feQUIT ANT, in foliation, ivherc tlie sides of leayca converge in paralleV 

 lines, so that tlie inner-leaves are enfolded by the outer ones : 

 1 plate 8, fig. 26, 27. 



ERODED, having the edges irregularly jagged as if gnawed or eaten 

 by inse6ts. 



EXTR AFOLIACEOUS, growing On the outside of leaves or below thcife 



TALCATE, shaped like a sickle. 

 FASCICLED, clustered together as in a bundle. 

 FASTIGIATE^ liat and even at top : plate 7, fig. 2. 

 FATISCENT, spontaneously mouldering and falling to pieces in the air. 

 FEELERS, organs fixed to the mouth of insetls, generally less than 



the antenna?, and often jointed : Insecis-^ ^g* '^j 9; b, 

 FENESTRATE, applied to the iiaked hyaline transparent spots or 



the wings of buttertiie's. 

 FESTCCINE of a shivery or splintery fracture. 

 FETTERED, applied to the i(ict of animals when they are stretched back- 



Mards, and appear unfit for the purpose of walking, or when they are- 



concealed within the integuments of the abdomen, as in some birds. 

 FILAMENT, a slender thread-like substance, that part of the stamen 



which supports the anthera, and connects it with the flower-: 



plate 6, fig. 8 ; t?. . . 



FILATE, applied to the antenna? of insedis, -when they want the 



round knob at iha tip. 

 FILIFORM, thread-shaped, slender and of equal thickness^ 

 FILOSE, ending in a thread-like process. 

 FIN, the or^an in fishes, by v»hich they perform their Several movc-r 



ments in the water : Fishes^ fig. 1 ; a-e. 

 FINGERS, cartilaginous slender appendages, sometimes observable 



in fishes, between the pectoral and ventral fins; Fuhes^ fig. 4; c. 

 FLORET, the separate and distinct flower of an aggregate or compound 



one : plate 6, fig. IS, 19, 20. 

 FLOSCULaR, the tubular floret of a compound flower when destitute 



of ray: plate Q, fig. 18, 20. 

 FOLIACEOUS, leafy, or leaf-like. Herbaceous, with leaf-like parts. 

 FOLLICLE, a single-valved seed-vessel, opening longitudinally on one 



side : jilaie 8, fig. 7. 

 FOVEOLATE, honeycombed, covered superficially with cubic hollows. 

 FOVILLA, the fine imperceptible substance discharged by the pollen 



of the anthers. 

 FRIABLE, easily crumbled or reduced to powder. 

 FROND, the leafy part of ferns and lichens supporting the fru6tificatioh 

 FRONT, the anterior part of the crown of the head in animals. 

 FRONTLET, the margin of the head behind the bill of birds, generally 



clothed with rigid bristles : Birds; tig. 2, d, 

 FRUTESCENCE, the period of vegetables when they scatter their 



perfecl seeds and fruits. 

 FRUSTRANEA, the third order of the class syngenesia, containing 



those compound plants which have fertile florets in the diskj and 



impexfect and barren ones in the ray. 



