52 TWENTY-NINTH REPORT ON THE STATE MUSEUM. 
slender septate threads; capitulum expanded, truncate ; spores ellip-. 
tical, attenuated towards either end. 
Dead branches of apple trees. Center. May. 
Periconia corticaLis C. & P. n. sp. 
Scattered, black; stem erect, rigid, composed of slender septate 
threads which are free at the apex forming a subglobose head and 
bearing at the tips minute globose spores, .00012’ in diameter. 
Bark of Thwja occidentalis. Adirondack Mts. July. 
HeLMINTHOSPORIUM OdsPoRUM Cid. 
Dead stems of grape vines. Watkins. September. 
HEeELMINTHOSPORIUM EPISPHERICUM C. & P. n. sp. 
Flocci rather long, tufted, slender, flexuous, septate, rarely 
branched, blackish-brown ; spores oblong-clavate, three to four sep- 
tate, .002'-.003’ long, truncate at the apex, the second and third cells 
from the top generally more highly colored than the others. 
On some effete Diatrype. Albany. August. (PI. 2, figs. 18-20.) 
Crercospora CaLtLa P. & C. n. sp. 
Spots definite, narrow, oblong, pallid; flocci amphigenous, minutely 
tufted, short, flexuous, somewhat nodulose, not at all or indistinctly 
septate, slightly colored, cinereous or subolivaceous in the mass; 
spores colorless, terminal, at first simple, then elongated and one to 
five-septate, nearly straight, cylindrical or obclavate, .001—003' long. 
Living leaves of Calla palustris. Buffalo. Clinton. August. 
Prronospora premma Ung. 
' Leaves of Anemone Pennsylvanica. Bethlehem. May and June. 
PERONOSPORA EFFUSA (rev. 
Leaves of Chenopodium album. West Albany. August and Sept. 
Ramoutaria Nemopantuis C. & P. n. sp. 
Spots brownish, rather irregular; flocci hypophyllous, fasciculate, 
short, delicate ; spores fusiform or cylindrical, .0008' long, .0002’ broad. 
Living leaves of MWemopanthes Canadensis. Buffalo. Clinton. 
Kasoag. July. 
Poryactis putvinata B. & C. 
Dead trunks and branches of alders. Center. October. 
Orp1um LEucoconium Desm. 
Living rose leaves. Conservatories, Buffalo. Clinton. 
Wild rose leaves. West Albany. July and November. 
