6LASS XXIV. CRYPTOGAMIA, 



Frutification anomalous or conceakd. 

 ORDER I. FILICES. 



fierbfrsndofe'fruclification dorfal, or terminal, or nearly radical. 

 A. Capfules 1- celled, furrounded with an elastic ring. 



1869. Acrostichum. Capfules much crowded, occupying the whole 

 diflc of the frond: involucre q. 



1870. Meniscium. Capfules in nearly parallel lines, with inter- 

 vening veins of the frond: involucre p. 



1871. Hemionitis. Capfules in decuifate forked or reticulate lines: 

 involucre o. 



1872. Grammitis. Capfules in ftraight fcattered lines : involucre o. 



1873. Polypobium. Capfules in roundiih fcattered dots: involucureo. 



1874. Aspidium. Capfules in reundifh fcattered dots: involucre urn- 

 bilicate, opening nearly all round. 



1875. Asplenium. Capfules in ftraight fcattered lines: involucre 

 lateral, opening inwardly. 



1876. Da re a. Capfules in nearly marginal lines: involucre lateral, 

 opening outwardly. 



1877. Scolopendrium Capfules in fcattered double lines, between 

 veins: involucres fuperficial, opening by a longitudinal future. 



j8;8. Diplazium. Capfules in fcattered deculfate double lines, 

 near the vein of the frond: involucres originating from (be vein, 

 opening outwardly both fides. 



1879. Lonchitis. Capfules inlunate lines, from the finufes of the 

 frond: involucre from the in fleeted margin of the frond, opening 

 inwardly. 



1880. Pteris. Capfules in a continued marginal line: involucre 

 from the infle&ed margin of the frond, opening inwardly. 



1881. Vittaria, Capfules in continued lines along the difk or 

 margin of the frond: involucre continued, double ; one of them 

 opening outwardly, the other inwards. 



18S2. Onoclea. Capfules crowded, occupying the whole back of a 

 different frond : involucres continued or interrupted, from the 

 revolute membranaceous margin of the frond, opening inwards. 



^883, Blechnum. Capfules in longitudinal continued folitary lines, 

 parallel with the rib of the frond: involucres fuperficial, continued, 

 opening inwards. 



