Glossary of Terms. 



xli 



Jitgum. Applied to a pair of leaflets ; 

 thus a leaf may be unijugate, bi- 

 jugate or midtijugate, according as 

 there are one, two, or many pairs of 

 leaflets. 



Keel. The name given to the lower 

 pair of petals of Papilionaceous 

 flowers. 



Labiate, lipped, as the flowers of many 

 Labiatse, etc. 



Lacteus. White with a faint tinge of 

 blue. 



Lacustris. Growing in lakes. 



Lamina. The blade of a leaf. 



Lanceolate. In the form of a lance- 

 head, tapering to both ends. 



Legume. A name given to the seed- 

 vessel of the Pea family, opening in 

 two valves and having the seeds at- 

 tached to the ventral suture. 



Linear. Narrow with parallel edges. 



Littoralis. Growing on the sea-shore. 



Loculicidal (dehlscence). Splitting 

 down the back between the divisions. 



Lucidus. Shining. 



Lu tens. Yellow. 



Macros, in composition, long, large. 



Mono, in compounds, signifies one. 



Monocarpic. Flowering and fruiting 

 only once. 



Monocotyledonous. Having one seed- 

 leaf. 



Monoecious. Sexes in separate flowers 

 on the same individual. 



Mucronate. Terminating in a short 

 hard point. 



Multi, in compounds, signifies many. 



Mu tabilis. Changeable. 



Niger. Black. 



Nitidics. Smooth and shining. 



Nivalis. From snowy regions. 



Niveus. Snowy white. 



Nudus. Naked. 



Nutans. Drooping, nodding. 



Ob. A prefix denoting inversion : ob- 

 cordate, obovate, etc. 



Obtuse. Rounded or blunt. 



odes, oidcs. A termination denpting 

 similarity, resemblance. 



Orbicular. Circular. 



Ovate. Egg-shaped in outline, 



Ovary. Applied to the young state of 



the seed-vessel. 

 Ovule. The young seed. 

 Paleaceous. Furnished with chaffy 



scales, as the receptacle of some 



Composites, 



Palmate.- -Lobed in the form of a hand. 

 Paludosus , Gr(m . . raarshyplace8 . 

 Palustns / 



Panicle. A compound raceme. 

 Papilionaceous. Butterfly-flowered,like 



the Pea. 

 Pappus. The calyx of Composites, 



varying from a ring of membranous 



scales, to brietles or hairs. 

 Parietal (placentation). On the sides 



or walls of the carpels. 

 Patens. Spreading. 

 Pedate.A modification of the palmate 



leaf, whose lower lobes are again 



divided and directed downwards. 

 Pedicel. The secondary stalks of a 



compound inflorescence,bearing indi- 

 vidual flowers. 



Peduncle. The main stalk of a com- 

 pound inflorescence, or the stalk of a 



solitary flower. 



Peltate. Attached by the middle. 

 Perennial. Of three or more years' 



duration, and polycarpic. 

 Perianth. Applied to the floral en- 



velqpe of Endogens and Monochla- 



mydeous Exogens. 



Pericarp. The shell or rind of a fruit. 

 Perigynous Growing upon the throat 



of the calyx around or above the 



ovary. 

 Persistent. Remaining green until the 



fruit is ripe, as the calyx of many 



plants ; also applied to the leaves of 



evergreens. 

 Personate. A gamopetalous corolla in 



the way of Antirrhinum. 

 Petals. The separate parts of a poly- 



petalous corolla. 

 Petaloid. Resembling petals in colour, 



etc. 



Petiole. A. leaf-stalk. 

 Petiolate. Having a leaf-stalk. 

 Phanogamous. Having manifest 



flowers. 



