GLOSSARY 



441 



Depressed, sunk down, hollowed, as if 

 flattened from above. 



Dicotyledon, a plant with two seed- 

 leaves. 



Digitate, fingered, a compound leaf in 

 which all the separate parts spring 

 directly from the apex of the petiole, 

 as in Soheffiera. 



Dilated, expanding into a blade, as 

 though flattened. 



Dioecious, v. p. 44. 



Dimorphism, c. i>. 29-2. 



Disk, a circular development, usually of 

 the receptacle within the flower, 

 sometimes consisting only of a ring of 

 prominences, which secrete nectar. 



Dissected, applied to a leaf, divided into 

 numerous irregular portions. 



Divaricating, spreading asunder at a 

 wide angle, extremely divergent. 



Drupe, a stone fruit, such as a plum. 

 (The fruit of Rubus is an aggregation 

 of drupes). 



ECOLOGY, the study of plant-life in 



relation to environment. 

 Embryoi the rudimentary plant formed 



within the seed. 

 Endemic, confined to a certain locality, 



peculiar to a country. 

 Entire, applied to a leaf of which the 



margin is not indented. 

 Epidermis, v. p. 40. 

 Epigynous, placed on the ovary, applied 



to corolla and stamens. 

 Epipetalous, seated on the petals. 

 Epiphyte, v. pp. 20, 21. 

 Epiphytic, growing on other plants by 



way of support. 

 Exserted, protruding beyond, as stamens 



beyond the tube of the corolla. 

 Exstipulate, without stipules. 



FASCICLE, a dense cluster of flowers, 



leaves, stems, or roots. 

 Filament, a slender thread, the stalk of 



the anther, v. p. 43. 

 Filiform, thread-like. 

 Flaccid, weak, flabby. 

 Flexuous, bending alternately in different 



directions. 

 Floret, a small flower, one of a. cluster of 



compound flowers. 

 Florula, a small flora, the botanic 



account of a small district, 

 Foliaceous, leafy, leaf-like in texture. 

 Foliate, clothed with leaves. 

 Foliplate, provided with leaflets. 

 Follicle, a fruit of one carpel, opening by 



the inner or anterior seam. 



GLABROUS, smooth, shining, without 



hairs. 

 Gland, an organ for secreting oil or other 



liquids on the surface of some part of 



the plant. It sometimes ends in a 



hair or bristle. 

 Glandular, bearing glands. 

 Glaucous, sea-green, covered with a 



bloom as a cabbage-leaf. 



Gluten, a tough nitrogenous substance 

 occurring in grain after the removal 

 of starch. 



Glutinous, covered with a sticky 

 exudation. 



HALOPHYTE, v. pp. 142 and 155. 



Hastate, spear-shaped. 



Herbaceous, a term applied to plants 



without a woody stem. 

 Hermaphrodite, v. p. 44. 

 Heterophylly, the occurrence of leaves of 



more than one form upon the same 



stem. 



Hoary, grey with fine hairs. 

 Host, the plant from which a parasite 



draws its nourishment. 

 Hybrid, a plant obtained by the 



application of the pollen of one 



species to the stigma of another. 

 Hydrophyte, a water-plant, v. p. 42. 

 Hypogynous, seated beneath the ovary. 



IMBRICATE, overlapping, like the scales 



of a fish. 

 Indehiscent, applied to fruits which do 



not open along regular lines to 



liberate the seed. 

 Indigenous, native to a country. 

 Inferior, below some other organ; e.g., 



calyx below ovary. 

 Inflorescence, the arrangement of the 



flowers and flower-stalks. 

 Inosculate, to grow together at points. 

 Insolation, exposure to the direct rays of 



the sun. 



Introrse, turned inwards. 

 Involucre, a circlet of bracts, placed 



around a flower-cluster. 

 Involucrate, having an involucre. 

 Involute, having the margins of the 



leaves rolled inwards. 

 Irregular, unsymmetrical, wanting in 



regularity of form. 



LANCEOLATE, narrow and tapering, like 



the head of a lance. 

 Lateral, fixed on or near the side of an 



organ. 



Legume, a two-valved seed-vessel, open- 

 ing down both seams. 

 Lenticel, an opening occurring in the 



bark of a plant through which water 



vapour is given off. 

 Liane, a woody climber, v. pp. 16-19. 

 Ligneous, woody. 

 Linear, narrow, several times longer than 



wide. 

 Lobe, any division of an organ, especially 



a rounded division. 



MESOPHYTE, a plant which avoids both 



extremes of moisture and drought. 



v. p. 42. 

 Moniliform, necklace-shaped, like a 



string of beads. 

 Monocotyledon, a plant producing only 



one seed-leaf, v. p. 82. 

 Monoecious, v. p. 44. 



