EXPLANATION OF PLATE X. 



Fig. 1. Sarcophytum latum, Dana. 



a, b, c, d. Spicules from the ccenenchyma. 



e,f. Spicules from the cortex. 

 Fig. 2. Lobophytum hedleyi, sp. nov. 



a. Colony. Nat. size. 



b. Portion of colony. Nat. size. 



c, d, e, f. Spicules from the coenenchyma. 



g, h. Spicules from the cortex. 



