A SYSTEMATIC AND STRUCTURAL ACCOUNT OF AYRAINVILLEA. 71 



Hab. Ad ins. Guadeloupe, Maze et Schramm ! (sub nominibus 

 Flahellarim fimbriata (No. 65) et AvrainviUem sordid cb ysly. longipedis 

 Cm. (No. 1234), ad ins. Marie Galante prope la Guadeloupe). 



5. A. PAPUANA nob. Sessilis vel brevistipitata, integro- 

 flabelliformis, interdum paulisper lacerata, textura coacta, ex 

 fills dicliotomis, cylindricis, intertextis, viridibus tandem inferne 

 fulvis sursum fulvo-aurantiacis, irregulariter et longis intervallis 

 constrictis, apicibus obtusis subclavatis, composita ; rbizinse inae- 

 qualiter torulosae. 



Syn. Chloroplegma papuanum Zanard. (Nuovo Giorn. Bot. Ital. 

 X. 1878, p. 37) ; Chlorodesmis pachijjms Kjellm. (in Wittr. et Nordst. 

 Alg. Exsicc. No. 343] ; Wdpilia Andersonii G. Murr. (Trans. Linn. 

 Soc. Bot. Ser. 2, vol. ii. (1886), p. 225, tab. 31). 



Hab. Ad Sorong, Nova Guinea, Beccari ! Labuan, Borneo, 

 Kjellmanl Mergui Archipelago, Anderson \ Ceylon, Ferguson \ 

 (Nos. 290, 313); (Philippines?), Cumingl Nova Caledonia, Uh. 

 Le Jolis ! (sub nomine Chloroplegmatis sordidi Zan.). 



6. A. LACERATA J. Ag. (Till. Alg. Syst. viii. p. 54). Cuneato- 

 flabelliformis, fusco-olivacea, sordida, obsolete zonata, ex fills 

 dichotomis, intertextis inferne viridibus sursum fusco-succineis, 

 torulosis, apicibus obtusis composita. 



Syn. Udotea sordida Mont. (Plant. Cellul. in ins. Philipp. 

 Hooker's Lond. Journ. Bot. vol. iii. p. 659) ; Chloroplegma sordidum 

 Zanard. (Plant, in mari rubro, &c., Enumeratio, p. 291, tab. 13) ; 

 Udotea lacerata Harv. (Friendly Islands Algse, No. 86). 



Hab. Ad ins. Philippines, Cuming, No. 2233 ; in mari rubro, 

 Portier (Hb. higari) ; ad ins. Amicorum (Friendly Islands), Harvey \ 

 Mauritius, Pike ! 



7. A. OBScuRA J. Ag. (Till. Alg. Syst. viii. p. 53). ''Fronde 

 supra imam basem dilatatam surgente stipite brevi complanato, 

 apice in flabellum terminale latius cuneatum crassum luridum, 

 margine erosum abeunte." 



Syn. Anadyomene? ohscura C. Ag. Sp. Alg. p. 401. 

 Hab. In oceano pacifico calidiore; ad Guham in insulis 

 Moluccis a Gaudichaud lecta. 

 Specimen nullum vidimus. 



8. A. coMosA nob. Sessilis, laxe filamentosa, viridis, ex fills 

 dichotomis, cylindricis, liberis, penicillatis, apicibus obtusis, com- 

 posita ; rhizinae torulosae densissime intertextas. 



Syn. Chlorodesmis comosa Bail, et Harv. (Ner. Bor. Am. iii. 

 p. 29 (1858), et in Wilkes, Explor. Exped. xvii. (Botany), p. 172 

 (1862-74).) 



Hab. Ad ins. Feejee, Harvey, ' Challenger' ! Amicorum (Friendly 

 Islands), Vavau et Lifuka, Harvey ! (No. 90), et Tongatabu, Hh. Mus. 

 Brit. ! Upolu, Samoa, FJb. Mus. Brit. ! Nova Caledonia, Hb Le Jolisl 

 Loo Choo, Wright; Noukahiva, Jardin ; Port Denison, Sonder. 



Specimen ad ins. Guadeloupe a Maze et Schramm lecta {loc. cit. 

 sub nomine Chlorodesmidis comosa, p. 98, No. 338) forsan Vaucherim 

 sp. est. 



This very interesting form (the original generic type of Chloro- 

 desmis) differs from the other species in the mature state in having 



