22 



ZOOPHYTA. 



S. polyzonias. S. margareta. 



rugosa. fallax. 



rosacea. tamarisca. 



pumila. abietina. Fig. 31 ; n. s. and > 



Evansii. filicula. 



nigra. operculata. 



pinnata. argentea. 



fusca. cupressina. 



pinaster. gracilis. 



30 



31 



Eeticularia (Wy. Thomps.). Corallum an in- 

 vesting network of horny tubes, immersed in a 

 homogeneous horny crust; cells short projections 

 of the tube, curved, with simple round orifices. 

 R. immersa. Fig. 31* ; mag. 



Coppinia (Hassall) . Corallum parasitic, massive, 

 hairy; cells lengthened, tubular, often curved, 



