FERNS : BRITISH AND FOREIGN. 
144 
apex of free veinlets terminating in the areoles. Sori round. 
Indusium orbicular or reniform. 
Genus 70.— Pinna of mature frond, underside. No. 3. 
* Fronds cordate, lobed, or trifoliate. 
1. A. Plumieri, Presl, Pel. Hcenk. ( excl . syn. Polypodium 
angulatum, Willd). Polypodium trifoliatum, Linn. 
Sp. PI. ( not of Linn. Herb.) ; Plum. Fil. t. 148. — 
Martinique and Dominica. 
2. A. Pica, Desv. Polypodium Pica, Linn. Sagenia Pica, 
Moore. Aspidium ebenum, J. Sm. Cat. Cult. Ferns, 
1857. Bathmium ebenum, Fee. — Mauritius. 
