13 



S. TUBULARIA. Mont, (not Tart.) V. p. 1083. 

 Pen. p. 362. D. p. 1083. Johnston Mag. N. II. 7. 

 p. \2$.Flem in Edinb. Ene. 7. p. 67. t. 204./. 9. 

 S. ARUNDO. Turt. D. p. 155. Berkelyin Z. I. 3. 

 p. 229. tab. .sup. 18. f. 2. An Mart. f. 15. .? Round, 

 tapering, opaque, white, slightly wrinkled transyersely ; 

 the smaller one affixed, subconvoluted irregularly, 

 sometimes only flexuous, the larger part is detached 

 frequently for half its length and ascends in a consider- 

 able angle from the base, though rarely perpendicular ; 

 the erect part is nearly straight or slightly flexuous, 

 but always turning with the sun : aperture orbicular : 

 no operciilum. 4 or 5 diam. at larger end, 0,20 

 Tor cross in Devon, Falmouth. 



S. FILOGRANA. Lin. 1265. Lam. 12. Plane. Conch. 

 App. 1. 19./. A. B.SEBA. 3. p. 10. /. 8. and 19.. 

 S. COMPLEXA, Turt. D. p. 153. With extremely 

 close-set, confused by intermingled ramose hair-like 

 tubes ; white, the tube scarcely if at all tapering, rarely 

 if ever affixed to other substances, almost always form- 

 ing masses by itself. Rare, Devon. 



S.VERMICULARIS. Lin. Lam. (not var b) TUBUS 

 VERMICULARIS, Ellis Corallines, t. 38. / 2. S. TU- 

 BULARIA. Turt. f. 84. p. 154. S. TRIQUETRA. 

 Mont. p. 50., not Mont., Sup. p. 157. Strong, 



