colour is a brilliant rosy- or blood-rod. The substance is thickly membranous, 

 soft, glossy when dry, and the frond in drying adheres closely to paper. 



The description of C. ohtusifolia given by Agardh so well 

 agrees with the few specimens which I collected of this appa- 

 rently rare species, that I have little or no hesitation in referring 

 to his work, though I have seen no authentic specimen, nor has 

 he stated the locality from which his plant was obtained. His 

 statement that what he wished to describe bears a general re- 

 semblance to the figure of Gracilaria multipartita, given in 

 Phyc. Brit., applies equally well to our plant, and further con- 

 firms me in the reference to Agardh. Though with a general 

 resemblance to the common C. coccinea, it is much more regu- 

 larly branched, has differently placed cystocarps, etc. 



Fig. 1. Callophyllis obtusifolia, — the natiwal size. 2. Section through 

 part of the lamina, and half a coneeptaele, — magnified. 



