ZONARIA. 137 



Dictyota dentata, Lamour* extr, Jpwyn» Uot. 



p. 15. — Ess. p» 58. • o 



Fucus atomarius, Gniel. F. p. 135. t/io;^. I.? 



Ad ADt.Ua*, 



Specimeu communicavit Lamouroux» 



Synonymon Gmelini dubium, dpscriptione satil 

 convtinientej ssd icone valde dissimili, 



5. Obsokte unmervey, 



16. ZoNARiA INTERRUPTA, ffOnde rnedioteniis 

 uninervi superne zonata dichotoma, seg- 

 mentis linearibus apice rotundato-truncalis 

 rnargine laceris. 



Dictyota interrupta, Lamour. Essai p. 57, 

 t. 6. f, I. 



Dictyota subarticulata, Laraour. extr. 

 Journ, Bot. p. is? 



Fucus interruptus, Turn. Hist. t, 245. 



Padina angustata, Paliss. Beauv. sec. «pe- 

 cimen in collect. Hornemnnni. 



In oris, novee HoUandize, India. — Ad Mada- 

 gasccar. 



Speeimen communicavit Swartz. 



Radix: callus orbicularis, stuposus. Frondi9 

 aggregatae, semipedales, Ijasi compress» & sesquili- 

 rieam latee, tensim in latitudinem unguicularern 

 explanatae', subdichotoma; segmentis basi angusta- 

 tis, apice rotundatc-truncatis, margine inciio-sinua- 

 tis, mediotenus nervo nigricantt costatif, superno 

 zonis atrofuscis notatis, proliferis, Capsnlos laete ru- 

 bra?, in zoni»; concentricis nidulantes. Color ir>fer- 

 ne fusrus, opacui?, superne lateritius, aubpelluci- 

 clus. Suhstantia inferne caitilaginea, crassa; super- 

 ue membrdnaG«a, tenuis. 



I 5 Syg 



