366 Glossary 



Linear: very narrow, like grass. 



Lanceolate: narrow, tapering towards the top. 



Oblanceolate: inversely lanceolate. 



Ovate: egg-shaped, broader at the bottom. 



Obovate: egg-shaped, broader at the top. 



Elliptical: oblong, narrowed at the top and bottom. 



Oval: broadly elliptical. 



Spatulate: rounded at the top and narrow at the base. 



Orbicular: round. 



Reniform: nearly round, with a deep indentation at the stalk. 



Auriculate: having two rounded lobes at the base. 



Sagittate: having two pointed lobes at the base. 



Undulate: with wavy margins. 



Crenate: with rounded teeth on margins. 



Serrate: with sharp teeth on margins. 



Incised: with deep jagged teeth. 



Lobed: with divisions cut to about the middle. 



Cleft: with divisions cut more than halfway into the leaf. 



Divided: cleft to the midrib. 



Pubescent: covered with fine hairs. 



Glabrous: without aijy hairs, smooth. 



Glaucous: covered with a bloom, as on the plum. 



Mucronate: with a short sharp tip. 



THE FLOWER 



Calyx: the outer lower set of leaves at the base of the flower. Usually 

 green, but sometimes bright coloured. 



Sepals: the leaves of the calyx when it is divided to the base. 



Corolla: the inner set of leaves of the flower. 



Petals: the leaves of the corolla when it is divided to the base. 



Perianth: said of a flower having only one set of floral leaves. 



Pedicel: the small individual stalk of a flower borne in a cluster. 



Peduncle: the main flower-stalk. 



Sessile: said of flowers that grow close to the stem and have no pedicels. 



Raceme: a long-shaped flower-head formed by numerous flowers grow- 

 ing on pedicles along the sides of a common stalk. 



Spike: a racenle with sessile flowers. 



Head: a dense spike, globular in shape, like a Clover. 



Corymb: a raceme with the lower flowers on longer stalks, so that the 

 cluster is almost flat on the top, as in the Yarrow. 



Umbel: like a corymb, but with the pedicels all branching from a 

 central point, 



