60 



42. A. medullare. Lamarck assumes for this species the 



synonymous alcyonium ofJEllis, Cor. 

 Tab. xvi. fig. D, d, D 1. 



43. testudinarium-Elliptical ; rather flattened convex ; 



spread, slightly reticulated, with 

 many dorsal ridges, with slightly in- 

 terrupted christae. 



44. orbiculatum. -Compressed, rounded, thick ; surface 



rough, and very porous ; unequal 

 sized pores. 



45. radiatum. ,~~~Circular ; upper surface concave, 



smooth, folds radiating to the margin; 

 with about six conoidal tubercles; 

 lower surface convex, radiated with 

 fibrous costae. 



46. cuspidiferum.~Sessi\e ; erect ; hollow ; slit upwards 



in many long, straight, sword-shaped 

 lobes, surface very slightly porous. 



47. granulosum. -Hemispherical ; gelatinous ; semi-pel- 



lucid ; raggedly grooved underneath ; 

 surface granulated and wool-like. . 



48. putridosum. Ventricoso-globose ; somewhat pear- 



shaped ; thin at the edges and slightly 

 reticulated ; surface set with tubular 

 openings. 



49. purpureum. Of an intense purple ; flattish, carno- 



spongeous ; surface smooth. 



50. boletus. Substipated ; clavated ; internally, ra- 



mose fibres latticed with dilated la- 

 mellae ; surface incrusted, porous and 

 tuberculated. 



51. boletiforme. Sessile, simple, rounded ; flat on one 



side, convex on the other ; with small 

 tubercle-formed risings sprinkled with 

 small cells. 



