JLVFEXDIX II 



Fertile, a fertile flower is synonymous with a perfect 

 female flower. A fertile stamen is one that developes 

 functional pollen, in contradistinction to a staminode. A 

 fertile frond in a fern is one that bears sporangia. 



-fid, used in composition, divided about half.way down 

 Cp. -partite, -lobed, -sect. 



Filament, the stalk of an anther, i.e., the lower part of a 

 stamen. It may, bowever t be absent, in which case the 

 anther is sessile. 



Filiform, very slender, hair-like. 



Fimbriate, clothed with filiform appendages. 



Flabellate, fan-shaped. 



Flower, the organs of reproduction (stamens or pistil) 

 together with the usually more or less modified portion of»the 

 axis (torus, receptacle) on which they are inserted, and 

 together with the specialized leaves (perianth, calyx, corolla), 

 if any, which surround or envelope these organs. 



A typical 2-sexual flower consists of (1) two circles 

 (whorls) of perianth leaves, the cuter of which is green and 

 herbaceous {calyx), the inner (corolla) white Or coloured and 

 of different texture (petaloid), (2) one or more whorls of 

 'male organs (stamens), (3) one or more carpels which bear 

 the ovules. All or some of the above parts may be arranged 

 spirally in some flowers, and any or all may be absent with 

 the exception of a single stamen or a single carpel (Vide 

 Intro., p. 65.). 



-foliolate, in composition refers to the leaflets in a com- 

 pound leaf, e.(/., 3-foliolate means with 3- leaflets. 



Free, not united with other members. 



Free central placentation, where the ovules are situated 

 on the axis of a unilocular ovary. 



Frond, a term applied to the leaf of a fern. 



Fructification, a fruit or aggregation of fruits, including 

 filO 



