GLOSSARY. 343 



Epicarp : the outer layer of a fruit. 



Epidermis : the outer layer of cells. 



Epigynaus : situated upon the pistil or ovary. 



Epipetalous : upon the petals. 



Epiphyte : a plant growing on another, but not receiving its nourish- 

 ment from it. 



Episepalmis : upon the sepals. 



Equilant: astride. 



Erase : gnawed. 



Ergot : a horn-like sclerotium of the hyphae of the fungus Olavicepi 

 purpurea. 



Estivation : same as cestivation. 



Etiolated: blanched. 



Evergreen : not deciduous ; remaining green all winter. 



£1 (as a prefix) : destitute of. 



Exalbuminous : with no endosperm or albumen external to the 

 cotyledons. 



Excurrent : running out to the very top or beyond the apex ; as the 

 trunk of a tree, the midrib of a leaf, etc. 



Exhalation : transpiration or evaporation through the stomates. 



Exo (as a prefix) : outwards. 



Exocarp : the outer layer of the pericarp. 



Exogen : a plant with pith, surrounded by a ring of wood or fibro- 

 vascular bundles, and this by a bark or cortex; a Dicoty- 

 ledonous plant. 



Exogenous : with the structure of an endogen ; outside growing. 



Exospore : the outer wall of a spore. 



Expectorant : that which promotes discharges from the throat and 

 lungs. 



Exserted: protruding. 



Exstipulate : destitute of stipules. 



Extine : the outer layer of a pollen grain. 



Exlrorse : directed or turned outwards. • 



Eye : the bud on a tuber. 



Falcate : shaped like a scythe. 

 Family : a group of allied genera. 

 Farina : starch. 



Farinaceous : like, or containing starch. 

 Farirwse : covered with a meal-like powder. 

 Faseiate : banded ; abnormally flattened stems. 

 Fasciation : a monstrosity in which the stem broadens and flattens. 

 Fascicled : in a bundle. 



Faveolate : same as alveolate ; like a honey-comb. 

 Feather-veined : pinnately veined ; veins branching from a midrib. 

 Feathery : plumose ; beset with hairs along the sides. 

 Ferruginous : like iron-rust in color. 

 Fertile : pistillate ; producing. 



Fertilization: the process wjiich resulls in the formalion of the 

 embryo. 



