GLOSSARY 347 
Chalaza. The base of an ovule where integumients and nucellus are 
one common tissue. 
Chlorophyll (green leaf). The green coloring matter of plants. 
Chloroplast. One of the special bodies that contain chlorophyll. 
Choripetalous (separate petals). With the petals separate, not united. 
Chromatophore (color-bearing). A general term for all bodies in 
plants containing coloring matter. 
Cilium (eyelash); pl. cilia. Marginal hairs; motile protoplasmic fila- 
ments, as those of sperms. 
Cleistogamous. With close fertilization, occurring in flowers before 
they open. 
Closed bundle. A fibrovascular bundle containing no cambium; growth 
is closed. 
Cenocyte. A number of nucleated masses of cytoplasm (cells) in- 
closed by a common wall. 
Collateral (sides together). Side by side, as in a fibrovascular bundle 
in which the xylem and phloém are side by side in a radial direction. 
Columella (a small column). The persistent axis of certain spore 
cases, as in mosses. 
Concentric (center together). Technically used of a fibrovascular 
bundle whose tissues are arranged so as to surround one another. 
Conidiophore (conidium-bearer). Stalk upon which conidia are borne. 
Conidium ; pl. conidia. The asexual spore of some fungi, as in potato 
blight and grape mildew. 
Conjugation (joined together). The sexual union of similar gametes. 
Connate. Applied to leaves that appear united or grown together 
at their bases. 
Connective. The portion of the stamen connecting the parts of 
the anther. 
Cordate. Heart-shaped. 
Corm. The fleshy stem or base of a stem; a bulb-like structure, as 
on the underground part of jack-in-the-pulpit. 
Corolla (a small crown). The inner envelope of a flower within the 
calyx, composed of petals. 
Cortex. Rind or bark. 
Cortical. Relating to cortex. 
Cotyledon. A primary embryo leaf borne by the hypocotyl (caulicle) 
of the embryo plant. 
Cryptogams (hidden marriage). A term used to include thallophytes, 
bryophytes, and pteridophytes. 
Cupule (a little cup). The gemma cup of liverworts. 
Cuticle (skin). The outermost layer of epidermis, differing chemically 
from the remainder of the cell wall. 
