680 MyxophycGse, Camptotrichacese. 



s^epius subquadratis inferne longioribus ; heterocystis subquadra- 

 tis; liormogoniis ad 70 \x. longis. 



Hab. « Lem Dan » in « Koh-Chang » maris Siamensis rupibus 

 adfixa aqua marina irroratis (Johs. Schmidt). 

 3. Brachytrichia Quoyi (Ag.) Born. et Fl. Rev. 11, p. 73, Nostoc Quoyi 

 Ag. Syst. Algar. p. 22, 1824, Brachytrichia rivulario3formis Za- 

 nard. Phyc. indic. Pug. p. 24, tab. X, A, flg. 1-4, Rivularia ni- 

 tida Farl. Liste of the marine Algae of the U. S. pag. 25, Hor- 

 mactis Farlowi Born. in Farlow Anderson et Eaton Alg. exs. 

 Americ. bor. n. 45! Hormactis Quoyi Born. in Farl. the mar. 

 Alg. of New-Engl. p. 39. — • Fronde magna, usque ad 5 cm. lata, 

 plicato-expansa et bullata, confluente, atro-viridi. 



Hab. ad oras atlanticas AmeriCcO foederatcTe (Morse, Farlow, 

 CoLLiNs), in oceano Pacifico ad Californiam (Grunow) et insulas 

 Mariannas (Gaudichaud, Martens), Borneo ad Sarawak (Beccari), 

 in mari Indico ad Ceylonam {Ferguson) et ins. Mascareignas (Ja- 

 din) et ad oivas ditionis «Koh-Chang» India^ orientalis (Johs. 

 Schmidt). 



LOEFGRENIA Gom. [1896] in Botan. Notiser pag. 90 (Etym. a claro 

 Loefgren). — Planta filamentosa; trichomata evaginata, basi af- 

 fixa, pilifera, in parte inferiori passim ramosa; ramificationes vene; 

 heterocysta3 nullae, hormogonia et spone incognita. 



1. Loefgrenia anomala Gom. in Botanislca Notis. 1896, pag. 90. — 

 Csespitibus extensis, a^rugineis, vix mm. altis; trichomatibus sub- 

 rigidis, inferne 2-4 [i. crassis, e basi decumbenti et arcuata adscen- 

 dentibus, in pilum sensim et longe attenuatis, ad genicula eximie 

 constrictis; articulis pni^Iongis, 12-24 \i. aiquantibus. 



Hah. in Brasilici, provincia S. Paulo algas et plantas sul^mersfis 

 investiens (Loefgrenj. 



Familia VIIL CAMPTOTRICHACEiE Kirchn. 



Camptotrichacece Kirchn. [1898] in Engl. & Prantl Natiirl. Pflanzenfam. Myxo- 

 phycem p. 90. 



Filamenta singula, epiphytice, rarius endophytice viventia, e serie 

 unica cellularum constituta, utrinque attenuata, irregulariter curvata, 

 vaginata, baud ramosa. Hetcrocystie ct spor;c hucus^iue ignot;e. 



