HISTORY AND BIBLIOGRAPHY 865 



Endosperm. Albumen of seed in embryo-sac as distinguished 

 from perisperm. 



Epicarp. Outer layer of pericarp. 



Epiderm. External layer of cells in any organ. 



Epigynous. Corolla seems to rise from top of ovary. 



Erect. Perpendicular, or nearly so, to the surface to which at- 

 tachment is made. 



Exserted. Protruding beyond margin of envelope as stamens 

 from corolla. 



Falcate. Scythe-shaped. 



Fertile. Capable of producing fruit. 



Pibrovascular Bundle. A bundle of stringlike, woody, fibro- 

 vascular tissue, containing xylem and phloem. 



Fibrous. Composed of fibers. 



Filiform. Thread-shaped. 



Floccose. Covered with mats or flocks of soft woolly hairs. 



Foliate. Leaved, as trifoliate (three-leaved). 



Fruit. The mature ovary and its contents with any closely ad- 

 hering part. 



Funicle. The stalk of a seed or ovule. 



Fusjforjn. Enlarged in the middle and tapering toward each 

 eod. 



Gamopetalous. Having petals more or less united. 



Glabrous. Smooth. 



Gland. A secreting surface or structure. 



Glandular. Bearing glands or glandlike. 



Glaucous. Covered with a whitish bloom, as on cabbage. 



Globoids. Granules of calcium-magnesium-phosphate found in 

 grains of aleurone. 



Globose. Spherical or nearly so. 



Glomerate. Compactly clustered in ^ head. 



Glume. One of the outer floral envelopes of grasses. 



Glutinous. Viscid, sticky. 



Hairy. Covered with hairs longer and coarser than when 

 pubescent. 



Halberd-shaped. See hastate. 



Hastate. Describing leaves which have spreading lobes at the 



Heart-shaped. See cordate. 



Herb. A plant which contains but little wood in the stem and 

 which dies down to the ground each year. 

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