CRYPTOGAMIA ALG^E. 217 



* Red or olive-coloured, capillary, much branched, the branches 

 jointed with distinct and regular partitions. 



j- Plants of a red colour. 



140. ASPEROCAULON. Frond much branched, the main stem 



opake, hirsute, inarticulate ; branches jointed ; fructifica- 

 tion double capsules and lanceolate pods containing rows 

 of granules. 



141. POLYSIPHONIA. Filaments jointed, longitudinally striated 



with internal parallel tubes ; fructification double ovate 

 capsules and granules in swollen branchlets. 



142. CERAMIUM. Filaments jointed, dichotomous, red ; articu- 



lations veined or diaphanous ; fructification capsules with 

 an involucre of short ramuli, and imbedded granules in 

 the summits of the branches. 



143. CALLITHAMNION. Filaments jointed, rose-red, branched ; 



articulations marked with one broad tube-like line, the 

 joints pellucid ; fructification pedunculated capsules on 

 the ramuli. 



144. GRIFFITHSIA. Filaments jointed, fine red, branched; fruc- 



tification granules surrounded with a gelatinous border, 

 and protected by a filamentous involucre. 



145. TRENTEPOHLIA. Filaments jointed, flexible, orange-co- 



loured or pale red, branched, bearing capsules which gene- 

 rally proceed from the last articulation which is inflated. 

 Fluviatile. 



146. AMPHICONIUM. Filaments rigid, nearly solid, opake, crum- 



bling into powder, torulose. On bark or rocks. 



j- -f- Olivaceous. 



1 47. CLADOSTEPHUS. Plant branched, the main filaments opake, 



inarticulate, the branches jointed, mostly whorled with 

 ramuli ; fructification capsules. 



TOL. II. K 





