GLOSSARY 323 



Cuneiform, see Cuneate, p. 23. 



Curved-parallel, venation in which the ribs are nearly parallel along 



most of the curved course, p. 35. 

 Cuspidate, tipped with a sharp tooth. 

 Cut, see Cleft, p. 40. 

 Cuticle, the thin impervious layer covering the outer surface of the 



epidermis, p. 98. 



Cytoplasm, the cell-protoplasm, p. 74. 

 Deciduous, falling as the parts attain full growth, p. 21. 

 Decussate, in pairs and opposite, but each alternate pair at right angles, 



p. 7. 

 Deltoid, shaped like the Greek letter A, an equilateral triangle, Fig. 7, 



p. 23. 



Dentate, toothed, as in Fig. 9, p. 27. 



Dia-geotropic, growing normally across the vertical, p. 110. 

 Dia-heliotropic, growing normally across the axis of incident rays of 



light, p. 110. 



Dichotomous, forked branching. 

 Digitate, with about 5 7 leaflets all radiating like fingers from the top 



of the petiole, p. 43. 

 Distichous, in two vertical ranks, p. 5. 

 Efferent, carrying away from, p. 80. 

 Elliptical, see Oval, Fig. 6, p. 22. 

 Embryonic cell, a cell not yet specialised or differentiated as part of any 



particular organ or tissue, p. 77. 

 Endodermis, the innermost layer of the cortex separating the central 



axis of tissue from the rest, &c., p. 316. 



Endosperm, the tissue containing food-material in certain seeds. 

 Entire, margin not cut in any way, as in Fig. 9, p. 27. 

 Enzyme, a so-called unorganised or soluble ferment capable of producing 



important changes in starches, sugars, proteids, &c., breaking them 



up or altering their molecular structure. 

 Epidermis, the outer layer of leaves, shoots, &c., p. 81. 

 Etiolated, pale and drawn and watery from deprivation of light, p. 129. 

 Exstipulate, devoid of stipules, p. 20. 

 Falcate, curved like the blade of a reaping hook, p. 316. 

 Fan-like, venation in which the principal ribs radiate like the spokes of 



a fan, p. 35. 



Fascicled, gathered into bundles or tufts, p. 305. 



Fastigiate, with the branches erect and clustered as in a broom, p. 263. 

 Ferruginous, rusty, as if covered with iron rust. 

 Filiform, thread-like. 

 Flaccid, limp, flabby, p. 87. 

 Fleshy, soft and juicy, p. 37. 



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