1588 Eu-Florideae, Grateloupiacese, Prionitis. | 



Tiirner nec C. Agardh). — Fronde inferne teretiuscula, superne 

 admodum compressa, coUabente aut plana, anguste lineari, decom- 

 posito-dichotoma flabellato-fastigiata, segmentis patentibus a mar- 

 gine sparsim pinnatis, terminalibus angustioribus apice evidentius 

 attenuatis; tetrasporangiis in pinnis segmentisque superioribus ma- 

 culas in utraque pagina subnematheciosas, ambitu certo vix con- 

 spicuas occupantibus. 



Hab. in oceano Pacifico australi ad oras Novas Guineae (Hb. 

 Bory); eadem species e mari Coreano ? (Crouan sec. J. Agardh). 

 — Planta videtur 4-7 cm. longa, dense dichotoma, segmentis li- 

 -nearibus vix plus quam 2 millim. latis et dichotomiis 1 mm. di- 

 stantibus, sub spatio fere 4 cm. aequante octies repetitis. Color 

 sordide purpureus. Substantia firma, cornea. 



3. Prionitis austraiis J. Ag. Sp. II, p. 188, Epicr. p. 158, Plujlloty- 2498 

 lus cmstralis J. Ag. Alg. Llebm. p. 9, in not. — Fronde superne 

 compressa, subplana, lineari, decomposito-dichotoma flabellato-fasti- 

 giata, segmentis patentibus margine minute ghindulosis, terminali- 

 bus infra apices evidentius attenuatos dilatatis sublanceolatis; te- 

 trasporangiis glandulas occupantibus. 



Hah. in oceano Pacifico australi (Hb. Agardh). — Frons fere 

 ad decimetrum longa, eximie fastigiata, segmentis supra axillas 

 acutiusculas patentibus linearibus, 3,5-4 mm. circiter latis, ter- 

 minalibus infra apicem acutiusculum dilatatis et ita forma fere 

 lanceolatis. Inter dichotomias proximas spatium pollicis et ultra 

 adest. Color sordide purpurascens. Substantia firma, fere cornea. 

 Glandulse marginales compressa3, obtusse, 550-580 [x. vix longae te- 

 trasporangia fovent. 



4. Prionitis pectinata J. Ag. Sp. II, p. 189, Epicr. p. 158. — Fronde 2499 

 inferne teretiuscula, mox planata, obsolete subcanaliculata, lineari, 

 distanter decomposito-dichotoma subfastigiata phyllisque margina- 

 libus simpliciusculis aut parce furcatis utrinque attenuatis fronde 

 angustioribus ceterum subconformibus densius pinnata; tetraspo- 

 rangiis phylla marginalia occupantibus, maculis ambitu certo haud 

 conspicuis. 



Hah. in oceano Pacifico ad insulas « Chincha » prope littus 

 Peruviae (Oersted). — Planta fere pedalis, distantiis 4-5 cm. parce 

 dichotoma, irregularius fastigiata, segmentis exacte linearibus 2- 

 4,5 millim. latis, infra furcas paulatim dilatatis, terminalibus sen- 

 sim attenuatis. Verrucie irregulares hic illic obviae sunt. Phylla 1- 

 2,5 cm. longa, anguste linearia, segmentis triplo angustiora, utrin- 



