Ill 



abuiulant^tlioiigli in parts of New Zealand it appeurs 

 to be not infrequent. 



Desmarestra viridis, Lmnour. Ess. p. 43. 



Wei-hai-wei, June 1913, Boydeii 31. 



Distrih. General in north temperate Avaters of Europe, 

 Asia, and America. 



The records of D. viridis from the southern hemi- 

 sphere refer to a distinct species, D. Willii, Reinsch. 



Scytosiphon lomentarius, J.Ag. Sp. i. p. 126. 



Wei-hai-wei, June 1913, 'jJoyden 32; Hon-rkorif' Feb. 



1890, C. Ford 193. ° " 



Distrih. Widely distributed in cold and temperate 

 waters of both N. and S. hemispheres. 



The Hongkou",' specimen is a very flue plant with 

 broad fronds; those from Wei-hai-Avei arc narrow, and ' 

 ag-ree \\'itli some sent recently to Kew from Japan by 

 Prof. Matsumura. The narrow form is apparently fairly 

 common in the East. 



Endarachne Binghamiae, J.Ag. Anal. Alg. Cont. iii. p. 27, 



Formosa, T. W. Waiters 139. Hongkong, Feb. 1890, 



C. Ford 194, 

 Distrib. Japan. 



This plant lias to be carefully distinguished from 

 Phyllitis fascia and CoiJodesme hvlh'gera, 



w 



Hydroclathrus canceliatus, Bory, Diet, class viii. p. 419. 



Hongkong", C. Wright; Pratas Island 1867, Collingwood. 



Disfrib. General in warmer seas. 

 Oelidium Amansii, Lamour. in Kiitz. Tab. Phyc. xviii. 



p. 16. 



R 



Distrih. Japan, Corea. 



This species is much more slender than, and yery- dis- 

 tinct from the Capo G. cartUagineum (L.) Gaill, with 

 which it has been confounded. Dr. Yendo tells me that 

 iu Japan it extends from high-water line, where it occurs 

 as a Tery short tufted form, down to 12 fathoms, when 

 it is large and graceful and as much as 1| ft. lono;. 



The fronds do not become terete, as do those ol ( . 

 cartUagineum, but remain thin and permanently flat- 

 tened. 'The stichidia occur as small sjxithulate branches. 



G. latifolium, Bom. in Eorn. et Thur. Not. Algol, p. 58. 



Macao, in herb Hooker. 

 Distrih. Europe, F. Africa, Atlantic Islands, Japan. 



Several dwarf plants of another Gelidmm, ^videiitly 

 growing near high-water mark were found by Dr. 

 Boyden, but they are unfortunately too young to deter- 



mine. 



