8oO. CLANDES. MARRIAGES. FERNS. Afplenilim. 



jnonanthe- 20. A. fronds feather'd: feathers trapezium'd obcufe 

 mum. notch'd above, lines of fructification fingie. 



one-flower d % 



Rut a mur a- 22* A. fronds alternately decompounded: leaflets v, T edge- 



ria. form notchletted. Wall- Rue, 



Adiantum 23. A. fronds moftly three-feather'd : leaves alternate j 



nigrum. feathers lanced gafh-faw'd. Black Maiden-hair. 



Trichomanes 24. A. fronds double-feather'd : feathers inverle-egg'd 



ramofum. notched : inferiour leaflets lefs. Branchy Tri- 



chomanes. 



marginatum. 13. A. fronds feather'd ; feathers oppofite heart-lanced 



fubmargirted molt intire. margined. 



fquamofum. 14. A. fronds feather'd : feathers pointed gafh'd, ftipe 



fcaly. j cn h* 



ftriatum. 15. A. fronds feather'd : feathers feather-cleft obtufe 



notch'd ; terminal one pointed. Jlriated. 



erofum. 16. A. fronds feather'd: feathers trapefe-oblong ftriated 



gnaw'd increafmg at the bafe. gnawed. 



1 179. POLYPODIUM. FruZiif in roundifh dots, 

 fcatter'd over the difk of the frond. 



Polypody. 



* Frond undivided. 



lanceolatum. 1. P. fronds lanced moft intire fmooth, fructifications 

 folitary, fhoots naked. lanced. 



lycopodiodes. 2. P. fronds lanced moft intire fmooth, fructifications 

 folitary, fhoots fcaly creeping. Lycopodium- 



like. 



pilofelloides. 3, P. fronds lanced moft intire fhaggy : barren ones 

 egg'd ; fertile ones lanced, fructifications foli- 

 tary. Pile fella- like. 



heterophyUum. 4. P. fronds notch 'd fmooth : barren ones roundifh fef- 

 file ; fertile ones lanced, fructifications folitary. 



different-leaved. 



crafffolium. 5. P. fronds lanced fmooth moft intire, fructifications 

 in feries. thick-leaved. 



phylliudis. 6. P. fronds lanced fmooth moft intire, fructifications 

 fcattcr'd. phyllitis. 



comojum. 7. P. fronds lanced fmooth moft intire : top many- 



cleft, fructifications fcatter'd. tufted. 



8, P. 



