PLATE 86 



Biccardia riccioides sp. nov. 



(W. H. P., ad nat. del.) 



Fig. 1. Fronds, nat. size. 



Fig. 2. Portion of frond, X 31. 



Fig. 3. Cross-section of rhizome, X 24. 



Fig. 4. Cross-section of trunk, X 24. 



Fig. 5. Cross-section of branch, X 24. 



Fig. 6. Calyptra, X 16. 



Fig. 7. Cross-section of ealyjatra, X 24. 



Fig. 8. Portion of calyptra, showing papillae, X 50. 



Fig. 9. Portion of trunk ^Aith male amentula, X 16. 



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