BRITISH RADIATA. 
103 
Fam. 4. Flustradje. 
Flustra, Linn. ; Johnst. Brit. Zooph. eil. 2. p. 342. 
Flustradae, Gray, Appendix, and Proc. Zool. Soc. 1848. 
Escharidae part., Johnst. Brit. Zooph. ed. 1. 248, ed. 2. 263; 
Gray, Syn. Brit. Mus. 1842, 135. 
1. Flustra. 
Flustra, sp. Linn. 
Flustra, Lamk. Syst. 1801 ; Gray, Appendix. 
1 . Flustra foliacea. 
Fucus marinus scruposus albidus telam sericeam textura sua 
aemulans, Morris, Hist. Plant, iii. 646. t. 8. fig. 16 (bona). 
Fucus telam lincam sericeamve textura sua a;mulans, Rail Syn. 
42. no. 9 ; Jussieu, Mem. Acad. Roy. des Sc. 1742, 298. pi. 10. 
fig. 3. 
Broad-leaved Ilornwrack, Ellis, Corail. 70. no. 2. pi. 29. fig. a, A, 
B, b. 
Curious Sea-weed, Hooke, Microg. 140. pi. 9. fig. 2, pi. 14. fig. 1. 
Eschara foliacea, Linn. Syst. ed. 10. 804 ; Pall. Elench. 52. 
Flustra foliacea, Linn. Syst. 1300 ; Mull. Zool. Dan. Prod. 253 ; 
Ellis and Soland. Zooph. 12. pi. 2. fig. 8 ; Esper, Pjlanz. 
Flust. t. 1. figs. 1, 2; Van Beneden, Recherch. 56. pi. 7- figs. 
11, 17; Berk. Syn. i. 214; Lamk. Anim. s. Vert. ii. 156, 
ed. 2. ii. 219; Grant, Edinb. New Phil. Journ. iii. 111,337 ; 
Flem. Brit. Anim. 535 ; Johnst. Trans. Newc. Soc. ii. 263 ; 
Mag. Nat. Hist. iii. 483. fig. 120; Templeton, ibid. ix. 469; 
Risso, L’Europ. Me'rid. v. 333; Blainv. Actinol. 450. pi. 75. 
fig. 1 ; Couch, Zooph. Cornw. 53; Corn. Faun. iii. 121. pi. 21. 
fig. 1 ; Johnst. Hist. Brit. Zooph. ed. 2. p. 343. t. 62. figs. 1, 2. 
a. Dry. Frond short, broad. The Tay, Dundee, Vi. Jack- 
sou, jun. Presented by G. Johnston, M.D. 
b. Dry. Frond short, broad. Frith of Forth. Presented 
by G. Johnston, M.D. 
c. d, i. Dry. Frond elongate, narrow. Frith of Forth. 
Presented by G. Johnston, M.D. 
e. Dry. Frond elongate, narrow. Berwick Bay. Presented 
by G. Johnston, M.D. 
f. Dry. Frond elongate, end of branches dilated. Ireland, 
A. H. Hassall. Presented by G. Johnston, M.D. 
g. h. Tay. Presented by Capt. Ducane, R.A. 
j. Spread on shell with Lepralia biforis. Presented by G. 
Johnston, M.D. 
