196 ClIAETOPHORACEAE 



Draparnaldia laxa Bory, Diet, class, d'hist. nat. 5: 614. 

 1824. 



Draparnaldia hibrica Crouan, Flor. Finist. 128. 1867. 



Stigeoclonium lubricum Kutz. Phyc. German. 198. 1845 5 Spec. 

 Alg. 354- 1849; Tab. Phyc. 3: pi. 6. f. 1. 1853. Rabenh. 

 Krypt. Flor. Sachs. 1: 267. 1863. Kickx, Flore Crypt. Fland. 

 2: 418. 1867. Berthold, Nov. Act. 40: pi. 15./. 9, 11, /-?, 14. 

 1878. 



Stigeoclonium tenue lubricant Rabenh. Flor. Eur. Alg. 3 : ^yy. 

 1868. Kirchn. Krypt. Flor. Schles. 2 1 : 68. 1878. Hansg. Prod. 

 Alg. B6hm. 1 : 66. 1886. Wolle, F. W. Alg. 1 1 1. 1887. DeToni, 

 Syll. Alg. 1: 197. 1889. De Wild. Flor. Alg. Belg. 44. 

 1896. 



Tufts 5 mm. to 3 dm. long, dark green and shining. Fila- 

 ments much branched ; branches single, opposite, or subverticil- 

 late, frequently two or more pairs approximate, springing from 

 subglobose cells shorter than those of the rest of the filaments : 

 branchlets very numerous, scattered, opposite, or in the upper 

 part of the plant densely fasciculate, slender, usually only slightly 

 tapering, ending in a short point or sometimes setiferous ; lower 

 cells generally somewhat swollen, thick-walled, 14- 16. 5 yt in di- 

 ameter, ^3-2 (rarely 2-4) times as long, containing a broad girdle- 

 like chromatophore ; diameter of branchlets 6-y /Jt, the cells 

 equal to or shorter than the diameter (pi. 28, f. 1, 2). 



Exsic. : Phyc. Bor. Am. 866, Maiden, Mass., April 29, 1901. 

 (F. S. Collins). 



In brooks and watering-troughs, on stones, sticks, etc. 



Massachusetts: Haverhill, April (554); Maiden, cemetery, 

 April (551, station same as of P. B. A. 866). 



Connecticut : Watertown, May (564); Litchfield, May (569B). 



New York: New Rochelle, May (585), November (516, 

 517); West Chester, September (484), November (515); East 

 Chester, May (389); Van Cortlandt Park, September (480); 

 Manhattan, numerous stations, April to October. 



New Jersey : Demarest, October (506) ; Englewood, October 

 (666); Fairview, April (8 5 A, 296); Undercliff, Bergen county, 

 April (85B); Newark, November (514). 



The synonymy gives an intimation of the varied treatment this 

 species has received. Even Agardh was quite uncertain as to its 



