640 
INDEX 
Epigynous, 71, 72, 76 
Epigyny, 80 
Epipetalous, 70, 77 
Epiphyllous, 70, 77 
Epiphytism, Araceae , Orchidaceae , 
etc. 
Epiphytes, 173, 185, 187-189 
Episepalous, 70, 77 
Epispore, Marsiliaceae , Salvini- 
aceae 
Equitant aestivation, 53 
Erect ovule, 82 
,, stem, 44 
Ericoid leaf, 166 
Erio- (Gr. pref.), woolly- 
Erose, slightly, irregularly toothed 
Eryngo, Fryngium 
Erythro- (Gr. pref.), red- 
-escens (Lat. suff.), -ish 
Esculentus (Lat.), edible 
Esp., especially 
Esparto, Ampelodes?na, Lygeum , 
Stipa 
Essence of violets, Iris 
Essential organs, 66 
Etaerio, aggregate of fruits 
Etiolation, 35, 161, 170 
Etiolin, 35 
Etiology, study of causes 
Eu- (Gr. pref.), true, typical 
Eucyclic, 69 
Eur., Europe 
Eutropous, 93 
Evening primrose, Oenothera 
Evergreens, 53, 154, 155, 185, 188, 
190, 192 
Everlasting, Achyrachaena , Am- 
niobium , Helichrysum , Helip- 
terum\ mountain-, Antennaria 
Evolution, 1 16 seq. ; of flower, 
69 seq., 85 seq. 
Ex- (Lat. pref.), not, without 
Exalb., exalbuminous, 105, 112 
Exc., except 
Excelsus (Lat.), lofty 
Excentric, out of the centre 
Excl., excluding 
Excluded, exserted 
Excurrent, 154 
Exine, extine, outer coat of pollen 
grain 
Exogenous, 38, 41 
Exogens, Dicotyledons and Conifers 
Exotropism, 38 
Exploding anthers, 86 
Explosive pollen, 97 
Exserted, protruding 
Exstip., exstipulate 
Exstipulate, 27 
Extinction of species, 119 
Extra- (Lat. pref.), beyond 
Extratropical, outside the tropics 
Extrorse, 78 
Eye-bright, Euphrasia 
Eyes (buds), 152, Helianthus , So- 
lanum 
F (flower class), 9 1 
Fachel, 64 (fig.), 65 
Facies, external appearance 
Facultative, incidental 
Falcate, sickle-shaped 
False acacia, Robinia 
False brome-grass, Br achy podium 
False fruit, 106 
False jalap, Mirabilis 
False oat-grass, Arrhenatherum 
False septa, 82, Cruciferae , Lina- 
ceae 
False whorl, Labiatae 
Family, natural order 
Farinaceous seed, 106 
Farinosus (Lat.), covered with 
mealy powder 
Farmer, J. B., Helminthostachys 
Fasciation, 23 
Fascicles, 44 
Fasciculate, in fascicles 
Fastigiate, 44 
Fats, 34, 200 
Feathergrass, Stipa 
Female flower, 68 
Fennel, Foeniculum ; giant-, 
Ferula 
Fenugreek, Trigonella 
-fer (Lat. suff.), bearing 
Fermentation, 206 
Ferments, 178 
Fern, Filicineae ; beech-, Poly po- 
dium ; bird’s nest-, Asplenium ; 
bladder-, Cystopteris ; bristle-, 
Trichomanes ; elk-horn-, Platy - 
