Myxopliycese, Schizotricheae, Symplocastrnm. o49 



exceptis) contcntu grosse granuloso farctis; rellula apicali truncato- 

 conica. 



Hah. terram nudam, vias silvaticas umbrosas, rupos madidas 

 et muscosas, etiam stillicidia et locos inundatos Norvcgi;e (Lyngbye), 

 Suecife (Fries), Daniae (J. Schmidt, Nordstedt, Rosenvinge), An- 

 glire (Ralfs, Bennett, Harvey), Galliae (Lamy de la Chapelle, 

 GoMONT, Thuret), Helvetise (Rabenhorst, Gomont), Germaniie 

 (BuLNHEiM?, Rabenhorst), Austria3 (Schiedermayr, Morl, Heufler, 

 Zukal), Tyroliae (Hansgirg, Heupler), Bohemije (Hansgirg), Po- 

 loniae (Raciborski), Galieice (Gutwinski), Francoiiise (Reinsch), 

 Virtenbergine, Silesiae (Kirchner), Italiae (De Notaris), Vogesorum 

 (Mougeot), insub.e Bourbonia^ (Bory) et Mauritii (Jadin), Americae 

 foederata3 (Wolle, Farlow, Collins, Setchell) et reg. Canadensis 

 (Macocn, Wolle), Arnericas antarcticae et ins. « Hoste » Fuegiae 

 (Hariot), ins. Portorico (Moebius), Africae ccntralis (Welwitsch) et 

 Novae Zelandiae (Berggreen). 



Symplocastrum cuspidatum (W. et W.) Nob., Schizothrioc cuspidata 860 

 West W. et G. S. New Brit. Freshw. Alg. in Trans. of the Roy. 

 Microsc. Soc. 1896, p. 164, Symploca cuspidata W. et G. S. West 

 Alg. of W. Indies in Journ. of the Linn. Soc. XXX, p. 273, t. XVI, 

 f. 1-7. — Strato bryophilo, late expanso, griseo-luteo; fasciculis 

 erectis, angustis, subulatis, aggregatis, passim densis, 8-15 mm. 

 altis, aeruginescentibus; trichomatibus aerugineis, flexuoso-intricatis, 

 1,9-2,3 [X. diam., in strato strictioribus, apicibus versus fasciculo- 

 rum, 1-3 in vagina lata 13,5-25 ]x. diam. inclusis, saepe interruptis, 

 distincte articuhitis; articulis diam. 2-4-plo longioribus; vaginis 

 achrois, pellucidis vel stratibus parallelis formatis, ambitu sa^pe 

 subrugosis, apice angustioribus et siepe ramosis. 



Hah. in cacumine montis «Trois Pitons» circa 1500 m. altit. 

 ins. Dominica3 (Elliot) et in Anglia (West). — Var. luteo-fusca 

 W. et G. S. West Om some Freshw. Alg. from the W. Indics: 

 strato ferrugineo, denso, 1-2 mm. alto; fasciculis brevioribus, 4-6 

 interdum 10 mm. altis, articulis crassioribus, 2,5-3,5 jjl. diam. ; va- 

 ginis 15-40 (x. diam., sajpe 2-3 vel plurima trichomata circumdantibus. 

 Passim cum typo et solitaria in insula Dominica (Elliot). 

 Sympiocastrum mascarenicum (Gom.) Nob., Schizothrix mascare- 861 

 nica Gom. in Jad. Alg. des Mascar. in I3ull. de la Soc. bot. de France 

 t. XL, 1893, p. CLXVI, c. ic. — Filis e basi decumbenti et intricata 

 paralleliter ascendentibus et in fasciculos erectos spiniformes ad 

 2 mm. altos dense coalitis, tortuosis, superne in lacinias adpressas 



