KEPORT ON THE BOTANY OF THE ATLANTIC ISLANDS. Ill 



Key West, Florida. 



It is probable that the alga named Bostrychia scorpioides, Mont., by Kemp, is this 

 species. 



Dasya elegans, K. A. Agardh. 



Dasya elegans, K. A. Agardh, Sp. Alg., ii. p. 117; Kiitz., Sp. Alg., p. 796; Harv., Nereis Bor.-Am., 

 ii. p. 60; Rein in Bericht Senckenb. Naturf. Gesellsch., Frankf. am M., 1873, p. 152. 



Bermudas. Rein. 



Adriatic ; Canaries ; and common on the eastern coast of North America. 



Dasya tumanowiczii, Gatty. 



Dasya tumanowiczii, Gatty ; Harv., Nereis Bor.-Am., ii. p. 64 ; Dickie in Journ. Linn. Soc. Lond., 

 xiv. p. 314. 



Bermudas. — In shallow lagoons — Moseley. 

 Florida ; West Indies ; Brazil. 



Dasya mucronata, Harv. 



Dasya mucronata, Harv., Nereis Bor.-Am., ii. p. 63 ; Kemp in Canad. Nat. and Geol., May 1857. 



Bermudas. Kemp. 



Key West, Florida. 



Laurenciace.e. 

 Laurencia obtusa, Lamour. 



Laurencia obtusa, Lamour., Ess., p. 42 ; Kiitz., Sp. Alg., p. 854; Harv., Phye. Brit., t. 148, et Nereis 

 Bor.-Am., ii. p. 72; Dickie in Journ. Linn. Soc. Lond., xiv. p. 314. 



Bermudas. Moseley; Kemp; Rein. 



A very widely dispersed species. 



Laurencia gemmifera, Harv. 



Laurencia gemmifera, Harv., Nereis Bor.-Am., ii. p. 73, t. 18, B. ; Dickie in Journ. Linn. Soc. Lond., 

 xiv. p. 314. 



Bermudas. — Shallow water — Moseley ; Rein. 



Florida Keys. 



Laurencia papulosa, Grev. 



Laurencia papulosa, Grev. ; J. G. Agardh, Sp. Alg., ii. p. 756 ; Kiitz., Sp. Alg., p. 855 ; Harv., 

 Nereis Bor.-Am., p. 74; Rein in Bericht Senckenb. Naturf. Gesellsch., Frankf. am M., 1873, 

 p. 152. 



Bermudas. Kemp; Rein. 



