264 



INDEX AND GLOSSARY 



roundings. Of buds, 33 ; of flowers, 118, 

 127; of fruits, 153. 



Ectocarpus, 158, 178. 



Effuse. Very loosely spreading. 



Egg cell, 176," 178, 179, 181, 189, 201. 



Elater, 210. 



Elements composing plants, 231. 



Emarginate. Having a shallow notch at the 

 extremity. 94. 



Embryo, 7, 16 ; food for, 19 ; of conifers, 12 ; 

 origin of, 118. 



Embryo sac, 118, 211. 



Endocarp. The inner layer of a pericarp. 149. 



Endogens, 223. 



Endosperm, 18. 



Entire. "Without toothing or division. 



Enzymes, ferments, 236. 



Ephemeral. Lasting only for one day. 



Epidermis, 226, 227. 



Epigynous. Growing on the summit of the 

 ovary or apparently so. 130, 134. 



Epipetalous. Upon the petals. 134. 



Epiphytes, 16 ; roots of, 39, 40. 



Equisetum, 167, 210. 



Erose. As if gnawed. 



Exalbuminous. Without albumen. 18. 



Excurrent. Running out, as a nerve of a 

 leaf projecting beyond the margin. Ex- 

 current trunks, 33. 



Exfoliating. Cleaving off in thin layers. 



Exocarp. The outer of two layers of peri- 

 carp. 149. 



Exogenous. Growing by annular layers near 

 the surface ; belonging to the Exogens. 

 223. 



Experiments, manual of, 243. 



Exserted. Projecting beyond an envelope, 

 as stamens from a corolla. 



Extrorse. Facing outward. 136. 



Falcate. Scythe-shaped; curved and flat, 

 tapering gradually. 



Farinaceous. Containing starch ; starchlike. 



Farinose. Covered with a meallike powder. 



Fascicle. A close bundle or cluster. 143. 



Fastigiate (branches). Erect and near to- 

 gether. 



Fat, in seeds, 19. 



Fermentation by Yeasts, 186. 



Ferments, 236. 



Fern (laboratory study), 165. 



Ferns, 204. 



Ferruginous. Eust color. 



Fertile. Capable of producing fruit, or pro- 

 ductive, as a flower having a pistil, or an 

 anther with pollen. 



Fertilization, in Vaucheria, 176 ; of the ovule, 

 118. 



Fibrillose. Furnished or abounding with 

 fine fibers. 



Fibrous. Composed of or resembling fibers. 

 Fibrous tissue : a tissue formed of elon- 

 gated thick-walled cells. 



Fibro-vascular. Composed of woody fibers 

 and ducts. 221. 



Filament. The part of a stamen which sup- 

 ports the anther ; any threadlike body. 108. 



Filamentous. Composed of threads. 



Filiferous. Thread bearing. 



Filiform. Thread shaped ; long, slender, and 

 terete. 



Fimbriate. Fringed. 



FimbriUate. Having a minute fringe. 



Fistular. Hollow and cylindrical. 



Flaccid. Without rigidity ; lax and weak. 



Flexuous. Zigzag; bending alternately in 

 opposite directions. 



Floccose. Clothed with locks of soft hair or 

 wool. 



Floret, 126. 



Flower (ch. xii.), 103; arrangement of or- 

 gans, 101; coniferous, 102; ecology, 118; 

 general morphology, 103 ; laboratory stud- 

 ies, 99; terminology, 128; winter study, 252. 



Foliaceous. Leaflike in texture or appear- 

 ance. 



Follicle. A fruit consisting of a single car- 

 pel, dehiscing by the ventral suture. 150. 



Follicular. Like a follicle. 



Food, for buds, 32 ; of young plant, 8 ; stored 

 in seed, 18; translocation, 236; supply 

 (exp. study), 13. 



Foramen, 137. 



Forests, seeds in soil of, 19. 



Formaline, 242. 



Fornicate. Arched over, as the corona of 

 some Borraginaceae, closing the throat. 



Free. Not adnate to other organs. 



Frond. The leaf of Ferns and some other 

 Cryptogams. 



Fruit, ecology of, 153; laboratory studies, 

 144; nature of, 147; origin, 144. 



Fruits, aggregate, 148 ; drupaceous, 148 ; in 

 relation to dissemination, 145 ; kinds, 147 ; 

 multiple, 148; self-burying, 154; stone, 

 148. 



Fugacious. Falling or fading very early. 



Fungi, 183 ; Sac Fungi, 190. 



Funicle. The free stalk of an ovule or seed. 

 137. 



Funnel-form, 132. 



Fuscous. Grayish brown. 



Fusiform. Spindle-shaped ; swollen in th 

 middle and narrowing toward each end. 



Galea. A hooded or helmet-shaped portion 

 of a perianth, as the upper sepal of Aconi- 

 tum, and the upper lip of some bilabiate 

 corollas. 



Galeate. Helmet-shaped ; having a galea. 



Gamete, 176, 179, 188, 207. 



Gametophyte, 207. 



Gamopetalous. Having the petals of the 

 corolla more or less united. Ill, 131. 



Gamophyllous. Composed of coalescent 

 leaves, sepals, or petals. 



Gemma, 200. 



Gemmiparous. Producing gemmse. 



Geniculate. Bent abruptly, like a knee. 



Geotropism (Exp. 5), 11, 49, 240. 



