55 
più corta e più scura, alta 4 cm. e ’/ 2 e larga sino a 2 mm. Pur troppo 
manca la fruttificazione ». — Grunow in lett. 
Zonaria flava, Ag. — Palma, Teneriffa (L.). 
» variegata, Mari. — Teneriffa (L.). 
» lobata, J. Ag. — Teneriffa (L.). 
Padina Pavonia, Gatti. — Is. Canarie (B.). 
Halyseris polypodioides, Ag. — Teneriffa (L.). 
Sporochnus Bolleanus, Mont. — Isleta de Lobos (B.). 
Cystoseira Abies marina, J. Ag. — Teneriffa (B.). 
» abrotanifolia, Ag. — Las Palmas, Gran Canaria (B.). 
» barbata var. pumila, Mont. — Santa Cruz di Te- 
neriffa (B.). 
Sargassum Desfontainesii, Ag. — Teneriffa (B. e L.). 
» fissifolium, Ag. — Gran Canaria (P>.). 
» vulgare, Ag. — Gran Canaria (B.). 
Liagora elongata, Zanard. — Gran Canaria e Teneriffa (L.). 
» decussata, Mont. — Gran Canaria (B.). 
» fragilis, Zanard. var. — Teneriffa (L.). 
» viscida, Ag. var. — Palma (L.). 
» distenta, J. Ag. — Isleta de Lobos (B.) e Orotava (L.). 
Galaxaura fragilis, Decne. var. — Teneriffa (L.). 
» rugosa, Lamour. — Teneriffa (L.). 
» lapidescens, Lamour. — Teneriffa (B. e L.). 
» » var. tomentosa (Ató.). — Teneriffa (L.). 
Callithanmion thuyoides , J. Ag. (forma breviarticulata). — 
Gran Canaria (L.). 
Grifflthsia barbata, J. Ag. — Teneriffa (L.). 
Ceramium ciliatum, Duci. — Gran Canaria (L.). 
» rubrum, Ag. var. Liebetruthii, Gran. — Gran Ca- 
naria (L.). 
« C. interne repens, ramis erectis (2 cm. longis) dichotome et lateraliter 
subfastigiatim ramosis, favellis parvis in apice ramorum, involucris brevibus. 
Articuli obsoleti breves. Parietes ar.ticulon.un e strati tribus compositae; 
cellulae internae maximae, cellulae externae in sectione transversali ob- 
longae, a superficie visae rotundae minutae ». — Grunow in lett. 
