Eu-FlonMeae, Corallinacetc, Lithopliyllum. 1785 



ganleum Zaiiard. Saggio (1843) p. 45, Pocillopora agariciformU 

 Ehr. Boitr. Corallenth. p. 199 partiin ot excl. synon., Melohesia 

 expansa Endl. Gen. plant suppl. o p. 19. — Crustis horizontaliter 

 expansis, margine papyraceis, medio crassioribus, hinc inde matrici 

 adfixis, grosse lobatis, margine undulatis, superficie inai(|ualibu3, 

 foliaceis, siihinde proliferis, laxe imbricatira supcrpositis, pagina 

 inferiori concentrice striatulis; conceptaculis minutis, paruni ele- 

 vatis, per frondem margine excepto dense dispositis. 



Hab. \n mari Mediterraneo et Adriatico, passim (Philippi, Z.\- 

 NARDiNi, Hauck, Solms-Laubach). — CrustcB 1-2 mm. crassa?, 

 n-SO cm. diam. metientes. Color roseus aut albidus. — forma 

 stictaeformis (Aresch.) Fosl Rev. Syst. Surv. of Melob. (1900) p. 18, 

 Melohesia stictceformis Aresch. in J. Ag. Sp. II, p. 517 (excl. 

 synon.), Ardiss. Phyc. Medit. I, p. 448, Lithophyltmn expansum 

 var. agariciforme Hauck Meeresalgen p. 269, t. IV, f. 2 excl. 

 syn. Pallasii, Melohesia agariciformis Aresch. in J. Ag. Sp. II, 

 p. 516 excl. synon. (non Harvey), Lithophyllum agariciform.e 

 Falkenb. Alg. Neap. p. 263, Millepora agariciformis Lamarck 

 Hist. anim. s. vert. II, p. 312 partim (non Pall.. nec Nullipora 

 agariciformis Blainv. et Johnst.), Lithophyllum expansum f. fo- 

 liacea Fosl. On Some Lithoth. (1897) p. 3, saltem pro parte: fronde 

 pagina inferiori adnata ambitu soluta, foliacea, stictceformi, supra 

 farinoso-subscabra, subtus discolori, lobata, lobis subimbricatis ro- 

 tundatis convexis undulatis margine subintegris; conceptaculis ele- 

 vatis per lobos sparsis. In mari Mediterraneo (Areschoug, Straffo- 

 RELLO, Ardissone, Hauck). - Ex omuibus hujus generis speciebus 

 Sticta' vel Peltigerce cuidam maxime similis. Frons per longa spatia 

 rupes, veluti Peltigcra qufedam, tegere videtur, omnino horizontalis, 

 foliacea, supra (in exsiccatis saltem speciminibusj alba, farinoso- 

 scabra, subtus coloris flavescentis, lobata. Lobi in genere maximi, 

 rotundati, 4-7 cm. diametro tequantes, nunc plani omnino, nunc plus 

 minus convexi et imbricati, quam in L. decussato forsan crassiores. 

 Conceptacula per totam frondem vel lobos sparsa, minuta, vere 

 elevata quamquam vix verrucoeformia vel hemisphasrica nominanda, 

 poro distincto pertusa. — forma exigua Fosl. On Some Lithoth. 

 (1897) p. 3. An huc pertinet Lithophylium expansum var. invol- 

 vens Vin. Corall. Mediterran. Menegh. (1892) p 58 e mari Medi- 

 terraneo proveniens ? : lamellis parvis duabus, subimbricatis, un- 

 dulatis, antheridiiferis. In Coralliis (Gorgoniis) in mari Medi- 

 terraneo ad littus Algerite (Debray). — forma repens Fosl. On 



