delineated being rather in an imperfect state, the viviparous 
character, from which the proper appellation is derived, does 
not appear in the plate. 
From the Polyhotrya osmundacea of Willdenow 
and Humboldt, published in the 1st volume, tab. 2. of the 
Nova Genera et Species Plantarum of the latter author, the 
present individual differs in its simply pinnate, not bipinnate 
fronds. 
Fig. 1. Portion of a pinna, with clusters of capsules. Fig. 2. Single un- 
opened capsule. Fig. 3. Single capsule, in the act of bursting.—^// more 
or less magnified. 
