Glossary 



249 



Calyx. The saucer-shaped outerpart of the flower, commonly green. 



See page 258. In flowers where there is no distinct corolla and 



calyx the colored parts are called calyx. Ex. Four o'clock, 

 Capsule. A dry fruit consisting of two or more united carpels and 



splitting at maturity to release the seeds. 

 Carpel. The modified leaf forming a simple ovary, or one part of a 



compound ovary. 



Chaff. Thin dry membraneous scales or bracts on the receptacle of 



composite flowers. Sunflowers have a chaffy receptacle. 

 Ciliate. Fringed with hairs on the edge. 

 Cleft. Cut about half way to the midvein or base. 

 Composite flower. See page 258. 

 Compound. Two or more similar parts united. 

 Compound leaf. One divided into separate leaflets. See page 255. 

 Concave. Hollow and curved or rounded. 

 Constricted. Narrowed. 



Corolla. The inner usually colored parts of the flower. See page 258. 

 Corymb. A flat-topped open flower cluster with the pedicels arising 



from different points on the stem. Ex. Common geranium. 

 Creeping. Used where the branches run over or just below the surface 



of the ground and take root. 

 Crenate. Scalloped. With teeth rounded. See page 256. 

 Cruciform. Cross-shaped. 

 Cuneate. Wedge-shaped. 



Deciduous. Falling away as the leaves of a tree in the fall. Not ever- 

 green. 



Dehiscent. Splitting so as to discharge contents. 

 Dentate. Toothed, the teeth projecting at right angles. 

 Denticulate. Minutely dentate. 

 Diaphanous. Permitting light to shine through. 



Dimorphism. Occurring in two forms, as long or short-styled flowers 



in the same species. 

 Disk. Part of the head exclusive of the rays in a composite flower. 



See page 258. 



Disk flower. One of the tubular flowers in the center of a composite 



flower. See page 258. 

 Dissected leaf. A leaf cut or finely divided into many segments. 

 Distribution. The geographical extent and limits of a species. 

 Divided. Lobed to the base of the midvein. 



Drupe. A fleshy or pulpy fruit with one stone. Ex. plum and cherry. 

 Elliptical. Narrowly oval or oblong with rounded ends. See page 256. 

 Elongated. Long drawn out. 



