GLOSSARY 



A-. Not, or without. 



Acaulescent. Apparently stemless, 



the leaf-bearing stem being very 



short or subterranean. 

 Acicular. Needle-shaped. 

 Acuminate. Taper-pointed. 

 Acute. Merely sharp-pointed, or end- 

 ing in a point less than a right angle. 

 Adnate. Grown together. 

 Akene = Achene. A small, dry, hard, 



i-celled, i-seeded indehiscent fruit. 

 Alpine. Belonging to high moun- 

 tains above the limit of forests. 

 Alternate (leaves, branches). Singly 



at the stem-nodes. 

 Ament = Catkin. A deciduous scaly 



spike of flowers. 

 Angiosperms. The great group of 



seed plants with ovules (and seeds) 



inclosed by an ovary. 

 Annual. Of only one year's duration. 

 Anther. The part of the stamen which 



contains the pollen. 

 Anthesis. The opening of the flower. 

 Apetalous. Without petals. 

 Apiculate. Tipped with a short and 



abrupt point. 



Appressed. Lying close and flat 

 Arborescent. Treelike in size or form. 

 Arcuate. Bent or curved like a bow. 

 Aril. An appendage growing at or 



about the hilum of a seed. 

 Aristate = Awned. 

 Aristulate. Diminutive of aristate. 

 Articulate = Jointed. 

 Ascending. Rising gradually upward. 

 Auricles. Earlike appendages. 

 Auriculate. With earlike appendages. 

 Awl-shaped. Sharp-pointed from a 



broader base. 



Awn. A bristle-like appendage. 



Awned. With an awn. 



Axil. The upper angle between a leaf 



and the stem. 



Axillary. Occurring in an axil. 

 Axis. The central line of any body; 



the organ around which others are 



attached 



Barbed. With usually reflexed rigid 

 points or short bristles like the barb 

 of a fishhook. 



Barbellate. Finely barbed. 



Basifixed. Attached by the base. 



Beaked. Ending in a long narrow tip. 



Bearded. With long or stiff hairs of 

 any sort; awns of grasses are some- 

 times called beards. 



Berry. A fruit pulpy or juicy through- 

 out, as a currant or a grape. 



Bi-. Two or twice. 



Bidentate. 2-toothed. 



Biennial. Growing from seed one year, 

 then blooming and dying the next. 



Bifid. 2-cleft to about the middle. 



Bilabiate = Labiate. 2-lipped. 



Bipinnate = 2-pinnate. Pinnate, then 

 each part again pinnate. 



Bipinnatifid = 2-pinnatifid. Pinnatifid, 

 and then the parts again pinnatifid. 



Biternate = 2-ternate. With 3 main 

 divisions each with 3 leaflets. 



Bladdery. Thin and inflated. 



Bract. A very much reduced leaf, 

 specially one subtending a pedicel. 



Bractlet. A bract on the pedicel. 



Bristle. A stiff sharp hair or any very 

 slender body of similar appearance. 



Bulb. A leaf bud with fleshy scales, 

 usually subterranean. 



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