Report of the Botanist. 51 



RlJ^ODINA CONSTANS TucJt. 



Bark of pine trees. New Baltimore. Howe. 



Arthoxia lecideella Ft. 



Bark of liickory trees. New Baltimore. Howe. 



BiATORA Hypxopiiila TucJc. 



Incrusting mosses. Helderberg Mts. 



BUELLIA GEOGRAPHICA ScTiacr. 



Rocks. Summit of Mt. Marcj and of Mt. Whiteface. 



CaLICIUM SUBTILE PcTS. 



On old hemlock trunks. Helderberg Mts. 



Cajjcium Curtisii TucTc. 



Bark of sumach, Rhus typhina. Helderberg Mts. 



M rcoPORUM PYCNOCARPUM TucTc. 



Bark of trees. New Baltimore. Howe. Sandlake. 



Algae. 



Chorda lomextaria Lb. 



Rocks near low tide limits. Long Island Sound at Green 

 port and Orient. July. 



Desmare.stia aculeata Lamour. 



Flushing Bay, March. G. B. Brainerd. 



Elachista Fucicola Fr. 



On Fuci. Long Island Sound at Greenport and Plum Island. 



POLTSIPHOXIA SUBCOXTORTA 71. Sp. 



Tufts rigid, two to three inches high, loosely entangled, dark 

 red ; filaments slender, naked below, alternately and subdis- 

 tantly branched above ; branches short, subequal, naked at the 

 base, much branched above and expanded into a rigid, sub- 

 squarrose bushy tuft of ramuli which are subfusiform and 

 more or less curved or contorted ; tubes four, surrounding a 

 small central one ; articulations of the leading filaments six 

 to ten times, of the branches two to four times their breadth, 

 those of the ramuli shorter than broad ; tetraspores in the 

 swollen part of the ramuli. 



The filaments are about as thick as hog bristles, nearly equal 

 in thickness throughout, constituting a leading stem, with its 



