Siphonefe, BryopsidaceDe, Bryopsis. 427 



capillaria, minutissima, continua, massa viridi granulosa farcta, ra- 

 mosa. Rami remoti, ereoti, apicem versus attenuati. Vesiculae ex 

 Lyngbye (an zoogonidangia?) laterales, ovatae vel subclavatae, sur- 

 sum spectantes, filamentis 2-plo latiores, saturate virides, brevi 

 tenuique pedicello fultse, interdum limbo pellucido cinctse. Alga 

 viridis, siccando chartse adha^rens. 



Pamilia XVI. BRYOPSIDACEiB (Bory) Thur. 



Brtjopstdacece Bory [1828] in Duperr. Voy. Crypt. p. 203 (Bryopsidece) em. 

 Thur. [1850] in Ann. Scienc. Nat. 111 ser., tom. XIV, p. 317, Kjelim. Alg. 

 of the Arctic Sea p. 316, Hanck Meeresalgen p. 471, Ardiss. Phyc. Medit. 

 II, p. 148, De-Toni e Levi Fl. Alg. Ven. 111, p. 95. 



Thallus unicellularis, filiformis, ramosus, raro stipite e filis inter- 

 textis constituto donatus, saspe penicillatus,- zoogonidia e ramorum 

 septo a cetero thallo discretorum plasmate orta, de quibus cfr. in 

 diagnosi generis Bryopsidis. 



Conspectus generum. 



Brxjopsis. Racliis (seu stipes) primaria e tilamento singulo efformata. 

 ? Chlorodesmis. Stipes e fllamentis dense intertextis constitutus. [Genus ad 

 Spongodiaceas transitum quasi praebens. — Cfr. Avrainvilleam]. 



BRYOPSIS Lamour. [1809] Mem. sur trois nouv. genres de la faraille 

 des Alg. mar. in Journ. de botanique 1809, pag. 129, Ag. Spec. 

 p. 447, Menegh. De Bryops. fructif. in Flora 1837, II, p. 721, Derb. 

 et Sol. Mem. p. 37, t. 10 et 11, Pringsh. in Monatsb. Berlin. Akad. 

 1871, p. 240, Jancz. et Rostaf. Observ. sur quelques alg. posse- 

 dant des zoospores dimorphes in Mem. Soc. sc. nat. de Cherbourg 

 tome XVIII, 1874, Cornu Sur la reprod. des Bryopsis in Compt. 

 rend. 17 decemb. 1879, Hauck Meeresalgen p. 471, J. Ag. Till Al- 

 gernes Systematik VIII, p. 13, Ardiss. Phyc. Medit. II, pag. 149, 

 De-Toni e Levi Fl. Alg. Ven. III, p. 95. — Frons filiformis, ra- 

 mosa, tubulosa, elongata, ramulis in superiori parte distiche pin- 

 natis vel undique imbricatis obsessa; cavus interior continuus. 

 Zoogonidia numerosissima, biciliata, e divisione plasmatis ramulo- 

 rum dein deciduorum unibilicumque relinquentium evoluta. 



Obs, Suadeutibus Derb. et Sol. in Bryopside 7nuscosa occurrit 

 copulatio zoogonidiorum. In Bryopside cupressoide f. hypnoide 

 zoogonidia 2- et 4-ciliata observavit cel. Thuret. In eadem for- 

 raa individua graciliora, aurantiaca, zoogonidia biciliata normali- 



