11 



Herb. — A plant which ])Ossesses very little woody stem above ground and 

 usually dies down in the autumn or after flowering, and is annual or perennial. 



Keel. — The two more or less combined petals^ forming together an angle as in 

 the Pea. 



Lanceolate. — Of leaves nearly ovate, but tapering to both ends, and broadest 

 below the middle. 



Leaflet. — The articulated (jointed) primary divisions of a pinnate compound 

 leaf and the secondary divisions of a bipinnate leaf. 



Ligidate.—'^iv2i])-s\i2i^edi. 



Linear. — Narrow with almost parallel edges. 



Lobe. — The division of a leaf, of a leaflet or of a petal. 



Nut. — A large one-seeded unopening dry fruit. 



NutUt. — A small one-seeded dry unopening fruit, or one of the divisions 

 of the fruit of the Boraginacese or Labiatse. 



Opposite. — When a leaf has one or more leaves at the same level and usually 

 on the opjjosite side of the branch. 



Ovate. — i:gg-shaped. 



Palmate. — Lobed in the shape of a hand. 



Fap/jus.—The calyx of the Compositse, formed of hairs, bristles or scales. 



Parasite. — A plant that grows upon another and derives its nourishment 

 from it. 



Perta»^/i.— The floral envelopes — corolla and calyx, but often used to denote 

 the floral envelo2)e, when the flower possesses only one. 



Peltate. — Applied to a leaf when its stalk (petiole) is within the margin. 



Petals. — The parts of the corolla. 



Pinnate. — CovnTponrxd. leaves with leaflets arranged like the pinnules of a 

 feather along both sides and at the end of a common stalk are styled j^innate. 



Pinule or Pinna. — One of the primary divisions of a bipinnate leaf. 



Raceme. — A collection of flowers, nearly equally stalked and arranged singly 

 along a common stalk. 



Rhizome — A creeping, generally underground, stem giving off erect stems 

 at intervals. 



Sepals. — The parts of a calyx. 



Sessile. — Stalkless. 



Shrnb. — A woody perennial plant of not more than 30 feet in height and 

 much branched down to the level of the ground ; this includes undershrubs. 



Simple. — Applied to leaves which are undivided. 



Spadix. — A spike of flowers enclosed in a leafy bract (spathe). 



Spathe. — A leafy bract enclosing a spike of flowers. 



Spathnlate. — Applied to a leaf that is oblong and tapers down into a stalk. 



Spike. — A collection of sessile flowers on a common simple or branched 

 stalk. 



