cryptogamia. filices. Onoclea, 



793 



1 170. ONOCLEA. Spike two-rank'd : Fruftifica- 

 tion 5-valved. 



fenfbilis. I. O. fronds feather'd fubracerned at top. fenfible. 



folypsdioides. O. fronds twice-feather'd, fructifications 3-valved. 



polypodium-like. 



nyi. OPHIOGLOSSUM. Spike jointed, two- 

 rank'd : joints tranfverfely gaping. 

 Adder s tongue. 



vulgatum. 



lufitanicum. 



reticulatum. 



palmatum. 



pendulum. 



fcandens. 



flexuofum, 



fexuofum. 



nudicaule. 



O. frond egg'd. common. 



O. frond lanced. portugaL 



O. frond hearted. netted. 



O. frond handed fpike-bearing at the bafe. banded. 

 O. fronds linear moft long undivided. pendulous. 

 O. item winding columnar, fronds pair'd feather'd : 



leaflets fpike-bearing on both fides. climbing. 



O. item winding angled, fronds two-leaved: feathers 



threecleft-handed. winding. 



O. fcape winding columnar, fronds oppofite petioled 



handed : feathers lanced moft intire fmooth. S. 



winding* 

 O. leaves egg'd, fcape leaflefs-. $. naked-Jlem. 



1 172. OSMUNDA. Spike branchy: frudifications 

 globular. 



I. Is capes fitting on the Ji em at the hafe of the frond. 



1. O. ftem-fcape folitary, fronds verticil 'd lanced undi- 



L vided ' Ceylon. 



2. O. ftem-fcape folitary, frond feather'd folitary. 



3. O. ftem-fcape folitary, frond fuperdecompound. 



Virginian. 



4. Q. ftem-fcapes double, frond feather'd, ftem polifh'd. 



5. O. ftem-fcapes double, frond feather'd, ftem ftiaggy. 



/happy. 



6. O. ftem-fcapes double, fronds twice-feather'd fhaggy. 



fagged. 



* * Scapes 



zeylanica. 

 Lunar ia. 



phyllttidis, 

 hirta. 



hirfuta. 



