THE AMATEUR S SYNOPSIS. XXXvii ■ 



contracted at intervals. 



Compressed; distantly branched; tips blunt; contrac- Genus. Fam. 



tions long EnteeomorpiiaXXI 



jointed. 



Slender; tufted; much and variously branched and 



rebranched CLADOPnoiiA XXII 



„ pale screen; in fleeces on rocks; not branched, 



but throwing out occasional fibres . . . KhizocloxiumXXII 



Slender, bright green tufts; gelatinous; unbranched . Hormotrichum; XXII 

 „ of various shades of green; in tufts; never 



gelatinous; unbranched ..... Conferva XXII 



Rose-red; minute; parasitic; fringing; joints contain- 

 ing colour-cells GoNiOTEicnuM XXI 



Pale-green; minute; parasitic on grasses, &c. ; forming 



a convex hairy dot ...... OcHLOCniETE XXII 



FILMS, or PATCHES. 



Small, roundish, gelatinous, floating; composed of 



branched threads Moj^ormia XXIV 



Vivid or deep green, spreading over decaying plants on 



mud, or floating Sph^roztga XXIV 



Verdigris green, spreading over decaying plants or on 



sticks Spietjlixa XXIII 



A dark glazy crust upon rocks; formed of closely- 

 packed radiating threads Schizosiphon XXIII 



Dark green; velvetty; spreading irregularly upon 

 rocks; sometimes throwing up minute, cylindrical 



frondlets CoDilJM XX 



IRREGULAR or DEFINED LUJIIPS. 



Dark green; spongy; hollow; more or less globular . Codium XX 



G-lobular; or convex; spreading like little balls on 



rocks and plants EivuLAEiA XXIII 



