AN ENUMERATION OP CULTIVATED FERNS. 



5. M. dentatum, Presl Brazil. 



6. M. reticulatum, Sw. ; 8M. Fil t. 5. Polypodium reticu- 



latum, L. Tropical America. 



64. GONIOPTERIS, Presl. 



Vernation fasciculate, erect or decumbent. Fronds pinnatifid 

 or pinnate, rarely simple, 1-4 feet high. Primary veins coste- 

 form, pinnate ; venules opposite, the whole or only the lower 

 pair, or more, angularly anastomosing, producing from their 



Genus 64. Portion of mature frond. No. 8. 



junction an excurrent sterile veinlet, which is either free or 

 anastomoses in the angle next above it. Sporangiferous 

 receptacles punctiform, medial (between the base and angular 

 junction of the venules). Sori round, obliquely biserial. Spo- 

 rangia pilose in some species. 



1 G scolopendroides, Presl. Polypodium scolopendroides, 

 Sw. ; (Plum. Fil t. 91) ; Hook. Fil Exot. 1. 18. Go- 

 niopteris subpinnata, Hort. Jamaica. 



2. G. gracilis, Moore, in Gard. Cliron. 1856 ; Lowe's Ferns, 1, 

 t. 9 A. Jamaica. 



3 G. reptans, Presl Polypodium reptans, Sw. ; Sloane's 

 Jam. 2, t. 30. Polypodium compositum, Link. 

 Jamaica. 



