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Show 404 FLABELLARIA, Lam. distinct art1. cu 1a tions·' they consist of large Where there are no . h . 'nts of the Halymedes and . formed hke t e JOl foliaceous expanstons threads enveloped with a cal-the stem of the Penicillre, of corneous careous crust( 1 ). GALAXAURA, Lamour, Where the stems are dt. chotomous., but their b1·anches ltollow(2). LIAGORA, Lamour, 'Vhcre the stems are hol l ow an d dichotomous, but are without articulations( 3). · h C llinre that should come the It is pe.rhaps directly after t e ora ANADIOMENE, Lamour, Vulgarly termed Cors~. can Moss ' and which is so useful as aver~ mifuge. . . s re ularly ramous, and consists of It is composed of arttcuJauou ' . g sted with a gelatinous cover-a somew hat corneous substance Inve ing( 4). d tions without apparent Polypi, which are con· Of all these pro uc · . Ell XXV, 7;-0. flabellum, lb., XXI~, C; (1) Oorallina congluttnatft, Sol. al7: IX.:_the first division of the Flabellarne of · Esper Corall., V • and C. pavoma, ' d this name to UDoTEA. Lamarck. Lamouroux has change XXII 2;-C. lapidescens, Id.' lb., 9;-Th· (2) Oorallina obtusata, Sol. and Ell. XX 1~·-Tubul. umbellata, Esper, Tubul., bularia firagili.~, L.; Sloane, Jam., dXEll' xx' II 6·-0orall. fruticulosa, lb., 5;- XVll;-Oorallina margm. at a ' Sol. ' an l 91· • f 10, ' 11'. Galaxaure roide, Zoo\. de Fre~cm d ~il ~~11 6·-C. fruticulosa, ld., lb.,~ Ell (3) Oorallina marginata, So. an 'p' 11 F'le~ XIV f, 3, and Sol. an ' .ft b ll t Lamour., o · ., ' 1 4) .fl.nadiomene a e a a, Ap' p., pl. 69, f. 1 5, 16. . . form the genus DxcaoToMAJtlA. of Lamarcko,· N.B. The Galaxaura: and Ltagot a: iniform Coralliferi, for thel'e are no p but are not a S that naturalist thougllt vag lypi in the tube. CORALLIFERI. 405 jecturally referred to the Coralliferi, few are more singular than the Acetabula, or AcETABuLuM, Lam. Where we nnd a slender and hollow stem supporting a round thin plate, like a parasol, with radiating strire, crantilated at the edge and having a little smooth disk surrounded with pores in the centre. No Polypi can be discovered in them. The rays of the disk are hollow and contain greenish granules, a circumstance which led Cavolini to consider them as plants( I). One of them-Tubularia acetabulum, Gm.-Donat., Adri., III; Tour·nef., lns. CCCXVIII(2), is found in the Mediterranean. PoL YPHYSA, Lam. Where, as in the preceding, we find a hollow and slender stem, but which bears on its summit a bundle of little closed vesicles in place of a disk fot•med of tubes(3). FAMILY III. CORTIOATI. This family comprises genera in which all the Polypi are connected by a common, thick, fleshy or gelatinous substance, (1) I cannot find the openings round the circumference mentioned by M. de Lamarck. The tubes which form the rays are closed. The pretended tentacula described by Donati were foreign bodies. Neither the .ll.cetabula nor Polyphyaa are vaginiform Polypi. N.B. Since the first edition of this work, M. Rafeneau, of Lille, has presented a Memoir to the Academy, in which he considers the Acetabulum as a plant, belonging to the family of the Confet·va: . {2) Add the .11.cetabule petit godet, Zoo]. de Freycin., pl., xc, f. 6, 7. (3) Pol. aspergillum, Lamour.; Sol. and J-om., App., pl. 69, f. 2-6, or Fuett6 peniculus, D. Turner, Puc., IV, pl. 228. |
