37° BOTANICAL GAZETTE [MAY 
which, as with the Hypocreacee3, they have at different times been 
classified : 
“Perithecia vertical, elongated or clavate, sessile or stalked, leath- 
ery. Asci filiform, eight-spored. Spores crowded together, parallel, 
filiform.” 
So far as could be determined there have been only sixteen species 
described, of which three are doubtful. The following eight are 
recorded from America : 
ACROSPERMUM COMPRESSUM Tode Fung. Meckl. 1: 8. p/. 2. f. 13: 
1790. On Cucurbitacee, Pisum, Urtica dioica, and Umbellifere ; 
also on various grasses and leaves of Olea. 
ACROSPERMUM GRAMINUM Lib. Exs. Ard. n. 33. Corda. Ic. Fung. 
3: 27.f.73. 1839. On Poa, Festuca, Calamagrostis, Triticum, etc. 
ACROSPERMUM RAVENELII B. & C.  Grev. 4: 161. 1876. On Cercis, 
Vitis, and Fraxinus. 
ACROSPERMUM FOLIICOLUM Berk. Grev. 4:161. 1876. On Ulmus 
and Celtis, Vitis, and Smilax. 
ACROSPERMUM VIRIDULUM B. & C. Grev. 4: 161. 1876. On stems of 
dead shrubs and herbs, and on leaves of Pyrus communis, Hicoria and 
Quercus. 
ACROSPERMUM CORRUGATUM Ell. Bull. Torr. Bot. Club. 8: 124. 1881- 
On decayed wood and Umbellularia. 
ACROSPERMUM FULTUM Harkn. New Calif. Fungi 26. 
‘ptus. 
oe 
_ ACROSPERMUM ALBUM Peck. 32d Rep. N. Y. Mus. Nat. Hist. 38- 
1879. On Aralia racemosa. 
The herbarium material studied for comparison includes the follow- 
ing species: ACROSPERMUM COMPRESSUM Tode (Ellis, North Amer. 
Fungi, no. 1318, on Cinna arundinacea; C. Rouméguére, Fungt Gallict 
exsiccati, no. 1851, on Urtica dioica; Krieger, Fungi Saxontct, no. 438, 
on Lunaria rediviva), ACROSPERMUM CoNICUM Fries (Religuie Mouge 
_ otiane, no. 24, on Sonchus alpinus); ACROSPERMUM CORRUGATUM Ell. 
sme and Everhart, — Amer. Fungi, no. 2055, on Umbellularia 
B. and C. (Ellis and Everhart, 
7, , no. on, on leaves of Ulmus; no. 2149, on Con 
SPERMUM. oe Lib. (Sydow crane tet o 
r. Fungi, no. aoe on Pyrus communis). 
-SELus and Even, North Amer. guemosiarecys 58. icone 
