48 
RAVENEl/s AMERICAN FUNGI. 
PHILLIPSIELLA. Gen. nov. 
Prirno globosa, pertusa, demum applanata, velo membranaceo 
tecta, excipulo membranaceo ; ascis saccatis ; sporidiis hyalinis, 
absque paraphysibus. 
Phillipsiella atra. Gke. 
Epiphylla, punctiformis, atra; disco fuligineo ; sporidiis ellip- 
ticis, biseriatis, hyalinis ( - 013 x *004 mm.). 
On leaves of Quercus vivens. Darien, Georgia (2501). 
This genus is dedicated to W. Phillips, of Shrewsbury, an 
earnest worker at the Discomycetes. This is a low form of Disco- 
mycetes, removed from Ascomyces by the presence of a mem- 
branaceous excipulum, on which the asci are seated, without any 
intermediate cellular stratum. At first it resembles a small 
Sphceria pierced at the apex, but is afterwards expanded. 
Dermatea Magnoliae. b. $ a. 
On Magnolia. Darien, Georgia (2510). 
Agyrium rufum. Pers. 
On Juniperus. Darien (2533). 
Fhacidium dentatum. Fr. 
(Stylospores ) 
On oak leaves. Aiken, S. Car. (2575). 
Dichaena faginea. Fr. 
On Fagus. N. Hampshire. 
Eustegia Magnoliae. Rav. 
On leaves of M. glauca (2542). 
Rhytisma Austin!. Cke. 
Tenue, convexum, atrum, nitidum, rugulosum, hinc illic fertile ; 
ascis clavatis ; sporidiis ellipticis, hyalinis (*02 x '01 mm.). 
On leaves. Cotoosa, Fla. (Austin), 2559. 
Resembling R. tostum , but smaller. 
Rhytisma tostum. B. Sf G. 
On oak leaf. Darien (2468). 
Rhytisma Curtisii. B. 
On leaves of Ilex. Darien, Georgia (2487). 
Triblidium rufulum. Spr. 
On Rhus. Darien (2458). 
On Morus. Darien. 
Kysterium putaminum. Cke. 
Gregarium, vel sparsum, atrum. Peritheciis ellipticis, obtusis, 
labiis rigescentibus ; ascis clavatis ; sporidiis biseriatis, ellipticis, 
triseptatis, hinc illic divisis, fuscis (’025 X '012 mm.). 
On peach stones. Aiken, S. Car. (2603). 
A very curious and interesting little species, not larger than a 
denudate Sphceria. 
Hysterium Cyrillae. B. Sc C. 
On twigs. Darien (171c). 
Hysterium (Lophodermium) maculare. Fr. 
On Liriodendron leaves. Stylospores. Aiken, S. Car. (2600). 
On Persea Carolinensis. Darien, Georgia (2545). 
