1354 Eu-Floridege, Corupsotbainnieai, Compsothamnion. 



Genus mihi oinnino ignotum. 



CERAMOTHAMNION Richards [1901] in Bull. Torrey Botan. Club 

 XXVIII, p. 257-265, pl. 21-22. — Frons callithamnioidea, habitum 

 Rhodocliortonis induens. Cellulae ut in Callithamnio ; polyspo- 

 rse (?) ut in Ptilota. 



1. Ceramothamnion Codii Richards loc. cit. 2127 



Hab. in frondibus Codii tomentosi ad oras Bermiulenses 

 (H. M. Riciiards). — Opellam collegaj Riehardsii, dum pnesens 

 volumen Sylloges sub praelo erat, recipere non potui ; ergo de af- 

 finitate Ceramothamnii dijudicare non audeo; si a Spermotha- 

 mnio genus novum sat differat, nullo viso specimine, nescio. 



Subfamilia V. COMPSOTHAMNIEjE Schmitz. 



Compsothamniece Schmitz [1889] Syst. Uebers. Florid. p. 16, Schmitz et Hauutrl. 

 in Engl. & Prantl Naturl. Pflanzenfam. (1897; p. 491. 



Frons confervoidea, nuda, distiche rainosa, rhizoidibus corticali- 

 bus nullis. Cystocarpia in raniis fertiiibus terminalia (adparenter la- 

 teraliter imposita), baud involucrata, nucleo moriformi. Gonimobhi- 

 sti 1-2 in lacinias subdivisi. Tetrasporangia in ramulis tcrminalia, 

 triangule divisa. 



C0MPS0THAMNI0N Naeg. [1861] Beitr. Ceram. pag. 108 (Etym. com- 

 psos elegans et thamnion caespes), Schmitz in Engl. & Prantl 

 Natiirl. Pflanzenfam. (1897) pag. 491, Confervce, Callithamnii et 

 Phlebothamnii sp. auct. — Frons erecta, ecorticata, tenui-fila- 

 mentosa, abunde secundum unam planitiem lateraliter ramosa, ra- 

 mis regulariter distiche egredientibus. Procarpia in regionibus 

 frondis superioribus sparsa, prope apices ramellorum brevium ul- 

 timorum sita. Cystocarpia per frondem sparsa, in ramulis fertili- 

 bus brevibus terminalia (adparenter ramo, ex quo ramulus fertilis 

 oritur, lateraliter adfixa), ramellis involucrantibus haud concomi- 

 tata. Nucleus moriformis, e gonimoblasto unico aut e gonimoblastis 

 duobus geminatis constitutus, in lacinias numerosas parvas dense 

 confertas plus minus simultaneo tempore maturescentcs tlivisus. 



