysterium, black; 

 asci clavate ; spores obovate, binucleate, '0004 long. 



* Phacidium exaspexans. Scliwein. — On leaves of /la/mza. Penn- 

 sylvania, Michener. No. 4347. 



779. Phacidium elegantissimum. B. ^- C— In maculas orbicu- 

 lares albas nigrocinctas situni punctiforme angulatum. 



On leaves of holly. Alabama, Peters. 



Seated on white orbicular black-margined spots, minute, angular. 

 An extremely pretty species, but unfortunately I have found no 

 fruit. 



* Phacidium dentatum. Kae. — On leaves of Quercus ohtnsifolia. 

 Car. Inf. Ravenel. No. 1629. On Quercus nigra. No. 4971, 

 Texas, C. Wright. No. 3909. 



Eustegia magnolicB. Ravenel. No. 1356. Has no asci but long 

 filiform stylospores. 



* Rhytisma acexinum. P. — Car. Inf. Ravenel. No. 632. On 

 Acer ruhrum. Car. Inf. No. 2225. 



* Rhytisma solidaginis. Sclmein. — On Solidago leptocephala. 

 Louisiana. No. 2571. On Sol. cassia. New York, Sartwell, 

 Miss Murray. On Aster gracilis. New Jersey. No. 2778. No. 

 3460. 



* Rhytisma punctatum.. Fr. — On Acer spicatum. New York, 

 Sartwell. No. 3450. Ohio. 



* Rhytisma vitis. ScJiwein.—Qax. Sup. No.* 688. 



* Rhytisma ilicincola. Schivcin. — On Ilex prinoides. Car. Inf. 

 No. 2255. Santee Canal, Ravenel. No. 1626. 



* Rhytisma pxini. Schwein. — On leaves of Prinus. Car. Inf. 

 No. 2254. 



Scarcely differs from the last. 



* Rhytisma Xlicis-Canadensis. &7;wi3fK.— Canada, Poe. 

 The same remark applies to this specimen. 



* Rhytisma Audromedae. i^r.— Canada, Poe. No. 6159. 



* Rhytisma vaccinii. Sclimein. — On Vaccinium arloreum. Car. 

 Sup. No. 702. Ravenel. No. 493. 



780. Rhytisma Cuztisii. B. Sf i?at?.— Crassum elevatum^ nitidum 

 dentato-apertum disco aurantio ; paraphysibus longis filiformibus 

 sursum curvatis, sporidiis biseriatis clavatis. 



On leaves of Ilex opaca. Car. Inf. 1054, 2045. Ravenel. 



Rather thick, raised, shining, black, opening by triangular lacini^ ; 

 disc orange ; paraphyses long, slender, curved abpve ; sporidia 

 biseriate, clavate, much attenuated downwards, hyaline. 



* Rhytisma maximum. Fr.—On Cornus. Alabama, Peters. 

 No. 4571. 



