GLOSSARY 369 



Double flowers, such as have increased numbers of petals, Ac., from the 



normal, p. 43. 



Drepanium, a sickle-shaped cyme, p. 35. 

 Drupaceous, drupe-like, p. 205. 

 Drupe, a stone-fruit, p. 178. 

 Drupel, a little drupe, or drupelet, p. 315. 

 Dwarf shoots, short shoots, p. 191. 

 Echinulate, prickly, p. 347. 

 Egg-apparatus, the totality of nucleated, naked cells at the micropylar 



end of the embryo-sac in Angiosperms. 

 Egg-cell, the oosphere: the cell which after fertilisation becomes the 



embryo. 



Eleutheropetalous, same as Polypetalous, p. 63. 

 Elliptic, oval. 



Embryo, the youngest stage of a new plant. 

 Embryonic, in an early stage. 

 Embryonic tissue, the still undifferentiated tissue at the growing-point 



from which organs will be formed, p. 48. 



Embryo-sac, the chamber (spore) containing the embryo, p. 121. 

 Endocarp, the inner layer of a fleshy fruit, p. 267. 

 Endosperm, the feeding tissue in the embryo-sac. 

 Entomophilous, pollinated by insects, p. 158. 

 Epicalyx, the calyx-like series of bracts supplementing the true calyx in 



some flowers ; see Calyculus. 

 Epidermis, the outermost cellular layer. 

 Epigynous, inserted on the top of the inferior ovary. 

 Epigyny, with petals and stamens on the disc, or margin of the calyx- 

 tube, above the ovary, p. 60. 

 Epipetalous, on the corolla-tube or throat, p. 62. 

 Epiphyllous, on the true leaf-surface, p. 38. 

 Essential organs, stamens and carpels, p. 4. 

 Exine, the outer membrane of the pollen-grain. 

 Exserted, of stamens, &c., which protrude beyond the throat of the 



corolla, p. 267. 



Exstipulate, devoid of stipules, p. 203. 

 Extrastaminal, outside the whorl of stamens, p. 294. 

 Extrorse, turned so as to face away from the floral axis. 

 False axis, a monochasium. 

 Fan-shaped cyme, a sympodial inflorescence with the branches alternately 



right and left, and in one plane; see Rhipidium, p. 35. 

 Fascicle, a tuft with cymose development of the flowers. 

 Female flowers, containing pistils only, denoted by the sign ? , p. 25. 

 Fertilisation, joining of <f and ? nuclei of pollen-tube and oosphere, &c., 

 respectively. 



w. in. 24 



