50 NOTICES OF NORTH AMERICAN FUNGI. 



On plane. New England, Spragne. No. 6322. 



Effused, black ; spores globoso-depressed, sometimes irregular, 

 with a few short radiating fibres at the base. No. 3054, Car. Inf., 

 on Baccharis, seems to be an early state of the same species. 



531. Sporidesmium chaztaxum. B. 4" C— Maculis concentricis ; 

 sporis ellipticis triseptatis, iterumque verticaliter divisis. Macro- 

 simrium chartarum, Curt. 



On decayed paper. Hillsborough. Car. Sup. No. 6419. 



Forming little round velvety patches, which are made vip of con- 

 centric flat spots ; spores elliptic, with a short rather thick hyaline 

 pedicel, at first horizontally septate, then divided vertically. In the 

 first there are distinct nuclei, but not in the second. 



532. Spozidesmium sticticum. B. Sf C— Punctiforme ; sporis 

 oblongis triseptatis e basi cellulosa hyalina oriundis. 



On the under side of plane leaves. Car. Sup. No. 661. 



Dot-shaped, very minute ; spores collected in little fascicles, tri- 

 septate, oblong, nucleate, arising from a number of pedicels crowded 

 into a common mass. 



* Spozidesmium concinnum. B. — On dead wood. Car. Inf. No. 

 2268, 2269. Car. Sup. Ravenel. No. 1015. Ohio. 



533. Spozidesmium fusus. B. if C. — Punctiforme ; sporis fusi- 

 formibus multiseptatis. 



On wood of Magnolia acuminata. 



Dot-shaped, black ; spores spindle shaped, "003 long, acuminated 

 at either end, with many horizontal vertical and oblique septa. 



534. Spozidesmium asteziscus. B. Sf C— iBunctiforme ; sporis 

 liguliformibus e duplici serie cellularum compositis. 



On leaves of Pi/cnanthemum. Car. Inf. No. 1460. 

 Very minuter dot-shaped ; spores radiating, strap-shaped, 

 minutely pedicellate, composed of a double row of cells. 



535. Spozidesmium epiphyllum. J5. d- C. — Punctiforme ; sporis 

 utrinque longe attenuatis sursum curvatis multiseptatis. Coryneum 

 epiphyllum, Schwein. 



On leaves of chestnut. 



Dot-shaped ; spores flexuous, attenuated below into a slender 

 pedicel, above into a long hyaline curved process, "006 long; septa 

 horizontal ; enucleate. 



* Spozidesmium adscendens. B. Fungi of the Beagle. On 

 oak. Car. Inf. No. 2415. On Nyssa. No. 2170. 



536. Spozidesmium cuzvatum. B. Sf C— Punctiforme, conges- 

 tum ; sporis curvatis deorsum, sursum subfusiformibus multisep- 

 tatis. 



On leaves of Cratcegus. Car. Sup. No. 2561. 



Dot-shaped, crowded ; spores curved below, somewhat fusiform 

 above, with numerous horizontal septa at the base, and divided ver- 

 tically above. This is very like S. vagum, Nees, Cd., and I should 



