52 Twenty-third Report on the State Cabinet. 



articulations distinct and very long toward tUe base, and giv- 

 ing out its branches, wliich are four or live lines long, at inter- 

 vals of three or four lines. The plant becomes blackish in dry- 

 ing, and does not adhere closely to paper. In size, consist- 

 ency and coloration, this species resembles P. fastigiata, but in 

 ramification, number of tubes, length of articulations, etc., 

 it is far removed from that species. 



Eocks near low-water mark. Long Island Sound at Green- 

 port and Orient. July. 



Nemalion multifidum J. Ag. 



Rocks near low- water mark. Long Island Sound at Green- 

 port and Orient. July. 



Callithamniois' ceuciatum Ag. 



Brooklyn Basin and Fort Hamilton. November-February. 

 Br a i nerd. 



Callithamnion vikgatulum Hari). 

 On Zostera. Shelter Island. July. 



Cladophoea uncialis F. Dan. 



Rocks near low- water mark. Long Island Sound at Green 

 port and Orient. July. 



Calotiirix confervicola Ag. 

 On algse. Greenport. July. 



Lyngbya flacca Ag. 



Astoria. April . Brainerd. 



HYDRODICTYOJSi UTRICULATUM Ag. 



Hudson River below Albany. September. 



Fungi. 

 Favolus Europ^us Fr. 



On dead branches. Fort Edward. Howe. Greenbush. 

 June. It resembles Polyporus Bouclieanus. 



POLYPORUS SALICINUS, Fr. 



On prostrate trunks of white birches. Helderberg Mts. 

 June. 



PoLYPORUS ULMARIUS Ft. 



On the trunks of birches. Sandlake. April. 



Hydnum imbricatum L. 



Ground in open woods and groves. New Baltimore. Howe. 

 Sandlake. July and August. Edible. 



