328 FLOBiDE^ (Barton). 



2. P. Harveyana Crn. in J. Ag. Sp. Alg. vol. ii. pt. 2, p. 501. 

 LOANDA. — Morro das Lagostas ; July 1854. No. 122. 

 St. Vincent, Cape de Verde. — Praia de Grale ; 22 Aug. 1853. 

 No. 236. 



18. GRATELOUPIA Ag. Spec. Alg. i. 221. 



1. G. lanceola J. Ag. Sp. Alg. vol. ii. pt. i. p. 182. 



Loanda. — Fronds gregarious, chiefly covering the sides of rocks and 

 stones ; fertile plants always much branched, when sterile smaller. 

 Colour when alive a dark steely purple Hab. on the Angola shores 

 near Morro das Lagostas, rare, on rocks ; July 1854. No. 120. 



19. MELOBESIA Lam. Hist. Polyp. Flex. 313. 

 1. M. eorticiformis Kiitz. Sp. Alg. p. 696. 



St. Vincent, Cape de Verde. — On the fronds of Gelidium rigidum 

 on the shore ; Aug. 1853. No. 251. 



20. CORALLINA Lam. Polyp, fl. p. 275. 

 1. C. officinalis Lam. Fauna Suec. n. 2234. 



Madeira. — Praia de Oamara dos Lobos ; Aug. 1853. No. 268. 



A certain number of the algae collected by Dr. Welwitsoh are 

 not sufficiently -well preserved to be named specifically, and are 

 therefore not given here. Among these are species of Cyanophyceoe, 

 Cladophora, Sargassum, Dictyota, Corallinem, Gracilaria, Poly- 

 siphonia, and Nitophyllum. 



