344 



ED. RORMET ET €H. FL/kHACLT. 



SPECIERUM CLAVIS ANALYTICA. 



Plante aquse dulcis 

 Plantai marinse . . . . 



1. A. janthina. 



2. A. liolacea. 



1. A. jaiithiiia. 



Chroolepus .ianthinus Montagne, Plujtog raphia canariensis, p. 188, 1840; Sylloge, 

 p. 404.. 



Lei'TOTHrix janthina Kiitzing, Species Algar., p. 363, 1849; Tabulœ phycolog., I, 



p. ns, tab. 60, fig. II; — Rabenhorst, Algen, n" 1581, 1863. 

 Hypheothrix janthina Rabenhorst, Flora europ. Algar., II, p. 76, 1865. 

 Amphithrix amethystea Kiitzing, Species Algar., p. 275, 1849; Tabulœ phycolog., I, 



p. 45, tab. 79, fig. IV; Rabenhorst, Flora europ. Algar., II, p. 229. 



Thallo tenui, cmstaceo, amethysteo; filis 3-5 decimilli- 

 metra longis, i ,50 ad 2-25.pi. crassis, erectis, strictis, purpuras- 

 centibiis, arctissime vaginatis; vagina tenui uniformi; tricho- 

 matibus dilute terugineis; articulis diametro subcequalibus; 

 hormogoniis 20 p. longis (v. s.). 



Hab. in lapidibus inundatis, ad parieles fonlium Galliœ 

 (Falaise, Brébisson!), Austrise (Gastein, Diesing in herb, 

 Grunow!; Blansko in Moravia, Rabenhorst's Algen) et insu- 

 larum Canariensiiim (Webb et Berthelot). 



IIypheothiux torulosa Grunow, in Rabenhorst, Flora europ. Algar., Il, p. 70, 1865. 



Filis longioribus iisque ad 5 millimetra altis, trichoraa- 

 libus torulosis (v. s.). 



Hab. in labro ligneo pntei semper fluentis, parietibus insi- 

 dens, prope Beindorf in Austria inferiori (Grunow!). 



Hypheothrix violacea Kiitzing, Species Algarum, p. 267, 1849; Tabulœ phycolog., I, 

 p. 41, tab. 68, fig. 111; — Rabenhorst, Flora europ. Algar., II, p. 76. 



Var. toi'iilosa. 



2. A. violacea. 



Thallo cœspitoso fusco-rubro vel violaceo; filis fascicu- 



