344 Cushman : New England Saccodermae 



England genera and species. While this is based upon the New 

 England species actually seen, it nevertheless will largely apply 

 to the northeastern United States. 



Tribe Gonatozygae 



GONATOZYGON DeBary. 1856 



1. Gonatozygon monotaenium DeBary, in Rabenh. Alg. 339. 



^56. — G. Ralfsii DeBary, Conj. 76. pi. 4. /. 23-25. 1858. 

 — G. asperum Wolle, Desm. U. S. 22. pi. 1. f. 1. 1884. 



Cells cylindrical, the apices slightly dilated ; cell-wall usually 

 with spinose granules. 



Length 240-260//: breadth 10-22 fi. 



Me. : (W. West). N. H. : Pudding pond, North Conway, rare ! 

 Holderness, scarce (Wests). Mass. : Carver's Pond, Bridgewater ! 



* Gonatozygon monotaenium minutum var. nov. 



Variety very much smaller than the typical form of the species ; 

 other characters like the typical. 



59-68 



M 



S. Collins Coll., 



Oct. 9, 1905) ! 



DeBary, Conj. 77. pi. 4. f- 



1858. — G. asperum Johnson, Bull. Torrey Club 22 : 291. pL 



239. f. 8. 1895. 



Cells narrowly cylindric-subfusiform, the poles subcapitate; 

 cell-wall densely granulate. 



Length 112-160/i: breadth 6-8 fi : apices 5.5-7/*. 



Me. : Scarbro' (W. West). N. H. : Laconia (Wests). Mass. : 

 Reading ! 



3. Gonatozygon pilosum Wolle, Bull. Torrey Club 9 : 27. //. 



13. f. 16. 1882. — Desm. U. S. 32. //. /. /. 2. 1884. 



Cells elongate, cylindrical, usually not dilated at the apices ; 

 cell-wall clothed with small, straight, hair-like spines. 



Length 390//: breadth 12.5 /x 



Mass. : Pondville ! Conn. : Lamp Mortar Rock, Fairfield 

 ( Wests). 



