1590 Eu-FloridegB, Grateloupiacege, Prionitis. 



Harv. Coll. Alg. N, W. Amer. Coast p. 174, n, 71 : fronde creber- 

 rime bi-tripinnata, pinnis pinnulisque horizontalibus. Ad rupes 

 « Esquimault » (Lyall). 



6. Prionitis elata Okam. Contrib. Knowl. Mar. Alg. of Japan III 2501 

 (1899) pag. 8, t. 1, f. 1-2. — Fronde lineari, ancipiti-conipressa, 

 dichotoma, marginibus apiceque prolificationibus conformibus in- 

 structa, segmentis hinc inde constrictis et in apicem obtusum aut 

 bifidum terminantibus; tetrasporangiis et cystocarpiis sporophylla 

 tenuia parva occupantibus, secus margiuem utrunque seriatis. 



Hah. in lapidibus et conchis in profunda aqua in mari Japo- 

 nico ad « Sagami, Boshu, Kadzusa, Hitachi » (Okamura). — Fron- 

 des 20-50 cm. ]ong;e, ca^spitosge. Segmenta linearia, 1,5-2,5 mm. 

 lata, nunc suba^quilata, nunc passim constricta. Color ruber. Sub- 

 stantia cartilaginea, rigida, in sicco fere cornea. An Polyopes ? 



7. Prionitis articulata Okam. Contrib. Knowl. Mar. Alg. of Japan III, 2502 

 (1899) p. 4, t. 1, f. 3-4. — Fronde plano-compressa, breve stipi- 

 tata, irregulariter di-polychotoma, segmentis in interuodia cuneata 

 elliptica aut clavata constrictis, tetrasporangiis in sporophyllis te- 

 nuibus parvis rotundatis oblongisve e disco et margine egredienti- 

 bus soros efficientibus. 



Hah. m mari Japonico ad « Mikawa, Shima » (Okamura). — 

 Frons 15-20 cm. longa. Segmenta 2-3 cm. longa, 3-7 mm. lata. 

 Color saturate ruber. Substantia cartilaginea, rigida, in sicco quasi 

 cornea. 



8. Prionltis Schmitziana Okam. Contrib. Knowl. Mar. Alg. of Japan 2503 

 III (1899; p. 4, Crijptonema Wilsoni Okam. New or little Kn. 

 Alg. Jap. p. 8, t. IX, f. 16-22 (non J. Ag.). — Fronde stipitata, 

 ecostata, e margine et apice et paginis repetite ramoso-prolifera, 

 segmentis foliiforinibus late lanceolatis simplicibus furcatisve pe- 

 dicellatis, integris aut margine erosis; frnctu utriusque generis 

 sporophylla occupante. 



Hah. in rupibus in profundiori aqua in mari Japonico ad 

 « Shima, Mikawa, Sagami » (Okamura). — Frondes nunc solitariie, 

 nunc cfespitoste e disco radicali communi scutato surgentes, elatte. 



9. Prionltis declpiens (Mont.) J. Ag. Sp. II, p. 188, Gelidium de- 2504 

 cipiens Mont. Voy. Bonite p. 86, t. 145, fig. 2, Kuetz. Sp. p. 763, 

 Tab. Phyc. XVIII, t. 47. — Fronde compressa lineari, irregulari- 



ter decomposito-dichotoma, segmentis alternis fasciculatisque mar- 



gine minute pectinatis, terminalibus sensim attenuatis acutiusculis. 



Hab. ad oras Peruviae. — Frondes plures ex eodem puncto scu- 



