17- 



GLOSSARY. 



whitened with a fine powder or dust. 

 (Sec Glaucous.) 



Bract, the modified or much reduced 

 Leaf of ;i flower-cluster; in Gra- 

 mineae, the modified leaf Bubtend- 

 ing a spikelet; leafy bract ed, in 

 Compositae, with accessory or foli- 

 ose bracts to the head outside the 

 involucre. 



Bracteate, possessing or bearing 

 bracts. 



Bractlet, the small modified leaf sub- 

 tending a flower or inserted on the 

 pedicel, in Gramineae the lower of 



the two modified leases subtending 



an individual flower. 



Bud, the youngest or formative por- 

 tion ;it the end of a stem. 



Bulb, cluster of storage leaves set 

 closely on a short stem axis and 

 forming an underground organ. 



Bur, a fruit covered with prominent 

 spines. 



Caducous, dropping off very early as 

 compared with other parts; the 

 calyx in the California Poppy falls 

 when the flower opens. 



Caespitose, said of stems when borne 

 on the same stock in a close tuft. 



Callous, with hardened and often 

 smooth tissue or protuberances. 



Callus, the tough often hairy swelling 

 at base of the bractlet and palet 

 in grasses. 



Calyculate, said of the short bracts 

 which occur at the base of the in- 

 volcre proper in some Compositae 

 and so imitate an exterior involu- 

 cre. 



Calyx, the outer, usually green, whorl 

 of the flower. 



Campanula^ . bell-shaped. 



Canescent, grayish white or hoary, the 



surface covered with fine white 



hairs. 



Capillary, like a hair. 



Capitate, gathered or collected into a 



head, or head like. 

 Capsule, a dry dehiscent seed-vessel 



composed of mere than one carpel. 

 Carinate, having a keel, sharp ridge, 



oi carina. 



Carpel, a simple pistil (which is typi- 



cally 1 celled, with one placenta, 

 one style, and one stigma), or one 

 of the elements of a compound 

 pistil; also applied to a simple pis- 

 til when mature or to one of the 

 {•arts of a compound pistil which 

 splits up when it is ripe. The 

 number of carpels composing a 

 compound pistil may be determined 

 from the number of styles or stig- 

 mas, or, if these are blended, by the 

 number of cells in the ovary, or, if 

 but one cell, by the number of 

 placentae. 



Cartilaginous, firm and tough like 

 cartilage. 



Caruncle, an excrescence or process at 

 the hilum in certain seeds. 



Catkin, a scaly spike or ament, as in 

 the' Willow or Oak; in the Conifers 

 applied to the staminate and ovu- 

 late clusters. 



Caudate, bearing a slender tail-like 

 body or appendage. 



Caulescent, having a distinct leafy 

 stem above ground; plants with rad- 

 ical leaves and flowers on a scape 

 are called acaulescent. 



Caulicle, the stem in an embryo. 



('(inline, pertaining to or borne on a 

 stem, as cauline leaves. 



Chamise, an individual but more par- 

 ticularly a colony of Adenostoma 

 fasciculatum. (See General Index.) 

 Also spelled Chamisal and Chamiso. 



Chaparral, collective term referring to 

 the colonies of thorny or rigid 

 shrubs growing on mountain slopes. 

 (See General Index.) 



Chart aceous, having the thickness or 

 texture of writing paper; most 

 leaves are chartaceous. 



ChoHpetalouS, petals distinct and free 



from each other; not united even 

 at base. 

 Chorisepalous, sepals distinct and free 

 from each other. 



Ciliate, having the margin bordered 



with a row or rows of hairs; dlio- 



lull, the diminutive. 

 Cim r< mis. nt' ashy hue. 

 Circiniate, rolled into a coil from the 



tip. 



