F R 



lungs of plants by which they attract and tran- 

 fpire the aii- : they are fmplex or compofttum. 



FOLLICULUS [dim. Ifollh, a bag] a fpc- 

 cies of Pericarpium firft mentioned by Linnseus 

 in his Deltneatio Plantce : it is univalvis, or blval- 

 vis : it feems to exprefs what he formerly de- 

 noted by conceptaculum. 



Folliculi are little glandular veflels diftended 

 with air, on the furface of fome plants, as at 

 the root of the Utricularia, and on the leaves 

 of the Jldrovanda : in the firft ii:iftance they are 

 vafcula hicorm'a, and in the latter fol/iculi fetnidr- 

 culares. 



FORNICATUM Petalum iFornix, an arch 

 or vault] arched, or vaulted, as in the Lamium, 

 Galeopfis, Stachys. 



FREQUENS Planta, frequent, when grow- 

 ing fponraneoufly in great numbers, fynonym, 

 with Vulgaris, 



FRONDESCENTIA Ifrons, a leaf] com- 

 prehends the precife time of the year when a 

 plant firft unfolds its leaves. 



FRONDOSUS caudex Ifron:, which fee] as 

 in the Palma, 



K 1 Frondojus 



