GLOSSARY 



281 



scribe leaf blades containing 

 dark or translucent, glandu- 

 lar dots. 



Glandular-ciliate. Bearing cilia 

 that are gland tipped. Used 

 to describe margins of leaves 

 and sepals. 



Glaucescent. Becoming glau- 

 cous. 



Glaucous. Covered with blue, 

 white, or pale green bloom. 

 Used especially to describe 

 under surfaces of leaves. The 

 blue-white covering of a cab- 

 bage leaf is a familiar exam- 

 ple. 



Globose. Having the shape of 

 a globe. Used for many plant 

 parts. 



Glutinous. Sticky or mucilagi- 

 nous. Used especially to de- 

 scribe seeds but frequently 

 also other plant parts. 



Hastate. Shaped like an ar- 

 rowhead, but with the two 

 basal points long and spread- 

 ing. Used to indicate leaf 

 shape. 



Head. An inflorescence in which 

 the flower stalks are very short 

 and the flowers numerous, so 

 that they make a very com- 

 pact group. 



Herbaceous. Like an herb, i. e., 

 with stems that die down to 

 the ground each 3^ear. 



Hip. A hollow, generally fleshy 

 fruit with seeds on the inner 

 wall. In this text, restricted 

 to rose fruits. 



Hispid. Clothed with stiflF, 

 bristly hairs. Used especially 

 for the hairy covering of 

 stems. 



Hypanthium. A part of some 

 flowers upon which calyx, 

 corolla and stamens are seat- 

 ed. The tube formed by 

 united sepals sometimes is 

 called a hypanthium. 



Incised. Deeply cut. Used 



principally to describe lobing 

 of leaves. 



Inferior. Beneath, but used 

 generally to indicate that 

 the ovary is inclosed beneath 

 the base of the sepals. 



Inflated. Blown up. Used for 

 any bladdery or baggy con- 

 dition. 



Inflorescence. Any flower clus- 

 ter. 



Internode. The stem between 

 two leaves or leaf-scars. 



Involucre. A group of bracts 

 situated below a flower or 

 an inflorescence, or surround- 

 ing a fruit. 



Involute. Having the edges 

 rolled inward. 



Irregular. Dissimilar in size 

 or shape. Used in this text 

 for flowers when petals or 

 sepals difi^er in either size 

 or shape. 



Keeled. Provided with a ridge 

 that resembles the keel of a 

 boat; also, in flowers of the 

 pea family, the lower, boat- 

 shaped part of the flower. 



Lanceolate. Shaped like the 

 head of a lance. 



Leaf-scar. The scar left on a 

 twig when a leaf falls. 



Lenticel. A small, rough open- 

 ing in bark, which permits 

 passage of air. 



Limb. The blade of a petal, 

 or, in a collective sense, the 

 expanded part of a corolla. 



Linear. Specifically, like a line. 

 Used for leaves and other 

 plant parts that are very 

 much longer than wide. 



Lipped. Provided with lips. 

 Used to describe flowers with 

 petals united through most of 

 their length but divided at the 

 end to form an upper and a 

 lower lip. The snapdragon 

 flower is a familiar example. 



Lobed. Incompletel}' divided. 



