THE ALGAE OF BERMUDA. 77 



FAMILY STILOPHORACEAE. 

 STILOPHORA J. G. Agardh. 



S. RHIZODES (Ehrh.) J. G. Agardh, var.' ADRIATICA (Ag.) J. G. 

 Agardh, 1848, p. 85; Sporochnus adriaticus Agardh, 1827, p. 646; 

 1828-35, PL XXX. Harrington Sound, April, Hervey, with pluri- 

 locular sporangia. More slender and delicate than the typical S. 

 rhizodcs, which is of a more northern range. 



FAMILY SPOROCHNACEAE. 

 SPOROCHNUS Agardh. 



S. BOLLEANUS Montagne in Kiitzing, 1859, p. 33, PL LXXXI, 

 fig. II; P. B.-A., No. 2174. Dredged in 22 meters on coral rocks 

 in June, Kemp, as S. pedunculatus; handsome plants with assimila- 

 tive filaments well developed, Castle Island, Miss Wilkinson; a simi- 

 lar plant, Miss Peniston, no data; Gravelly Bay, old plants with 

 mature fruit, washed ashore, Aug., Collins; dredged near Challenger 

 Reef, in 60 meters, Aug., 1903, Bermuda Biological Station. 



FAMILY TILOPTERIDACEAE. 

 HETEROSPORA Kuckuck. 



H. VIDOVICHII (Meneg.) Kuckuck, 1895, p. 318, PL IV, figs. 

 1-20; Haplospora Vidovichii Bornet, 1891, p. 363, PL VIII, figs. 

 1-5; P. B.-A., No. 2026; Ectocarpus Vidovichii Meneghini in 

 Kutzing, 1845, p. 233; E. crinitus Hauck, 1885, p. 330, not of 

 Carmichael. Forming rather dense tufts, up to 4 dm. long, on wall 

 of inlet by the Frascati Hotel, March, Hervey, with monosporangia. 

 The occurrence here of a representative of the family Tilopteridaceae 

 is of much interest; barely half a dozen species are known, and all 

 but this one inhabit the colder waters of the Atlantic. H. Vidovichii 

 inhabits the Mediterranean, and this is its first recorded occurrence 

 elsewhere. 



