BULLETIN OF THE BUSSEY INSTITUTION, 437 
ASCOMYCETES. 
Sub-order. Perisporiacee. 
SpHa@ROTHECA CASTAGNEI, Lev. On Bidens: frondosa, Taraxacum, 
and Spirea opulifolia. Near Boston. Common. 
PHYLLACTINIA GUTTATA, Lev. On Quercus, Alnus, Corylus, and Car- 
pinus leaves. Very common. Also on barberry-leaves. Newton. 
UncintLa ADuNCA, Ley. On willow-leaves. Common. 
UNCINULA SPIRALIS, B. & C. On grape-vines, Amherst, Mass. 
UNCINULA CIRCINATA, C. & P. On leaves of Acer rubrum. Common 
near Boston. 
PopospH2ZRA Kunze, Ley. On Spirea salicifolia and S. tomentosa, 
and on different species of Prunus. Common. 
MicrospuH2ria Russevyit, Clinton. On Oxalis stricta. Newton. 
MicrospH@RIA EXTENSA, C. & P. On oak-leaves, near Bussey Inst. 
MiIcrospH2®RIA PULCHRA, ©. & P. On Cornus alternifolia. Common 
near Boston. 
MicrospHazriA Hepwier, Lev. On Sambucus Canadensis, near 
Bussey Inst. 
MIcROSPHARIA PENICILLATA, Levy. On Carpinus, near Bussey Inst. 
MicrospH#riA Friesu, Lev. On Syringa vulgaris. Common near 
Boston. 
EryYsIPHE LAMPROCARPA, Lev. Common on Composite. 
Erysrpne Martu, Lk. On peas. Bussey Inst. 
ERIsIPHE COMMUNIS, Schl. On Baptisia tinctoria, Ranunculus, Che- 
lone glabra, &&. Common. 
EvROTIUM HERBARIORUM, Lk. Everywhere. 
Sub-order T'uberacee. 
ELAPHOMYCES VARIEGATUS, Vitt. Newton. Rare. 
ELAPHOMYCES GRANULATUS, Fr. Bussey Woods, Jan., 1876. 
PENICILLIUM CRUSTACEUM, Fr. Everywhere. 
Sub-order Helvellacee. 
MorcHELLA ESCULENTA, Pers. Newton. Not very common. 
GEOGLOSSUM HIRSUTUM, Pers. Newton; Wood’s Hole. Common. 
Mirrvuta PALuposA, Fr. Newton. Common. 
LEoTIA LUBRICA, Pers. Common near Boston. 
PEZIZA HEMISPHERICA, Wigg. Wood’s Hole. 
PezizA MAcROpUS, Pers. Newton; Wood’s Hole. 
PEZIZA SCUTELLATA, L. Common near Boston. 
PeEzIZA AURANTIA, Fr. Common on the ground near Boston. 
PEZIZA ZRUGINOSA, Fr. Common near Boston. 
PEZIZA VULGARIS, Fr. Common near Boston. 
PrEzizA NIVEA, Fr. Common near Boston. 
