350 MyxophycefB, Scliizotricliege, Inactis. 



divisis et pseudoramosis apice longe acuminatis; vaginis crassis, 

 hyalinis, firmis, valde lamellosis, ambitu erosis, chlorozincico jodu- 

 rato casrulescentibus; trichomatibus olivaceo-viridibus, intra va- 

 ginam paucis, subremotis, parallelis, interdum solitariis, ad geni- 

 cula haud constrictis, 4-6 \l. crassis, apice acuminatis; articulis 

 diam. trichomatis subaequilongis vel eo paulo brevioribus, 2-5,5 [x. 

 longis, contentu tenui-granuloso farctis; dissepimentis pellucidis; 

 cellula apicali plus minusve acute conica. 



Hab. ad muros per insulam Mauritii (Jadin). 



5. Symplocastrum rubrum (Menegh.) Nob., Schizothrix rubra Gom. 862 

 Monogr. p. 315, t. VIII, f. 15-16 (non Crouan), Symploca rubra 

 Menegh. in Kuetz. Sp. p. 270, Tab. Phyc. I, p. 43, t. 73, f. II. — 

 Strato csespitoso, carneo, rufescenti vel fusco; filis elongatis, in 

 lacinias numerosas adpressas divisis et pseudoramosis, inferne tor- 

 tuosis et intricatis, superne minus flexuosis et parallelis, fasciculos 

 breves, erectos, apice acuminatos formantibus; vaginis cylindricis, 

 firmis, amplis, sublamellosis, superficie leviter erosis, ad basim 

 frequenter transverse corrugatis, apice longissime acuminatis, chlo- 

 rozincico jodurato ca^rulescentibus; trichomatibus intra vaginam 

 paucis vel ssepius solitariis, dilute rubris, ad genicula siccitate 

 constrictis, 1,6-2 jj.. crassis; articulis diam. trichomatis sajpius 

 longioribus, rarius subquadratis, 2-3,5 jj.. longis: dissepimentis saepe 

 granulatis; cellula apicali rotundata. 



Hab. in Italia prope Ferrariam (Meneghini) et in ditione Ala- 

 skana (Setchell). 



INACTIS Kuetz. [1843] in Tab. Phyc. I, p. 44, emend. Thur. Essai 

 de Classific. des Nostochinees p. 375-79 (Etym. is, inos fibra et 

 actis radius), Schizotrichis, Inomerim, Calotrichis, Hydrocolei, 

 Lyngbyce, Hypheotrichis, Leptotrichis, Leptomiti, Leibleinicv, Phor- 

 midii, Oscillarice sp. Auct. — Fila csespitosa, saepius crebre pseu- 

 doramosa, pulvinulos demum concrescentes frequenter calce in- 

 crustatos et hipideos, intus zonatos (zonis discoloribus) formantia 

 aut in fasciculos penicillatos, fluctuantes aggregata; vaginae hyalinse 

 aut vix coloratie. 



Obs. Plantoe rivulorum, scrobiculorum et stillicidiorum incolce. 



1. Inactis pulvinata Kuetz. Tab. Phyc. I, p. 44, t. 77, f. III p. p., 863 

 Schizothrix pulmnata Gom. Monogr. p. 298, Inactis tor?iata p 

 pulvinata Kuetz. Sp. Alg. p. 273 p. p., Inomeria Brebissoniana 



