196 CHAETOPHORACEAE 
Draparnaldia laxa Bory, Dict. class. d’hist. nat. 5: 614. 
1824. 
Draparnaldia lubrica Crouan, Flor. Finist. 128. 1867. 
Stigeoclonium lubricum Kitz. Phyc. German. 198. 1845 ; Spec. 
Ale. $54. 1840; Tab, Phye. 3: gf. 6. fJ. s. 1853. Rabenh. 
Krypt. Flor. Sachs. 1: 267. 1863.  Kickx, Flore Crypt. Fland. 
3: 413. 1867. Berthold, Nov. Act. 40: A Ze Ee 71, 12, 14. 
1878. 
Stigeoclonium tenue lubricum Rabenh. Flor. Eur. Alg. 3: 377. 
1868. Kirchn. Krypt. Flor. Schles. 2': 68. 1878.  Hansg. Prod. 
Ale Bohm. 1 : 66. 1886. Wolle, F. W. Alg. 111. 1887. DeToni, 
Syll. Ale 1: 197. 1889. De Wild. Flor. Ale 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 p in di- 
ameter, 24-2 (rarely 2-4) times as long, containing a broad girdle- 
like chromatophore; diameter of branchlets 6-7 p, the cells 
equal to or shorter than the diameter (5. 28, f. 7, 2). 
Exsic. : Phyc. Bor. Am. 866, Malden, Mass., April 29, 1901. 
(F. S. Collins). 
In brooks and watering-troughs, on stones, sticks, etc. 
MassacHusETTS: Haverhill, April (554); Malden, cemetery, 
April (551, station same as of P. B. A. $66 
CONNECTICUT : Watertown, May (564); 1 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 (85A, 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 
