Report of the Botanist. 87 



ostiole at length piercing the epidermis ; spores black, sliining, 

 elliptical-oblong, triseptate, .002' long, oozing out and staining the 

 bark black. 



Fallen branches of Platanus occldentalis. Buffalo. Clinton. 

 Bethlehem. April. 



This closely resembles Massaria atroin qui nans B. & C, of 

 which it may prove to be a form. 



Hendersonia Sambuci n. sp. 



Perithecia numerous, scattered, minute, black, at first covered 

 by the epidermis, then piercing it ; spores elliptical oblong, colored, 

 triseptate, .0005' long, .0002' broad. 



Dead stems of Samhitcus puhens. Knowersville, Albany county. 

 May. 



The immature spores are uniseptate. 



Darluca filum Cast. 



Various Uredines and Uromyces Junci. Poughkeepsic. Gerard. 

 Albany. June. 



Septoria mirabilis n. sp. 



Spots yellow or brown, angular, limited by the veinlets of the 

 leaves; perithecia hypogenous, minute, opening by a circular 

 orifice, pallid or yellowish ; tendrils long, slender, fragile, several 

 from the same perithecium, white ; spores large, simple, oblong- 

 obovate or subfusiform, .0013' to .0016' long, .0005' broad. 



Fronds of Onoclea sensibilis. Sandlake. September. 



This species is remarkable for the plurality of its tendrils and 

 the size and shape of its spores. The spores are generally more 

 pointed at one end than at the other. 



Septoria acerina n. sp. 



Spots brown or yellow with a brown center, mostly angular; 

 perithecia variable in size and shape, collapsed when dry ; spores 

 filiform, curved, simple or very obscurely septate, .0013' to 

 .0016' long. 



Upper surface of leaves of the striped maple. Keene, Essex 

 county. July. 



Sterile specimens are common but the fertile form is rare. This 

 is distinct from S. Aceris B. & Br. 



Septoria salicina n. sp. 



Spots suborbicular, brown with an arid center ; perithecia small, 

 brown, pezizoid when dry ; spores filiform, curved, very unequal 

 in length, obscurely two to four septate, .0016' to .0026' long. 

 Upper surface of leaves of Salix lucida. Keene. July. 



