63 



Exol)asidium Azaleae, Peck. 



Gall subglobose, often lobed or irregular, Bucculent, fleshy, polid, smooth 

 pale green or glaucous becoming pruinose ; spores oblong, straight or curved, 

 obscurely uniseptate, white, .0006'-.0008' long. 



Terminal on living twigs of the pinxter plant, Azalea nudifiora, 

 transforming the flower buds. 



North Greenbush and New Scotland. May and June. 



Exobasidium Andromedae, Pech. 



Gall flattened or somewhat cup shaped, more or less lobed, smooth, pale 

 green or green varied with red, becoming paler and pruinose with age, hollow, 

 the cavity containing shreds of loose soft cottony filaments ; spores narrow, 

 oblong, simple, often curved near one end, white, .0007'-.0009' long. 



Lateral on living branches of Andromeda Ugustri?ia, transform- 

 ing the leaf buds. 



Center. May and June. 



GASTEROMYCETES. 



Lycoperdon pedicellatum, Peck. 



Subpyriform, whitish, the outer peridium persistent, forming dense angular 

 spinose processes which are smaller toward the base of the plant ; capillitiuni 

 and spores greenisli ochre or dingy olivaceous ; spores smooth, pedicellate, 

 globose, .00016'-.00018' in diameter, the pedicel three to five times as long. 

 ' Ground and rotten wood. Croghan and Center. September and 

 October. 



The spores resemble those of species of Bovista. 



Diderma crustaceum, Peck. 



Efl'used or circumambient, crowded, sessile, subglobose, smooth, white, outer 

 peridium crustaceous, resembling the shell of some small egg, the inner deli- 

 cate, appearing cinereous to the naked eye, iridescent under the microscope ; 

 columella none ; spores globose, black, .0005' in diameter. 



Diderma farinaceuin, Peck. 



Effused or circumambient, crowded, sessile, subglobose, plumbeous when 

 moist or young, white rugulose and farinaceous when dry ; spores globose, 

 brown, black in the mass, .0004' in diameter. 



Incrusting mosses and fern stems in low woods. Croghan. Sep- 

 tember. 



