241 



Jerha caranga. Haliseris delicatula and H. Justii. 



hima. Chaetomorpha Linum. 



Jerha di Tortuca. Ulva fasciata f. taeniata. 

 Jerha di vrega vulgar kratsja-kratsja. Halimeda incrassata, 



f. Lamourouxii. 

 Jerba crap. Halimeda Opuntia (kratsja-kratsja). 



vrcga-schrobben. Halimeda Opuntia f. cordata. 

 Pieterselie di lama. Acetabularia crenulata. 

 Jerba di garnaaltje. Acetabularia caraïbica and Gracilaria 



llchenoïdes. 

 Jerha di siringa. Caulerpa racemosa var. laete-virens. 

 Jerba di ploenia. Caulerpa sertularioïdes f. brevipes. 

 Pompon di awa. Penicillus elongata. 

 Jerha di cania. Zostera. 



EXPLANATION OF THE PJATE. 



Fig. 1. Zellera Boekei n. sp. upper part of the plant. 

 Fig. 2. Z. Boekei young winged branch of tliird order, 



enlarged. 

 Fig. 3. Z. Boekei. winged branch of second order enlarged. 

 Fig. 4. Z. Boekei growing point of the winged branch of 



third order. 

 Fig. 5. Z. Boekei. Top of the winged branch of second order. 

 Fig. 6. Hypoglossum tenuifolium (Harv.) J. Agardh. 



f. Schoonhoveni, n. f. Pièce of the thallus with 



tetraspore-sorus. 

 Fig. 7. H. tenuifolium f. Schoo7îhoveni.Medi'àïi Rxis dorsal side. 

 Fig. 8. H. tenuifolium f. Schoonhoveni n. f. Médian axis 



from the ventral side. 

 Fig. 9. H. tenuifolium f. Schoonhoveni n. f. Top of a leave 



lengthened in a narrow band. 





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