GLOSSARY OF TERMS AND INDEX TO PART I 207 



Globose. Spherical in form. Globular. Nearly globose. 

 Glutinous. Covered with a sticky gum. 



Hairy. Having rather long hairs, 23. 



Halberd-shaped, 21. 



Head. A compact, rounded cluster of flowers or fruit, 26. 



Heart-shaped. Ovate, with a notched base ; cordate, 21. 



Heart-wood, 13, 35. 



Herbaceous. Without woody substance in the stem ; like an herb ; 

 soft and leaf -like. 



Hybrid. An intermediate form of plant between two nearly related 

 species; formed by the action of the pollen of one upon the pistil of 

 the other. 



Imbricated. Overlapping one another like the shingles on a roof, 

 28. 



Incised. Irregularly and deeply cut, as the edge of a leaf. 



Incurved. Gradually curving inward. 



Indefinite annual growth, 30. 



Indehiscent. Not splitting open. 



Inflexed. Bent inward, 33. 



Involucre. A whorl or set of bracts around a flower, a cluster of 

 flowers, or fruit, 27. 



Involute. Boiled inward from the edges, 34. 



Irregular. Said of a flower which has its corolla of different sized, 

 shaped, or colored pieces, 25. 



Kernel. The substance contained within the shell of a nut or the 

 stone of a fruit. 



Key. A fruit furnished with a wing, or leaf-like expansion, 28. 



Kidney-shaped. Broadly heart-shaped, with the apex and basal 

 notch somewhat rounded. 



Lacerated. With a margin irregularly notched or apparently torn. 



Laciniate. Cut into narrow lobes ; slashed. 



Lance-shaped. Lanceolate. Like a lance-head in shape, 21. 



Leaf, 17 ; arrangement of leaves, 18 ; bases of, 21 ; forms of, 20 ; 

 kinds of, 19 ; margins of, 22 ; parts of, 19 ; points of, 22 ; veining, 19. 



Leaflet. A separate blade of a compound leaf, 20. 



Leafstalk. The stem of a leaf ; petiole, 19. 



Legume. A pea-like pod, 28. 



Lensform. Lenticular. Thickest in the center, with the edges some- 

 what sharp ; like a double-convex lens. 



Linear. Long and narrow, with the edges about parallel, 20. 



