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GLOSSARY. 



Cleistogamous. Pollinated in the bud, 



without the flowers opening. 

 Commissure. The surface by which 



one carpel joins another (Umbel- 



h ferae). 

 Compressed. Flattened, especially 



laterally. 

 Coriaceous. Leathery. 

 Corm. The enlarged fleshy base of a 



stem; like a bulb but solid. 

 Cotyledon. The first leaves of the 



embryo plant already formed in the 



seed. 

 Crenulate. Finely crenate. 

 Crested. With an upraised crest-like 



appendage. 

 Crustaceous. Hard and brittle. 

 Culm. A hollow stem (Poaceae). 

 Cuneate. Wedge-shaped. 

 Cuspidate. Tipped with a cusp, that 



is a sharp rigid point. 

 Cymose. Bearing cymes, or cyme- 

 like. 



Declined. Bent downward. 



Decompound. More than once com- 

 pound. 



Decumbent. Reclining but with the 

 apex ascending. 



Decurrent. Extending down the stem 

 below the point of insertion. 



Dehiscence. The method of open- 

 ing. 



Deltoid. Triangular with the apex 

 upward. 



Denticulate. Minutely dentate. 



Diadelphous. Stamens in two sep- 

 arate groups. 



Diandrous. With two stamens. 



Didynamous. Stamens in two pairs 

 of unequal length. 



Diffuse. Widely or loosely spread- 

 ing. 



Dioecious. Stamens and pistils on 

 different plants. 



Discoid. Disk-like; in the Com- 

 positae, a discoid head is one with- 

 out ray-flowers. 



Disk-flowers. The flowers with tubu- 

 lar corollas which are in the cen- 

 ter of the head in certain Com- 

 pos itae. 



Dissected. Divided into numerous 

 small segments. 



Divaricate. Widely divergent. 



Divergent. Spreading away from each 

 otrur. 



Divided. Margin indented to the 

 midrib but the segments not quite 

 distinct. 



Dorsal. Relating to or attached to 

 the back of an organ. 



Drupaceous. Drupe-like. 



Drupe. A fleshy fruit with the inner 

 portion hard and stony, one-celled 

 and containing but one seed. 



Ebracteate. Without bracts. 

 Elaters. Thread-like appendages to 



spores which curl and uncurl with 



changes in the moisture conditions 



of the air. 

 Emarginate. Having a very shallow 



notch at the apex. 

 Embryo. The tiny plant as it rests 



partly grown in the seed. 

 Endosperm. The food cells in the 



seed surrounding the embryo. 

 Epicotyl. The growing point and 



young bud in the embryo in the 



seed. 

 Epigynous. Apparently growing on 



top of the ovary. 

 Equitant. Astride; as when leaves 



are alternately folded over each 



other in two ranks (Iris). 

 Erose. Irregularly toothed as if the 



margin were gnawed out. 

 Evanescent. Soon fading away. 

 Exserted. Projected beyond an en- 

 velope, as the stamens from the 



corolla. 



Falcate. Scythe-shaped. 



Farinaceous. Containing starch; 



starch-like. 



Fascicle. A close bundle or cluster. 



Fasciculate. In close bundles (fas- 

 cicles). 



Fertile. Capable of producing pollen 

 or fruit. 



Fibrous. Composed of or resembling 

 fibers. 



Fimbriate. Fringed. 



Fimbnllate. With a minute fringe. 



Flexuous. Zigzag; bending alter- 

 nately in opposite directions. 



Floccose. With fleshy tufts of soft 

 woolly hairs. 



Foliaceous. Leaf-like. 



Fornix, (plural — fornices). A swell- 

 ing in the throat of the corolla. 



Fugacious. Fading or falling very 

 early. 



