59 



S3, A. radicatum. Substance homogeneous, like cork ; 

 with very small scattered pores ; base 

 divided by many clefts. No bark 

 discoverable. 



34. gelatinosum. -Cylindrical or compressed, pellucid and 



watery within, irregularly compressed 

 and branching. Plane, ed. 2, p. 115, 

 c. 29, Tab. X. A ; Ellis, Cor. p. 102, 

 n. 5, Tab. xxxii. fig. dD. 



In Parkinson's Herbal, he considers it as a sponge ; others 

 have thought it an ulva or fucus. 



35. papillosum. Incrusting ; covered with large convex 



papillae. Mars. p. 86, Tab. xv. fig. 

 76-78. 



36. distomum. Incrusting ; with red scattered papillae, 



each with two openings. 



37. gorgonoides. ~Ash-coloured, flesh mixed with sand ; 



radiated wart-like cells.- Solander and 

 Ellis, p. 181, n. 8, Tab. ix. fig. 1, 2. 



38. comiculatu/n.~our stellated pores surrounding a 



central papilla, with four erect ter- 

 minal crescents. 



39. stellatum. Terminations distinguished by two stel- 



lated cells. 



40. fluviatile. -~~~Incrusting, polymorphous ; set with 



pentagonal tubular pores. 



The following compose the second section of the alcyonia 

 of Lamarck, who distinguishes them from the former by the 

 openings of the cellules not appearing on the dry specimen. 

 M. Lamouroux considers them as doubtful, and perhaps as 

 intermediate between the alcyonia and the sponges : 



41. A. compactum. Tuberous ; globoso-pulvinate ; surface 



smooth. 



