ON GENERA AND SPECIES. 29 



Tribe VI. ADIANTIACEAE, Pr. 

 Sect. 1. Adiantariae, Pr. (Ex. Haplopteris, Pr., Pteris, ., 



Adiantnm, Linn.) 

 2. Lonchitideae, Pr. (Ex. Hypolepis, Bernh., Lon- 



chitis, Z/.) 

 Cohors II. GYMNOSOREJ;, Pr. (non indusiate). 



Tribe VII. VITTARIACEAE, Pr. 

 (Ex. Vittaria, Sm., Prosaptia, Pr.) 



Tribe VIII. POLTPODIACEAE, Pr. 



Sect. 1. Struthiopterideae, Pr. (J&B. Struthiopteris, TFi7Z<.) 

 2. Polypodies, Pr. (.Zfo. Polypodium, Pr., Goniopteris, 



Pr., Phymatodes, Pr.) 



3. Lecanopterideae, Pr. (Lecanopteris, Bl., Calymmo- 

 don, Pr.) 



Tribe IX. GRAMMITACEAE, Pr. 

 Sect. 1. Grammitideae. (Ex. Monogramma, SchJcr., Menis- 



cium, Schrad., Selliguea, Bory.) 



2. Hemionitideae, Pr. (Ex. Heminoites, Linn., Gymno- 

 granuna, Desv.) 



Tribe X. TJCNITIDEAE, Pr, 

 (Ex. Pleurogramma, Pr., Notholaena, Br., Tsenitis, Sw.) 



Tribe XI. ACROSTICHACEAE, Pr. 



(Ex. Polybotrya, H. B. K., Platycerium, Desv. t Acrosti- 

 chum, Linn.) 



In 1845, Presl published a supplement to the above 

 work, entitled, " Supplementum Tentamenum Pteridogra- 

 phiae." It consists of 119 quarto pages (without plates) ; it 

 embraces the tribes Marattiaceae, Osmundaceae, Schizaeaceae, 

 and Lygodiaceae. Of the first he makes two sections 

 Marattiaceae and Danaeaceae of which he describes forty- 

 nine species, arranged under ten genera, five of which are 



