324 GLOSSARY 



Free, not adnate or attached, p. 19. 



Furcate, forked into two prongs, p. 35. 



Geotropic, responding to directive influence of gravitation during growth, 



p. 109. 



Gimped, see Crenate, p. 27. 



Glabrescent, becoming almost but not quite glabrous, p. 36. 

 Glabrous, devoid of hairs, p. 36. 

 Glandular, studded with or ending in glands, p. 37. 

 Glaucous, sea-green, normally due to thin waxy deposits, p. 36. 

 Gourmandiser, a powerfully and coarsely growing sucker. 

 Growing-point, the true apex of a growing organ where new cells are 



constructed, p. 73. 



Guard-cell, one of the pair of cells comprising the stoma, p. 98. 

 Gutter-pointed, acuminate with the point channelled above, like a spout. 

 Hastate, shaped like the blade of a halbert ; like sagittate, but the lobes 



out-turned, p. 23. 

 Heliotropic, showing response to the directive action of light during 



growth, p. 109. 



Herbaceous, soft and green like ordinai-y herbs, p. 37. 

 Heterophylly, where differently shaped leaves co-exist on the shoot. 

 Hispid, beset with stiff bristly hairs, p. 37. 

 Histology, minute structure, requiring the microscope for examination, 



p. 67. 



Hybrid, the result of crossing two species. 

 Imbricate, overlapping at the edges like one tile over another. 

 Immersed, embedded in. 



Impari-pinnate, pinnate with an odd terminal leaflet, p. 44. 

 Incised, see Cleft. 



Infra-marginal, just beneath the margin, p. 57. 

 Insertion, the place where the leaf is attached to the stem, p. 3. 

 Intercellular spaces, the spaces formed by the partial separation of cells, 



p. 89. 



Internode, the stretch of stem between successive nodes, p. 4. 

 Involute, both edges rolled in towards the midrib on the upper surface of 



the leaf,jp. 274. 



Keeled, with the midrib projecting like the keel of a boat. 

 Lamina, the blade of the leaf, p. 14. 

 Lanceolate, with an outline like the head of a lance, tapering to each 



end, as in Fig. 7, p. 23. 

 Lateral, arising from the flanks or sides. 

 Latex, milk-like juice. 



Leaf-incept, the earliest recognisable stage of a developing leaf, p. 38. 

 Leaflet, one of the blades of a compound leaf, p. 40. 

 Leaf-mosaic, the fitting into a surface of exposed leaves, p. 9. 



