REPORT OF THE BOTANIST. 109 
DoTHIDEA DALIBARD 7. Sp. 
Spots small, scattered, suborbicular, reddish-brown ; 
stroma central, uneven, prominent on both surfaces, black ; 
ostiola obscnre ; asci clavate; spores crowded, simple, sub- 
fusiform, nearly coloriess, .0005’—.0006’ long. 
Living leaves of Dalibarda repens. Forestburgh. Sept. 
(Plate 1, figs. 7-9). 
DIATRYPE PLATASCA 2. Sp. 
Stroma suborbicular, rather small, erumpent, black ; 
ostiola long, slender, often slightly curved, cylindrical; asci 
oblong or subfusiform, very broad ; spores crowded, color- 
less, oblong, uniseptate, quadrinucleate, .0005’-.0006’ long. 
Dead birch branches. Adirondack Mts. August. 
The long slender ostiola and very broad asci are charac- 
teristic features of this species. It seems to be related to D. 
incarcerata. 
DIATRYPE CORNICULATA Ek7h. 
Dead bark of ash trees. Sandlake. August. 
VALSA IMPULSA C..& P. 
Erumpent; stroma suberose, formed from the bark ; 
perithecia eight to twelve, clustered, globose, black ; ostiola 
long, smooth, black ; asci cylindrical ; spores fusiform, uni- 
septate, hyaline, each cell binucleate, .0008’ long, .0003’ 
broad. 
Dead branches of mountain ash. Adirondack Mts. 
August. 
VALSA SUBCLYPEATA C. & P. 
Perithecia three or four together, forming pustules beneath 
the elevated black shining epidermis which is at length 
lacerated, the torn edge becoming whitish ; ostiola conver- 
gent, just piercing the ruptured epidermis ; asci narrowly 
fusiform; spores linear, minute, rounded at the ends, 
Slightly curved, hyaline. 
m Dead branches of oak and Rhododendron. Forestburgh. 
ept. 
Vasa Prckit Howe. 
Perithecia numerous, crowded together, sunk in the wood ; 
‘ostiola subcylindrical, obtuse, crowded, erumpent, black, 
