442 



PLANTS OF N]i;VV ZEALAND 



Introrse, turned inwards. 



Involucre, a circlet of bracts, placed 



around a flower-cluster. 

 Involucrate, having an involuci-e. 

 Involute, having; tlie margins of the 



leaves rolled inwards. 

 Irregular, unsyuimetrical, wanting in 



regularity of form. 



liANCEOLATE, 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. 



Nectaby, the organ in which honey or 



nectar is secreted. 

 Node, that part of a stem from which 



leaves, branches, or leaf-buds are 



given off. 

 Nodule, a small knot, or rounded body. 

 Nut, a hard, one-seeded fruit, with woody 



covering. 



Obovate, applied to leaves that are 



ovate, with the broader part towards 



the apex. 

 Obscure, uncertain, hidden. 

 Obsolete, scarcely api)arent, almost 



vanished. 

 Obtuse, blunt or rounded at the end. 

 Orbicular, applied to a leaf with a 



circular outline. 

 Osmosis, the mixing of liquids through a 



membrane separating them. 

 Ovary, that part of the pistil which 



contains the ovules, v. p. 43. 

 Ovate, egg-shaped, applied to a solid 



body, as a fruit. 

 Ovule, the young seed in the ovary 



r. p. 43. 



Palmate, applied to leaves with five 



lobes. 

 Papillae, soft superficial glands or 



protuberances. 

 Papillose, covered with papillae. 

 Pai)))us, thistledown, the tufts of haii's 



on achenes or fruits, the calyx of 



composite florets. 

 Parasite, v. p. 20. 

 Pedicel, a flower-stalk, the support of a 



single flower. 

 Peduncle, the general name for the stalk 



of a flower or flower cluster. 

 Pedunculate, on a peduncle. 

 Pellicle, a small skin, the outer cuticular 



covering of plants. 

 Pellucid, partially or wholly transimrent. 

 Peltate, target-shaped, applied to leaves 



attached by their lower surface to the 



stalk, instead of by the margin. 

 Perianth, v. p. 45. 



Perigynous, inserted round the ovary. 

 Persistent, remaining till the part which 



bears it is wholly matured, as the 



leaves of evergreens. 

 Petal, I!. )). 44. 

 Petaloid, like a petal, having a floral 



envelope resembling iietals. 

 Petiole, the footstalk of a leaf. 

 Phanerogamic, v. pp. 49, 428. 

 Phylloclade, a flattened branch assuming 



the form and function of a leaf. 

 Phyllode, a petiole taking on the form 



and function of a leaf. 

 Pinnate, with leaflets arranged along each 



side of a common petiole . 

 Pinnate-partite, pinnately parted, with 



the lobes extending more than half- 

 way to the mid-rib. 

 Pinnatiftd, cut into lobes extending about 



half-way from the margin to the mid- 

 rib. 

 Pitted, marked with small depressions. 

 Pistil, I'. I). 43. 

 Placenta, the organ which bears the 



ovules in an ovary. 

 Placentiferous, bearing placentae. 

 Plumose, feathery, as the pappus of 



thistles. 

 Pollen, v. p. 43. 

 Pollination, v. pp. 43, 44. 

 Pollinia, r. p. 112. 

 Polymorphic, with several or various 



forms. 

 Pome, an inferior fruit of several cells, 



of which the apple is the type. 

 Protandrous, having the anthers mature 



before the pistils in the same flower. 

 Protogynous, having the pistils receptive 



before the anthers have ripe pollen. 

 Puberulous, minutely downy with hairs. 



