Foveola 



OF BOTANICAL TERMS. 



Frustule 



FOVE'OLA (pi. Fove'olse), a little 

 pit or depression; diminutive 

 of Fovea. 



FO'VEOLATE, marked with little 

 pits or depressions. 



FOVlL'LA (pi. Fovil'lae), the con- 

 tents of a pollen- grain; gener- 

 ally used in the singular for 

 the entire contents, but some- 

 times applied to the individual 

 granules in the fluid proto- 

 plasm. 



FREE, not united with any dis- 

 similar part; opposed to Ad- 

 herent. Compare Distinct. 



FREE CELL-FORMA'TION, the 

 production of new cells within 

 another, generally free from 

 the cell-wall of the original or 

 mother cell. Usually applied 

 to cases in which several nuclei 

 appear within the cell, each of 

 which becomes surrounded by 

 an independent cell-wall, as in 

 the production of pollen; in- 

 ternal or endogenous cell-for- 

 mation. 



FREE GROWING, thrifty or vig 

 orous, as opposed to dwarf or 

 feeble. 



FREE-ST6CK, a seedling tree of 

 the same species used for graft- 

 ing, as opposed to a stock of a 

 different species, the latter be- 

 ing generally used for dwarf- 

 ing. 



FREE'STONE, applied to drupes 

 in which the flesh separates 

 readily from the pit when 

 ripe. Compare Clingstone. 



FRlLL, see Armilla. 



FRINGED, see Fimbriate. 



FROND, the leaf in ferns, espe- 

 cially the foliage portion of it; 

 the expanded leaf-like portion 

 of the thallus of liverworts; 

 the stem and leaves taken to- 

 gether in plants where the dis- 

 tinction between leaf and stem 



is not obvious, or where, as in 

 Equisetuin, the leaves are un- 

 important; the whole expanded 

 leaf-like or branching thallus 

 of many marine algas. 



FRONDES'CENCE, see Foliation 

 and Phyllody. 



FR6N'DlF0RM, frond-like or 

 frond-shaped, especially like 

 the leaves of ordinary ferns. 



FRON'DOSE, frond-like, or pro- 

 ducing fronds instead of ordi- 

 dary foliage; leafy or leaf like. 

 (Rare.) Compare Thalloid. 



FRON'DOSE THAl'LUS, see Fo- 

 liaceous Thallus, 



FR6TH Y, see Warty. 



FRUCTES'CENgE, the time at 

 which a fruit arrives at ma- 

 turity. 



FRUCTIFICATION, the fruit and 

 attendant parts; an inflores- 

 cence at any stage of growth; 

 the process of development of 

 a fruit and its attendant parts, 



FRUCTIFICATION, ORGANS OF, 

 stamens and pistils. 



FRUIT, the mature ovary and its 

 contents, together with any 

 closely adhering part; special- 

 ized reproductive bodies of any 

 kind, as the spores of crypto- 

 gams, including any modified 

 portion of the plant in which 

 they are produced. The term 

 is also extended to many con- 

 solidated forms of inflores- 

 cence, as the cone of the pine. 



FRUIT'-BUD, generally the same 

 as Flower-bud. which see. 



FRTJIT'-DOT, see Sorus 



FRUIT' SPUR, a short stout 

 branch, bearing one or more 

 flower-buds, as in the apple. 



FRUMENTA'CEOUS, producing or 

 pertaining to edible grain. 



FRUS'TULE, the individual in 

 Diatomaceae (often joined to- 

 gether in colonies). 

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