PLATE XIV. 



I / amadelpha \. & E. S. Gepp. Habil of MONTAGNE's type of Udotea amadelpha, 



nat. Galega, /.<■ Duc. in Herb. Mus. Paris). 



113. Ditto. Frond-filaments of same 100. The interior filaments are often slightly torulose, and 

 become more torulosi towards their apices; the apices are very tortuous, bram hi d, irregularly 

 swollen, hooked and felted together into a pseudo-cortex. But the peripheral ramification of 

 the frond filaments in MONl u.xr's type is for the must part denuded away bj 1 xposure to 

 the action of the surf. 

 1 11 (. Ditto. forma submersa. Habit of plant, nat. size. (Saya de Malha, 29 fathoms. ./'. S. Gardiner). 

 115. Ditto. f. submersa. Frond-filaments of same 100. The filaments appear thinner than in fig. 113. 

 This is due to the more prolific and mme slènder ramification in f. submersa. 

 I Avrainviüea asarifolia !'■ n n. Habit "f type plant, nat. size. (Danish West Indies. F. Borgesen). 



After B n in Vid. Medd. nat. Foren. Kjöbnhavn. 1908. tab. 111). 



117. Ditto. Frond-filaments of same ioo; <i >mt\ b, cylindric interior filaments, too. The filaments 

 taper somewhat and are torulose towards their apices; apices very tortuous, branched, irregularly 

 swollen, felted 1 into a pseudo-cortex. 



Rhipiliopsis. 



i n8a and /'. Rhipiliopsis peltata n. gen. et n. comb. Ilabit of plant, peltate specimens, nat. size. 



(Port Phillip Heads, .7. Bracebridge Wilson in Herb. Mus. Brit.). 

 I 119. Ditto. Frond-filaments of same. showing at ps. c. some instances of the pseudo-conjugation of 



two short latend prominences arising from neighbouring filaments. 40. 

 I [20. Ditto. Part of same 200. 

 i 121. Ditto. Portion of same showing how frequent are the pseudo-conjugations near the apices of 



the filaments. At x are two prominences which have been disconnected 200. 



