INDEX 
671 
front of basal wall ; -calyx, 77, 
Dipsacaceae , Lythraceae , Mal- 
vaceae, Potent ilia, Rosaceae ; 
-carp, ro8; -chil, end of an 
orchid labellum, when distinct 
from base ; -cotyl, stem of 
seedling above cotyledons ; 
-dermis, 47; -geal (germination), 
with cotyledons above ground ; 
-gynous, epigyny, 71, 72, 76, 
80; -petalous, 70, 77; -phyl- 
lous, 70, 77; -inflorescence, 
Chailletia , Erythrochiton ; -phy- 
sis, a protuberance round the 
hilum of a seed ; -phyte, epi- 
phytism, 173, 185, 187, Araceae , 
Bromeliaceae, Orchidaceae, Pla- 
ty cerium. Poly podium , &c. ; 
-sepalous, 70, 77; -sperm, outer 
coat of seed ; -spore, Marsilia - 
ceae, Salviniaceae ; -tropous 
(ovule), with raphe towards 
axis 
Equitant aestivation, 53 
Erect ovule, 82 ; stem, 44 
Eremium (Cl.), a desert forma- 
tion 
Ericaceous, heath-like 
Ericoid, 166 
Erio- (Gr. pref.), woolly 
Eriophorous, very cottony 
Eroded, erose, slightly, irregularly 
toothed, as though gnawed 
Erostrate, not beaked 
Erubescens (Lat.), blush-red 
Eryngo, Eryngium 
Erythro- (Gr. pref.), red 
-escens (Lat. suff.), -ish 
Esculentus (Lat.), edible 
Esp., especially 
Esparto, Ampelodesma , Lygeum, 
Stipa 
Espinal (formation), spiny wood- 
land in S. America 
Essence of violets, Iris 
Essential oils, ethereal oils, 200; 
organs, 66 
Estival, pertaining to summer 
Estrophiolate, with no strophiole 
Etaerio, aggregate of lruits 
Etiolation, 35, 161, 170 
Etiolin, 35 
Etiology, study of causes 
Ettovv (W. I.), Cordia Sebestena 
L. 
Eu- (Gr. pref.), true, typical 
Eucyclic, 69 
Eugeogenous, weathering readily 
to form soil 
Eur., Europe 
Eutropous, 93 
Evalvis (Lat.), without valves 
Evening primrose, Oenothera 
Evergreens, 53, 154, 155, 185, 188, 
190, 192 
Everlasting, Ammobium , Anten- 
naria, Gnaphalium (Am., W. 
I.), Hclichrysum , Helipterum ; 
-grass (Am.), Eriochloa\ moun- 
tain-, Antennaria ; -pea (Am.), 
Lathy r us 
Evolution, 115; of flower, 69, 
85 
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 
Exogamy, tendency of allied 
gametes to avoid pairing 
Exogenous, 38, 41 
Exogens, Dicotyledons and Coni- 
fers 
Exotropism, 38 
Exploding anthers, 86 
Explosive pollen, 97 
Exserted, protruding 
Exstip., exstipulate, 27 
Extinction of species, 118 
Extra- (Lat. pref.), beyond 
Extrafloral nectaries, Acacia, 
Aleurites, Prunus 
Extratropical, outside the tropics 
Extrorse, 78 
Eye-bright, Euphrasia 
Eyes (buds), 152, Helianthus, 
Solanum 
