— 188 — 



4. C. fastigiata Mont. Gent. I. Nr. 16; Web. v. Bosse 1. c. p. 262; 

 De Toni Syll. I. p. 442. 



f. minor Web. v. Bosse 1. c. p. 263. 



The little plants exactly agree with the original specimen (in the 

 Botan. Museum of Hamburg) on which Mad. Weber v. Bosse has founded 

 the forma minor. 



Koh Kahdat, in 1—2 fathoms water (coral-sand). 

 Area: Brazil. 



5. C. verticillata J. Ag. Alg. Liebm. p. 6; Alg. Syst. I. p. 6; Web. 

 v. Bosse 1. c. p. 267; De Toni Syll. I. p. 443. 



N. of Koh Kahdat on coral-reefs in shallow water. 

 Area: W.Indies; Ceylon; Friendly and Tonga Islds. 



6. C. scalpelliformts (R. Br.) Ag. Spec. p. 437; sens. ampl. Web. 

 v. Bosse 1. c. 268. — C. denticulata Decn. — Fucus scalpelliformts R. 

 Br. in Turn. Hist. t. 174. 



Fragment only which perhaps is to be referred to var. intermedia 

 Web. v. Bosse 1. c. p. 287. 



Between Koh Mesan and Gape Liant, in 9 fathoms water. 

 Area: Red Sea; Australia; Tasmania; Ceylon; Mauritius. 



7. C. plumaris (Forsk.) Ag. Spec. p. 436 ; W T eb. v.- Bosse 1. c. p. 294; 

 De Toni Syll. I. p. 453. — Fucus plumaris Forsk. Flor. aegypt. p. 190. 



f. longipes Web. v. Bosse 1. c. p. 295. — C. plumaris 

 v. longipes J. Ag. Alg. Syst. I. p. 15. — Fucus taxifolius Turn. Hist. t. 

 54. non Vahl. 



Koh Kahdat, in 1 — 2 fathoms water (coral-sand). 



Area: In all tropical Seas. 



8. C. Freycinetti Ag. Spec. p. 446; sens ampl. Web. v. Bosse 1. c. p. 310. 



var. tv pir a Web. v. Bosse 1. c. p. 312. 

 Koh Kahdat, in 1 — 2 fathoms water (coral-sand). 

 Area: Guadeloupe; Red Sea; warm Pacific. 



var. pectiiiata Web. v. Bosse 1. c. p. 316 1 ). 

 A fragment only. 



Koh Kahdat, in 1—2 fathoms water (coral-sand). 

 Area: Guadeloupe. 



l ) The determination of this fragment I owe to the kindness of Mad. 

 Weber v. Bosse. 



