[•HE ALGAE OP BERMUDA. 11" 



Lomentari \ Gaillon. 



L. r.\(i\\i\ Meneghini in Zanardini, 1840, p. 21; Farlow, 1881, 

 j). L64. Miss Wilkinson; Walsingham, Jan., Hervey. Rather small 



plants. 



Var. filiformis (Harv.) Farlow, 1881, p. loo; Chylocladia Bailey- 

 ana var. filiformis Harvey, 1853, p. 185, PI. XX. C, fig. _\ Very 

 small plants among Polysiphonia macrocarpa, on mangroves, Hui 

 Bay, May, ( lollins. 



Champia Desvanx. 



C. PARVULA (Ag.) Harvey, 1S53, p. 76; P. B.-A., No. 1934; Chon- 

 dria paroida Agardh, 1824, p. 207; Chylocladia parvvla Harvey, 1846- 

 51, PI. CCX. Gibbet Island, Jan., Heron Bay, April, Hervey; Gib- 

 bet Island, Sept., Fairyland, Dec., Collins. On Sargassum, Coel- 

 arthrum and other algae; mostly with tetraspores; small plants, 

 seldom over 3 cm. high. 



Family DELESSERIACEAE. 

 Nitophyllum Greville. 



N. Wilkinsoniae sp. now; P. B.-A.. Xo. 2037. Frondes usque 

 ad 10 cm. altae, dense di- polychotomae, divisionibus linearibus 

 cuneatisve, latitudine centimetrum raro superantibus; marginibus 

 dentes minutas ciliiformes plus minusve approximatas ferentibus; 

 venis nullis; fronde monostromatica, juniore 15 /z crassa, adultiore 

 usque ad 60/;; cellulis in superficiem visis irregulariter polygonis, 

 30-80// diam.; in sectione transversal] junioribus elongatis, adultiori- 

 bus subquadratis. Tetrasporangiis tripartitis, ad 60 n diam., soris 

 rotundatis vel elongatis per totam frondem sparsis, utrinque pro- 

 minulis; cystocarpiis ignotis; substantia tenuissima; fronde viva, 

 colore malvacea; emersa cito in aurantiacam mutata; siccata rosea. 

 Plate I, fig. S, Plate II, fig. 9, Plate V, figs. 32-33. 



Fronds up to 10 cm. high, densely tufted, di- polychotomously 

 divided, divisions linear or emirate, seldom o\er one cm. wide, margin 

 more or less densely set with small ciliform teeth; no veins; mono- 

 stromatic, l">/u thick in the younger part, up to 60 m in older part-; 

 cells regularly polygonal in superficial view, 30-80/1 diam., in cross 



