VESICULARIAD^:. 



19 



Polyzoary plant-like, creeping, adherent, 

 sending up at irregular intervals free, erect, 

 stalked polypes, without distinct cells . . Pedicellinada. 



FAMILY I. ALCYONIDIAD^E. 



Alcyonidium (Lamx.). Erect, lobed, or simple ; 

 cells immersed, five-angled. 



A. gelatinosum. A. parasiticum. 



hirsutum. Fig. 30 ; n. s. and mag. 



Cy clown (Hassall). Encrusting, covered with 

 imperforate warts ; eggs in circular clusters. 



C. papillosum. Fig. 31 ; n.s. and mag. 



32 



33 



Sarcochitum (Hass.). Encrusting, covered with 

 perforate prominences, in which the cells are im- 

 mersed ; eggs scattered singly throughout. 

 S. polyoum. Fig. 32 ; n. s. and mag. 



FAMILY II. VESICULARIAD.E. 



Amathia (Lamx.). Shoot slender, thread-like, 

 erect, branched ; cells tubular, mutually adherent, 

 C2 



