ON GENERA AND SPECIES. 29 



Trihe VI. — Adiantiacbae, Ft. 

 Sect. 1. Adiantariae, Pr. (Ex. Haplopteris, Fr., Ptoria, L., 

 Adiantum, Linn.) 

 „ 2. Loncliitideae, Pr. {E.v. Hj^polepis, EernJi., Lon- 

 chitis, L.) 

 Goliors II. GrMNOSOREiE, Fr. (non indusiate). 



Tribe VII. — Vittakiaceae, Pr. 

 {Ex. Vittaria, Sm., Prosaptia, Fr.) 



Trihe VIII. — Poltpodjaceae, Fr. 

 Sect. 1. Struthiopterideae, Fr. {Ex. Struthiopteris, Willd.) 

 „ 2. Polypodiete, Pr. (E.r. Polypodium, Pr., Goniopteris, 



Fr., Phymatodes, Fr.) 

 „ 3. Lecanopterideae, Fr. (Leoanoptoris, EL, Calymmo- 

 don, Fr.) 



Trihe IX. — Grammitaceae, Fr. 

 Sect. 1. Grammitidoae. {Ex. Monogramma, Schlcr., Menis- 

 cium, Schrrxd., Sellig-uea, Eorij.) 

 „ 2. Hemionitideae, Fr. {Ex. Hemiuoites, Linn., G3'miio- 

 gramma, Ecsv.) 



Trihe X. — TiENiTiDEAE, Fr. 

 {Ex. Pleurogramma, Pr., Notholosna, Br., Tisnitis, Sw.) 



Trihe XI. — Aceostichaceae, Fr. 



{Ex. Polylsoti-ya, E. B. K., Platyceriuui, Desv., Acrosti- 



chum, Linn.) 



In 1845, Presl published a supplement to the above 

 work, entitled, " Supplementum Tentamenum Pteridog-ra- 

 plii»3." It consists of 119 quarto pages (without plates) ; it 

 embraces the tribes Marattiaceae, Osmundaceae, ScMzaeaceae, 

 and Lygocliaccae. Of the first ho makes two sections — 

 Marattiaceae and Banaeaceae — of which he describes forty- 

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



