98 NOTICES OF NORTH AMERICAN FUNGI. 



* Melogzamma IXEelise. Schwein. — Car. Inf. No. 2679, 1615. 



Ravenel. No. 597, 1811. 



* Melogzamma Calycanthi. Schwein. — Car. Inf. No. 3704. 



* IKEelogxamma rhizogenum. B. Hook Lond. Journ, 1845, p. 

 312. 



On Gleditscliia. Car. Sup. No. 1788. 

 Sporidia elliptic. 



* IMCelogiramma ambiguum. Schwein. — On Rhus copallina. Car.' 

 Inf. No. 1132, 2770. Ravenel. No. 939, 1788, 1791. On Rhus 

 radicans. No. 157. 



Sporidia hyaline, cymba3form, -0015 long. 



859. Melogramma horizontale. B.S; <7.— Transversim erumpens ; 

 peritheciis subtiliter pulverulentis ; ascis clavatis amplis ; sporidiis 

 fusiformibus hyalinis. 



On Gossi/phnn. Car. Inf. No. 1892. Ravenel. No. 588. 

 Bursting the bark transversely ; perithecia minutely pulverulent ; 

 asci large, clavate ; sporidia hyaline fusiform. 



* Melogramma Gleditschiae . /Sc/«i'eira.— Pennsylvania, Michener. 

 No. 3943. 



Very distinct from the 31. ■rhizogenum. 



* Melogramma Hibisci. Schwein.— Car. Inf. No. 1486. On 

 Hibiscus /Si/riacus. 



* IKCelogxamma Van Vleckii. Schwein. — On Bignonia radicans. 

 Pennsylvania, Michener. No. 6009. 



Sporidia narrow, fusiform, hyaline, "0006 long. , 



Schweinitz' original specimen is probably the stylosporous state. 



860. Melogrammagzaphideum. i?. 4' ^av.— Breve graphideum 

 cortice marginatum ; sporidiis breviter fusiformibus hyalinis. 



On Myrica ccrifera. 



Looks at first sight like a Licben, as tlie strata are of various 

 stapes, triangular, sinuated, &c., and surrounded by the rigid 

 border of the bark ; sporidia shortly fusiform, hyaline, "0008 long. 



There are other allied forms in the collection. On Cratcegus 

 cordata, Pennsylvania, No. 3509, with cymbajform spoVidia, -0008 

 long ; on Cercis Canadensis, No. 795, Car. Sup., with similar 

 sporidia; on Cyrilla, Car. Inf., No. 2189, and several which seem 

 externally distinct, but without fruit, especially Car. Inf., No. 

 1139, on Magnolia glauca, 



861. Melogramma dichaenoides. B. ^ C. — Maculis ostiolis 

 conicis rugosis exasperatis ; sporidiis oblongis obtusis uniseptatis. 



On oak. Alabama, Beaumont. No. 4662. 



Looks at first sight like a Dichcena ; spots bursting out trans- 

 versely, but generally orbicular, very rough with the conical rugose 

 pulverulent ostiola ; asci clavate ; sporidia hyaline in one or some- 

 times two rows, oblong, sometimes narrower below, obtuse, '001 long. 



862. Melogxamma subaquilum. B. ^ C— Peritheciis paucis 



