GLOSSARY 



DiCECious. — Bearing staminate flowers on one plant, and pistil- 

 late flowers on another of the same species. 



Disk. — In Compositae the tubular flowers of the centre as dis- 

 tinct from the ray-flowers. 



ExTRORSE.- — Facing outward. 



Fertile. — Capable of producing fruit. 



Filament. — That part of stamen that supports the anther. 



Follicle. — A fruit consisting of a single carpel and opening along 

 the inner line. 



Fruit. — The seed-bearing product of the plant. 



Glabrous. — Smooth. 



Introrse. — Facing inward. 



Involucre. — A circle of bracts surrounding a flower or a flower 

 cluster. 



Keel. — A ridge, like the keel of a boat; the two united petals 

 of a papilionaceous flower. 



Lanceolate. — Shaped like a lance-head — broadest toward the 

 base, and narrowed to the apex. 



MoNCECious. — With stamens and pistils in separate flowers on 

 the same plant. 



Nerve. — A slender rib of a leaf — not branching. 



Node. — ^The place on a stem which commonly bears a leaf or 

 a whorl of flowers. 



Panicle. — A loose, irregularly compound flower cluster. 



Papilionaceous. — Bearing pea-like flowers. 



Perfect. — A flower having both pistil and stamens. 



Perianth. — ^The floral envelope, consisting of calyx and corolla 

 when present, whatever their form. 



Petal. — A division of the corolla. 



Petiole. — The footstalk or stem of a leaf. 



Pistil. — The seed-bearing organ of the flower, consisting of 

 ovary, stigma, and style when present. 



Pod. — Any dry fruit that opens. 



Raceme. — A group of flowers upon a common lengthened axis. 



Seed. — The ripened ovule. 



Sepal. — A division of the calyx. 



Stigma. — That part of the pistil through which fertilization by 

 the pollen is effected. 



Style, — The slender portion of the pistil connecting the stigma 

 and the ovary. 



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