240 Rhodora [December 



COSMOCLADIUM Breb. 



*C. saxonicum DeBary, Flora 48: 321. pi 1, f. IS. 1865. 

 Branford (Carter). 



SPHAEROZOSMA Corda 



S. pulchrum Bailey in Ralfs, Brit. Desm. 209. pi. 35, f. 2. 1848. 

 Middlebury, Middletown (Conn, see 2, p. 65). 



S. spinulosum Delp. Mem. R. Accad. Sci. Torino II. 28: 78. 1876. 

 Middletown (Conn, see 2, p. 65), Suffield. 



ONYCHONEMA Wallich 



O. filiforme (Ehrenb.) Roy & Bissett. Bridgeport (Johnson, 

 6, p. 286), Middlebury, Middletown (Conn, see 2, p. 64, as Sphae- 

 rozosma), Morris, Thomaston. 



O. laeve Nordst. Vidensk. Medd. Foren. Kjobenhavn 1869: 209. 

 pi. 3, f. 34. 1870. Bethlehem, Bridgeport (Johnson, 5, p. 286), 

 Middlebury, Middletown (Conn, see 2, p. 65), Morris, Washington. 



SPONDYLOSIUM Breb. 



S. papillosum West & G. S. West, Trans. Linn. Soc. Bot. II. 5: 41. 

 pi. 9, /. 19. 1895. Bethlehem, Middletown (Conn, see 2, p. 65,) 

 Morris, Orange, Plymouth. 



*S. planum (Wolle) West & G. S. West, Per. Plank. 430. pi. 19, 

 f. 5-8. 1912. Killingworth, Thomaston, Washington, Watertown. 



**S. pygmaeum (Cooke) West, Jour. Linn. Soc. Bot. 29: 116. 1892. 

 Thomaston. 



HYALOTHECA Ehrenb. 



H. dissiliens (Smith) Breb. in Rail's, Brit. Desm. 51. pi. 1 , f. I. 

 1848. Bethlehem, Hamden (b), Guilford, Hamden (Carter & Evans), 

 Litchfield (a), Madison, Middlebury, Middletown (Conn, see 2, p. 65), 

 New Haven (6), North Branford (a), Plymouth, Washington. 



H. undulata Nordst. Bridgeport (Johnson, 5, p. 286). 



DESMIDIUM Ag. 



*D. aptogonum Breb. Mem. Soc. Acad. Falaise 1836: 268. 1835. 

 Hamden (b), Middlebury, Washington. 



*fD. Baileyi (Ralfs) Wolle, Desm. U. S. 27. pi. 2, f. 8-12. 1884. 

 Bethlehem, Plymouth, Suffield. 



