GLOSSARY 
OF TECHNICAL TERMS USED MAINLY IN THE FLORA 
Abortive, imperfectly developed. 
Actinomorphic, having radial sym- 
metry. 
Adventive, partially naturalized. 
Appressed, lying flat throughout its 
length, used of such parts as 
bracts. 
Awl-shaped, narrow and tapering 
to a point. 
Awned, having a bristle-like ap- 
pendage. 
Awnless, not awned. 
Bisexual, having both stamens and 
pistils in the same flower. 
Caducous, falling away very early. 
Capitate: (1) having a round head 
like the stigma of a primrose ; 
(2) growing in heads. 
Carpellary, relating to a carpel. 
Chaff, small membranous scales, 
such as are found on disks of 
Composite. 
Ciliate, having the margins fringed 
with hairs or bristles. 
Clasping, partly surrounding the 
stem; said of the bases of leaves. 
Claw, the narrowed base of a petal. 
Cleft, cut halfway down. 
Coated (bulbs), those with scales 
which completely cover them, as 
in the onion. 
Cone, the fruit of pines, etc., with 
ovule-bearing scales. 
Connate, united; said of opposite 
leaves which appear as if grown 
together at their 
bases. 
Convolute, rolled up 
lengthwise. 
Cordate, heart-shaped, 
Corm, a bulb-like, 
fleshy stem or base 
of a stem. 
Crown, an inner appendage to a 
petal or to the throat of the co- 
rolla. 
Convolute 
Deciduous, falling as petals do after 
blossoming, or as leaves of most 
trees except evergreens do. 
Declined, directed obliquely. 
Decumbent, reclining, but with the 
summit somewhat erect. 
Dehiscent, splitting into definite 
parts. 
Diffuse, spreading widely or loosely. 
Dimorphous, occurring under two 
forms, as in flowers with long 
and with short styles. 
Disk: (1) an outgrowth of the re- 
ceptacle within the calyx or 
within the corolla and stamens ; 
(2) the central part of the head 
(all but the rays) in Composite. 
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