890 ALGiE GLOIOCLADEiE. [Myrionema. 



of gelatine ; filaments, in all respects, similar to those of the other spe- 

 cies, except in being mostly proliferous." Carm. MSS. 



2. Marine. (Chsetophorse spurise.) 



6. C. Berkeleyi, Grev. (Mr. Berkeley s Chcetophora); " frond 

 depressed brown subhemisphaerical, main branches somewhat 

 anastomosing, ultimate ones fasciculate." Berk. Alg. t. 1. 



Rocks at Torquay, Rev. 31. J. Berkeley. 



7. C. pellita, Lyngb. (purple crustaceous Chcetophora); frond 

 purple-brown crustaceous gelatinoso-coriaceous indefinitely 

 spreading.— Lyngb. Hydroph. Dan. t. 66. Fl. Dan.t. 1728./. 1. 

 Berk. Alg. t.l.f. 3. 



Rocks and stones, in the sea. Appin, Captain Carmichael. Oban, 

 Rev. M. J.Berkeley. Miltown Malbay, W. H. Harvey.—" Sporidia be- 

 tween obovate and clavate, lodged at the base of the filaments. On being 

 disengaged, they separate, as in some of the Fuel, into 3—4 roundish 

 portions." Carm. MSS. This fructification appears to be of rare occur- 

 rence. It was not till after an examination of more than 100 specimens, 

 that Captain Carmichael was fortunate enough to discover it, in the 

 month of February. 



89. CoRYNEPHQRA. Ag. Corynephora. 



Frond globose or lobed, carnoso-coriaceous, hollow (not filled 

 with gelatine), composed of articulated dichotomous filaments, 

 fasciculated at the apices, and issuing from a central point. 

 Fructification ; oval capsules or globides of seeds, seated in the 

 terminal fasciculi. — Name; xogywj, zclub, and po*sa, to bear; the 

 apices of the filaments are agglutinated into the tough frond or 

 periphery aud are clavate.— Closely related to Mesogloia, 

 (especially M.vermicuhris), but differing in the absence of a fili- 

 form axis. 



]. C. marina, Ag. (marine Corynephora,). Ag. Syst. Alg. 

 p, 24.— Tremella difformis, Linn.— Chatophora marina, Lyngb. 

 Hydroph. Dan. t. 66. Grev. Crypt. Fl. t. 2b.—Rivularia tuberi- 

 formis, E. Bot. t. 1956. 



In the sea, on rocks, corallines and Algce, abundantly.—" In young 

 plants, the central cavity is traversed by a system of very wide inflated 

 jointed hyaline tubes, branching dichotomously, while they radiate in all 

 directions to the surface, where each branch terminates in a tuft of short, 

 club shaped, moniliform, coloured ramuli ; among these last, which by 

 their lateral cohesion form the whole substance of the plant, the sporidia 

 are found nestling. They are obovate, smooth and mostly solitary." 

 Carm. MSS — Common as this plant is on our shores, we have no cor- 

 rect figure or description of it in any British work. The above is from 

 the manuscripts of the late Captain Carmichael, and it is the best and 

 most perspicuous that I know. 



90. Myrionema. Grev. Myrionema. 

 Mass gelatinous, effused, composed of very short, clavate, 



