792 PHYLLOPHORA. ACANTHOTHYLUS. CIIAETANGIU.M. 



margine crenulato-dentatis superne undulatis. — Aresch. Iconogr. 

 phycol. Tab. II. — Ad oras Brasiliae. 



4) P. cuneifolia. Hook. et Harv. Lond. Journ. 4845. p. 260. 

 — P. phycomate 4 — 2poilicari, stipitato late cuneato vel flabelli- 

 formi 1 — 1 y 2 " lato , integro vel emarginato , e disco vel apice 

 phyllomata consimilia emittente. — Ad ins. Falkland. 



Species perobscura : 

 Phyllophora diversifolia. Suhr , Regensb. Fl. 4840. p. 262. 



532. ACANTHOT|YLUS. Kg. Phyc. gener. p. 44 3. 



Phycoma sursum planum ramosum. Structura Phyllophorae. 

 Sirothelia in disco sessilia, spinosa, spinis inilio terminaJibus re- 

 flexis adpressis, deinceps patentibus. Cystocarpia ignota. 



A. Heredia. Kg. I. c. — A. caule filiformi mox in phylloma 

 dichotomum dilatato , segmentis lineari-cuneiformibus confertis, 

 ultimis fimbriatis angustissimis , sirotheliis axillaribus. — Sphae- 

 rococcus Heredia Ag. Spec. I. p. 243. — Fucus Heredia Clem. 

 Ensay. p. 34 4. — Fucus laciniatus Balb. Elench. p. 5. — • Fucus 

 Cypellon Bert. Amoen. ital. p. 292. Tab. V. Fig. 5. — Chondrus 

 Cypellon Zanard. — Halymenia spermophora Lamour. — Deles- 

 seria spermophora Lamour. — Fucus spermophorus Linn. Syst. 

 nat. 2. p. 74 9. — Turn. Tab. 76. — Phyllophora Heredia /. Ag. 

 med. p. 94. — In mari atlantico (ad Britanniam minorem, Gades) 

 mediterraneo et adriatico. (v. v.) — Spec. dederunt Lenormand, 

 Biasoletto , Bertoloni. 



Familia IiXXIX. Chaetangieae. Kg. Phyc. gener. p. 389. 



Algae duriusculae cartilagineae. Structura (delicatissime) per- 

 enchymatica. Tetrachocarpia in loculamentis subcorticalibus ag- 

 gregata, paranematibus instructa. Cystocarpia immersa, spermatia 

 parietalia inter paranemata nidulantia. 



533. CHAETANGIUM. Kg. Phyc. gener. p. 392. 



Phycoma coriaceum stipitatum sursum explanatum; carpoma- 

 tibus numerosissimis discum et marginem phycomatis occupanti- 

 bus ; cyslocarpia verruciformia carpostomio pertusa ; spermatia 

 parietalia homogenea minuta hyalina subclavaeformia, in racemu- 

 los parvulos fasciculata, inter paranemata delicatissima , maxime 

 hyalina simplicia, nidulantia. Tetrachocarpia ignota. 



4) Ch. ornatum. Kg. 1. c. — Ch. phycomate brevissime stipi- 

 tato, sensim in phylloma lanceolatum longe acuminatum, interdum 

 laciniatum vel divisum (segmenlis lanceolatis) dilatatum; carpo- 

 matibus tuberculosis lineari-lanceolatis, breviter pedunculatis. — 



