GLOSSARY. 



12: 



Involucre, a set of bracts surrounding a 



flower cluster. 

 Involute, rolled inward. 

 IiiREGUL.ui, unequal in size or shape. 



Lacixiate, cut into narrow incisions. 

 Lamina, blade of a leaf or petal. 

 Lateral, pertaining to the side. 

 Legume, fruit like a pea-pod. 

 Lime, the exposed part of a corolla, calyx, 



etc. , or the blade of a jietal, etc. 

 Line, the twelfth of an inch. 

 Linear, narrow and much longer than 



wide, the margins parallel. 

 Lobe, any division or projecting part. 



Merous, the parts of a flower (5-merous, 



the parts in fives). 

 MucRONATE, abrui)tly tipped with a short 



point. 



Nerves, parallel and simple veins. 

 Nodding, the apex or top pointing down- 

 ward. 



Ob-, prefixed means reverse of; as, ob-cord- 

 ate, inverted heart-shaped, i. e., the 

 stem attached to the apex. 



Oblique, one-sided. 



Oblong, long-elliptical. 



Ochroleucous, pale dull yellow. 



Oval, broadly elliptical. 



Ovary, that portion of the pistil which 

 becomes the seed vessel. 



Ovate, like the longitudinal section of an 



egg. 

 Ovoid, egg-shaped. 



Palmate, lobed so that the lobes point 

 away from the end of the petiole, as 

 in an ivy or a maple leaf. 



Panicle, a raceme branching irregularly. 

 Parted, cut almost through. 

 Pectinate, like the teeth of a comb. 

 Pedicel, the stalk of a single blossom iu a 



cluster. 

 Peduncle, the stalk of a cluster or of a 



solitary flower. 

 Perfoliate, when the stem seems to j)ass 



through the leaf. 

 Perforate, with holes or transparent dots. 

 Perigynous, borne on the calyx. 

 Persistent, remaining until the fruit has 



grown. 

 Petiole, the leaf stem. 

 Petiolule, the stem of a leaflet. 

 Pilose, with distinct straight hairs. 

 Pinnate, a compound leaf with the leaflets 



along the side of a common petiole. 

 Pinnately cleft, lobed, etc., with the 



lobes along the sides of a long leaf. 

 Placenta, the jiart of the ovary which 



bears the seeds. 

 Pod, a dry dehiscent fruit. 

 Pome, a fruit like a pear or apple. 

 Posterior, next the stem. 

 Procumbent, lying along the ground. 

 Prostrate, lying flat like a melon-vine. 

 Pubescent, with soft or downy hairs. 

 Punctate, dotted as if by holes. 

 Pungent, rigid sharp-pointed, 



pACEirE, elongated flower bunches, with 

 the oldest flowers below and on ped- 

 icels. 



Radical, coming from the root (apparently). 



Radicle, the stem of an embryo. 



Reniform, kidney-shaped. 



Repand, the margin slightly wavy. 



Reteorse, directed backward. 



Retuse, slightly notched at a rounded apex. 



