302 



GLOSSARY OF SOME BOTANICAL TERMS 



Dicotyledonous , composed of two 

 seed-lobes. 



Didynamous, having four stamens, 

 two long and two sliorL. 



Dicecioiis plants, are those which 

 have the stamens and pistils in 

 separate flowers and on dif- 

 ferent plants. 



Disk, the central part of a com- 

 pound flower ; a flat space sur- 

 rounding the ovary. 



Drupe, a nut enclosed in pulp. 



Duct, an imperfectly spiral vessel. 



Egg-shaped, oval, with the base 



broader than the extremity. 

 Elliptical, egg-shaped, with both 



ends alike. 

 Emarginate, notched. 

 Embryo, the bud contained in a 



seed. 

 En s ijorm , sword-shaped. 

 Entire, not cut at the edge. 

 Epidermis, the cuticle or skin of a 



plant. 

 Erect, growing perpendicularly. 

 Exserted, protruded beyond the 



other parts. 



Farinaceous, abounding in flour. 



Fascicled, growing in a dense tuft. 



Fertile, bearing pistils and pro- 

 ducing seeds. 



Floret, one of the small flowers 

 composing a composite flower. 

 Natural Order, Compositas, 



Free, not united. 



Frond, the leaf of a fern. 



Fructification, the parts composing 

 the fruit. 



Fruit, the seed with its covering. 



Furcate, forked. 



Fusijorm, spindle-shaped. 



Gaping, having an open mouth. 

 Germen, or ovarj^, the lowest part 



of the pistil. 

 Gibbous, swollen at the base, as in 



the flowers of Snapdragon. 

 Glabrous, perfectly smooth. 

 Gland, a cell containing some 



secretion. 



Glaucous, covered with a pale 



green bloom. 

 Glume, the chaff of the grasses. 



Habitat, the locality in which a 



plant grows. 

 H albert-sJiaped , arrow-shapcd,with 



the barbs turned outwards. 

 Hastate, halbert-shaped. 

 Herbaceous, having a succulent 



stem. 

 Hispid, bristly. 

 Hybrid, intermediate between two 



distinct species, and partaking 



the characters of both. 



Imbricated, overlapping, hke the 

 tiles of a house. 



Indehiscent, not opening with 

 joints. 



Indigenous, native, or growing 

 wild. 



Inflorescence, mode of flowering. 



Interruptedly pinnate, \>iriria.te,vn.th. 

 smaller 'leaflets between. 



Inversely'egg-shaped or heart-shaped 

 oval or heart-shaped, with the 

 base narrower than the ex- 

 tremity. 



Involucre, a whorl. 



Irregular, unequally divided. 



Labiate, lipped. 



Laciniated, jagged. 



Lamina, a plate, the broad part of 

 a leaf. 



Leaflet, a single portion of a com- 

 pound leaf. 



Legume, a long pod without a 

 partition. 



Ligulate, strap-shaped. 



Limb, Vac expanded part of a petal. 



Linear, very narrow, with the 

 edges parallel. 



Lyrate leaf, a pinnatilid leaf with 

 a rounded terminal lobe, and 

 smaller divisions near the base. 



Marcescent, withering. 



f\lembranous, membranaceous , hav- 

 ing the texture of a membrane, 

 or parchment. 



