GLOSSARY 



Fruit. The seed-bearing product of the plant, the mature ovary 



and its contents. 

 Funnel-shaped. Tubular and gradually enlarging upward with a 



spreading border. 

 Furrowed. Having one or more straight, longitudinal grooves or 



channels. 



Gamopetalous. Having the petals more or less united. 



Gland. A small protuberance which may or may not secrete a 



liquid. 

 Glandular hairs. Those which usually have the tips enlarged and 



filled with a liquid. 



Glaucous. Whitish or light bluish-green because of a bloom. 

 Globose, globular. Spherical or nearly so. 

 Glume. One of the small bracts which usually subtends a flower 



with its flowering scale on a spikelet in the grasses. 

 Grain. The seed or fruit of any of the Graminaceae. 



Hair. A protuberance from the plant usually thread-like and less 

 than ]/2 in. long, sometimes scale-like or star-shaped. 



Hairy. The surface more or less covered with hairs. 



Head. A more or less compact rounded or flattened cluster of sessile 

 or short-stalked flowers. 



Heart-shaped. The shape of a heart as it is usually pictured, with 

 the point outward. 



Herb. A plant without a woody stem above ground, always dying 

 down at least to the ground at the end of the season. 



Herbaceous. Like an herb. 



Hoary. Grayish-white with very fine hairs. 



Hood-shaped. Somewhat conical with the sides often inrolled. 



Horn. A pointed, tapering appendage found in the flowers of 

 Asclepias. 



Husk. A dry outer covering in some fruits, as in the corn. 



Hyaline. Colorless, thin, papery. 



Hybrid. The plant obtained by the use of pollen from one plant 

 placed on the stigma of another plant of a different species. 



Hypogynous flower. One in which the organs are attached to the 

 receptacle successively above or at least not below each other 

 in the order of calyx, corolla, stamens, and pistils, the latter in 

 the center of the flower and at the top of the receptacle. 



Immersed. Growing wholly under water. 



Imperfect flower. One in which the stamens or pistils are wanting. 



Incised. With indentations irregular and deep. 



Inconspicuous. Small, not readily observed. 



Incurved. Bending inward. 



Indefinite. Not a constant number, or more than twenty. 



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