2G6 BRITISH SEA-WEEDS. [Bhodosj^ermea. 



filiform, much branched, the branches pectinate with distichous 

 cilia. Fructification, sessile or pedicellate capsules, containing 

 a cluster of pyriform (compound?) seeds, fixed by their base. — 

 Named after Bonnemaison, a celebrated French Algologist. — 

 Greville. 



1. BONNEMAISONIA ASPAUAGOIDES, J^^;y///. (Plate XII. 



fig. 45, a branch, natural size ; and at the base, on the left, 

 is the top of a branch, with capsules magnified.) 



Hab. On submarine rocks. Annual. June to September. 

 Found in England by Mr. AVigg, Mr. D. Turner, Mr. 

 Stackhouse, Mrs. Griffiths, Miss AYarren, Eev. Air. Hore, 

 M'^r. Ealfs; in Ireland, Miss Hutchins, Dr. Drummond, 

 Miss Gower, Professor Harvey, Mr. MCaUa; in Scotland, 

 Major Martin, Ardrossan ; Isabella L., at Saltcoats ; Eev. M. 

 Lambie, Southend, Argyleshire; dredged by Mr. Gourlie, 

 Frith of Clyde, off Skelmorlic. 



Dr. Greville (whose PI. xit. in Alg. Brit, is very in- 

 structive) calls this an extremely elegant and beautiful 

 plant. Professor Harvey describes it as ^^ a highly beautiful 

 species, and so uidike any other British Alga that it mus 

 be recofrnised at a i^lance. The delicate cilia which border 

 every part of the frond, and which arc arranged with strict 

 regularity, being always perfectly distichous, and placed 

 alternate to each other, and opposite either to a capsule or 



