58 



20. A. sinuosum. , Lamellated ; lamina erect and thick ; 



tortuously winding, like the folds of 

 the brain, with numerous marginal 

 openings. Spongia ? 



21. manusdiaboli. ^Polymorphous ; perforated; with ob- 



tuse protuberances. 



22. diffusum. Very ramose ; diffused and ill-formed. 



23. sceptrum. Long ; cylindrical ; obsoletely clavated. 



24. ensiferum. Long branches, rather flat and bent like 



ti sabre. 



25. - junceum. Very long, roundish, but compressed, 



soft branches. 



26. quercinum. Frondose ; with flat, winding, lobate 



processes. 



27. asbestinum. Stem reddish, nearly cylindrical, beset 



with oblong pores, set in quincunx 

 order. 



28. cranium. White ; tuberous ; set with setce. 



29. papillosum. Sessile ; incrusting ; and variously lo- 



bated and papillated, with spinous 

 tubercles and echinulated interstices. 



30. tuberosum. ~~Tuberous, yellowish ; tops often sub- 



divided ; set with tubular pores. 



31. ficus. Fig or pear-formed; tuberous; rather 



ovate; pulpy and livid. Marsil. 



p. 87, Tab. xvi. n. 79. 



M. Lamouroux observes that there is reason for believing 

 that there exists in the Mediterranean two bodies of 

 the same figure ; the one belonging to sponge, the 

 other to alcyonium. Solander considers that figured 

 by Ellis to be sponge. 



32. cylindricum.- White and round. 



Lamarck considers this as only being a detached poition 

 of a ramose alcvonium. 



