214 WORMS. ZOOPHYTA. 78. Sertularia. 



Ellis Corall. p. 12. tab. j. n. n./. a. A. 



About 3 inches long : denticles in a single row. 



716. S. Pluma. Branches alternate, pinnate, lanceolate ? 

 denticles all on one side, imbricate, campantilate, 

 toothed at top: vesicles gibbous, toothed on the 

 margin.* 



Ellis Corallines-p. 13. tak 7. , 12. /. b. B. 



% Climbing up Fuci : branches jointed, twisted : denticles supported 

 in front by a fmall holk>w, fpine : vesicles with 4 or * oblique 

 crested ribs. 



717. S. antennina. vStems simple or slightly branched: 

 denticles whorled, in fours, setaceous : vesicles 

 obliquely truncate, in whorls. 



fit's Coral, p. 15. tab. g. a. A. 



Near a foot high, yellow, with very fine capillary yellowish radi- 

 cles : stems furrounded at thejoints with whorls of fmall incurved 

 bristles, on the upper-sides- of which ane rows of minute cup-* 

 shaped denticles : vesicles on short pedicels, obliquely open to- 

 wards the 'stem, and placed round it at the insertion of the 

 branches. 



?18. S. vertitillata. Branches alternate : denticles cam- 

 panulate, toothed round the rim, on long twisted 

 pedicels, and placed in . fours round the stem: 

 vesicles oval, ending in a tube. 



llis Corallines p. 23. tab. 13. n. io./. .a. A, 



Stem ribbed, loofely branched : vesicles nearly erect, glutinous. 



719. S.volubilis. Branches alternate: denticles cam* 

 panulate, toothed round the rim, on long twisted 

 pedicels, placed alternate];' : vesicles oval. 



Ellis t. 14. a. A. Solander and Eiifs n. 22. t. .f. e. E. f, F. 



Whitish, minute, climbing up other corallines; resembles the 

 last, but the denticles are not ^placed in whorls, and the pedicles 

 are longer and twisted round the stem : vesicles fometimes 

 wrinkled acrofs. 



720. S. Syringa. Branches filiform, alternate : denti- 

 cles cylindrical, obliquely truncate at top, mostly 

 alternate,,, on. twisted pedicels shorter than the 

 denticles. 



Ellis Corall. p. 27. tab. 1-4. a. 21. b. B. V 



On shells, or creeping up other corallines : vesicles unknown. 



721. S. Cuscnta. Branches opposite, simple: denticles 

 obsolete : vesicles oval, axillary. 



///s Corall. p. 28. f. 14. n. 26. /. c C. 



Climbing up Fuci : vesicles fmall, axillary. 



722. S.pustulosa. , Stem with alternate dichotomous 

 branches, covered with prominent pustules with each 

 a point in the middle. 



Ellis Corallines p. 54. tab. ^J.fg. b, B. 



Stem rising into alternate forked branches, with fmall pustule- 

 like denticles towards the tips, having "a circular rim with a point 

 in the middle of each. 



723. S.frutcscens. Branches alternate, pinnate: denti- 

 cle* cylindrical, campanulale, placed in a single row 

 on the inside of the branches. 



Soiand, and Ellis Zooph. p. 55. n, 29, t t 6./, a. A. . 



