GLOSSARY OF TERMS AND INDEX TO PART I 205 



Convolute. In a leaf, the complete rolling from edge to edge, 34. 



Cordate. Heart-shaped, the stem and point at opposite ends, 21. 



Coriaceous. Leathery in texture or substance. 



Corolla. The inner, usually the bright-colored, row of floral 

 leaves, often grown together, 24. 



Corymb. A flat-topped or rounded flower-cluster; in a strict use 

 it is applied only to such clusters when the central flower does not 

 bloom first. See cyme, 26. 



Crenate. Edge notched with rounded teeth, 22. 



Crenulate. Finely crenated, 22. 



Crisped. Having an undulated or curled edge. 



Cross-section of wood, 35. 



Cuneate. Wedge-shaped, 21. 



CyUndric. With an elongated, rounded body of uniform diameter. 



Cyme. A flat-topped flower-cluster, the central flower blooming 

 first, 26. 



Deciduous. Falling off; said of leaves when they fall in autumn, 

 and of floral leaves when they fall before the fruit forms, 23. 



Decurrent leaf. A leaf which extends down the stem below the 

 point of fastening. 



Definite annual growth, 29. 



Dehiscence. The regular splitting open of fruits, anthers, etc. 



Dehiscent. Opening in a regular way, 27, 28. 



Deliquescent, 16, 29. 



Deltoid. Triangular, 21. 



Dentate. Edge notched, with the teeth angular and pointing out- 

 ward, 22. 



Denticulate. Minutely dentate. 



Dichotomous. Forking regularly by twos, as the branches of the 

 Lilac. 



Dilated. Spreading out ; expanding in all directions. 



Dioecious. With stamens and pistils on different plants, 25. 



Distichous. Two-ranked ; spreading on opposite sides in one plane ; 

 as leaves, 18 ; or branches, 19. 



Divergent. Spreading apart. 



Divided. Separated almost to the base or midrib, 23. 



Drupe. A fleshy fruit with a single bony stone. In this book 

 applied to all fruits which, usually juicy, have a single seed, 

 even if not bony, or a bony stone, even if the stone has several 

 seeds, 27. 



Dry drupe. Used when the material surrounding the stone is but 

 slightly fleshy, 27. 



Duration of leaves, 23. 



