POLYPODIACE.E. 67 



Plate 8. — Fig. 1, 1. Plants, natural size. la. Cross section of the 

 stipe, 1 b. Hairs from the base of the stipe. 1 c. Section of a 

 pinna. 1 d. Articulated hairs mixed with the sporangia. 1 e, e. 

 Sporangia. — The details magnified. 



25. CERATOPTERIS, Brongn. 



(Acrostichi Spec. Linn. Pteridis Spec. Sw., Willd. Ellobocarpus, Kaulf.) 

 1. Ceratopteris thalictroides, Brongn. 



Ceratopteris thalictroides, Brongn. ex Hook. Gen. Fil. t. 12. 

 Pteris thalictroides, Sw. ex Willd. Spec. PI. 5, p. 378. 

 Ellobocarpus oleraceus, Kaulf. Ermm. Fil. p. 148. 



Hab. Luzon, Philippine Islands : in fosses near the city of Manilla, 

 and marshy grounds, Santa Cruz. 



Tribe II. ACKOSTICHIE^E, J. Sm. 



26. ELAPHOGLOSSUM,»«. 



(Acrostichi Spec. Auct. Olfersi^j Spec. Presl.) 



1. Elaphoglossum Raddianum. 



Acrostichum Raddianum, Hook. & G-rev. Ic. Fil. t. 4. 

 A. spathulinum, Kaddi, Plant. Brasil. p. 3, t. 15, f. 2. 



Hab. Estrella Pass, Organ Mountains, Brazil ; on trees and rocks. 



An excellent figure of this plant is given in Hooker and Greville's 

 Icones Filicum. 



