THE ALGAE OF BERMUDA. 149 



March, Old Ferry, April, Hervey; Castle Harbor, April, Tucker's 

 Town, May, Collins. 



2. H. ECHINOPHTSA Collins & Howe, 1916, p. 180. Dredged in 

 31 fathoms off Bermuda by members of the Challenger Expedition, 

 1873, and reported, Moseley, 1884, p. 117, as Kallymenia reniformis 

 J. Ag. Type and only specimen in herbarium of Royal Botanic 

 Garden, Kew, England. 



3. H. PSEUDOFLORESIA Collins & Howe, 1916, p. 177; P. B.-A., 

 No. 2099; Plate V, fig. 35, plate VI, fig. 36. Faxon; Feb., Farlow; 

 Green Bay, Feb., Shark's Hole, March, Wadsworth; Castle Harbor 

 near Tucker's Town, April, Collins; Walsingham, Jan., Hervey; 

 Aug., H. A. Cross. At Castle Harbor in narrow shaded clefts of 

 rocks, well below low water mark; at Walsingham loose and unat- 

 tached, the older parts darker and coarser than the young growth. 



The three preceding species show some superficial resemblance in 

 habit, but we consider them distinct. Full details will be found in 

 Collins & Howe, 1916. 



4. H. AGARDHII De Toni, 1905, p. 1543; H. decipiens of American 

 authors, not of J. Ag. Oct., Miss Peniston; W. Faxon; Castle Harbor, 

 in 2-3 meters water, July, Howe; at low water mark, under over- 

 hanging rocks, shore near Gibbet Island, Aug., Collins. 



CRYPTONEMIA J. G. Agardh. 



1. Midrib distinct. 2. C. luxurians. 



1. No midrib. 1. C. crenulata. 



1. C. CRENULATA J. G. Agardh, 1847, p. 11; Kutzing, 1869, PI. 

 XXXI; P. B.-A., No. 2100. Kemp; Gravelly Bay, April, Collins, 

 Dec., Hervey. In somewhat matted masses in the cave at this station, 

 on a sand-covered rock; a smaller form than that commonly found in 

 Florida. 



2. C. LUXURIANS (Ag.) J. G. Agardh, 1851, p. 228; Sphaerococcus 

 Lactuca var. luxurians Agardh, 1822, p. 232; Euhymenia luxurians 

 Kutzing, 1869, PI. XXXII. Kemp, as Botryoglossum platycarpum; 

 Cooper's Island, Miss Wilkinson; Buildings Bay, Jan., Hervey. 

 Apparently not common. 



