93 



Udotea tomentosa Murray, Catalogue of the mar. Alg. of the West Indian 

 Region (Journ. of Bot., vol. XXVII, 1889, p. 239). Howe in Bull. Torr. Bot. 

 Club, vol. XXXIV, 1907, p. 512. 



f. zonata Gepp, 1. c. p. 55, fig. 129, 



As Mr. and Mrs. Gepp had my material of various Codiacese, 

 on loan they also got the two dried specimens of Rhipilia 

 which I had succeeded in finding and upon which they have 

 described the new forma zonata. Of one of my collections 

 no. (2218) I meanwhile also had a specimen preserved in alcohol 

 which I have examined somewhat more in detail. 



Fig. 76. Rhipilia tomentosa Kiitz. 



a, h, filaments from near the surface; c, trichotomically divided filament 



from the interior; d, edge of the thallus. 



{a and d, about 25:1, h and c, about 70:1). 



The specimen I have found was of a very loose, soft and flabby 

 consistency, the filaments being very loosely felted together. 

 In Fig. lb d\ have given a part of the edge. The filaments divide 

 themselves pseudodichotomously, some of these growing out 

 again to long filaments, most of them only to quite short, rhizoid- 

 like branchlets ending with 3 — 5 short spines or processes, by 

 means of which the filaments of the thallus fix themselves to 

 other filaments (Fig. 76 a and b). 



While the greater part of these quite short rhizoid-like branch- 

 lets are in open connection with the mother filaments, some of 

 them, especially the longer ones, are separated from it by a wall 



