GLOSSARY 
Numbers refer to paragraphs in the preceding part of the appendix. 
Ascaulescent. Appearing stem- 
less (27). 
Achene. A _ small indehiscent 
one-seeded fruit. 
Achlamydeous. Without a peri- 
anth (10). 
Acuminate. Tapering to a slen- 
der point. 
Acute. Sharp pointed. 
Adnate. Adhering to. 
Alternate. With but a single 
leaf at each node. Of sta- 
mens attached between, not 
over, the center of sepals or 
petals. 
Ament. A bracted spike of im- 
perfect flowers, a catkin. 
Annual. Living but one year 
(26). 
Anther. Part of stamen in which 
the pollen is formed (8). 
Apetalous. Without petals (10). 
Aquatic. Growing in water. 
Aristate. Ending in an awn or 
bristle. 
Asepalous. Without sepals (10). 
Auricled. With ear-like lobes 
or appendages. 
Awn. A bristle like organ, a 
beard. 
Axil. The point on a stem just 
over the base of a leaf. 
Axillary. Borne in an axil. 
Axis. The stem or central part 
to which organs are attached. 
Berry. A small succulent fruit 
with several to many seeds, 
as a grape or a gooseberry. 
Biennial. Growing two years, 
producing seed the _ second 
season. 
Bipinnate. Compound leaf in 
which the parts are pinnate. 
Blade. The expanded green part 
of a leaf. 
Bract. A modified leaf subtend- 
ing a flower or flower cluster 
(23). 
Bulb. A structure like a large 
bud, usually under ground. 
Bulblet. A small bulb or de- 
ciduous bud formed in the 
axil of a leaf, or replacing a 
flower. 
Caducous. Falling off very early. 
Caespitose. Growing in tufts. 
Callosity. A small, hard knob 
or swelling. 
Calyx. Outer whorl of the peri- 
anth (9). 
Campanulate. Bell-shaped. 
Canescent. With a firie white 
or gray pubescence. 
Capsule. A dry dehiscent fruit, 
consisting of united carpels. 
Carpel. A simple pistil or one 
of the parts of a compound 
pistil. 
Caryopsis. A dry indehiscent, 
one-seeded fruit with the peri- 
carp adhering to the seed. 
Catkin. See ament. 
Cauline. Of leaves evidently 
borne on the stem as opposed 
to basal. 
Cell. One of the cavities in the 
ovary in which ovules and 
seeds are borne (7). 
Chaff. Glumes of grass or the 
bracts on the receptacle of 
some composites (24, 25). 
Chlorophyll. The green color- 
ing matter of plants. 
Ciliate. With a fringe of mar- 
ginal hairs. 
Cinerous. Grayish, ash-colored. 
Circumscissile. Dehising so that 
the top comes off like a lid. 
Claw. Stalk of a petal or sepal. 
