GLOSSARY 



Numbers refer to more extended explanations or illustrations in the first 

 part of the book. Many of the definitions are taken from Gray's New 

 Manual of Botany, by Robinson & Fernald. 



Acuminate. Ending in a tapering 

 point. 



Acute. Ending with a sharp angle; 

 p. 9. 



Adherent. Grown fast to. 



Adnate. United; grown fast to. 



Akene. A small dry 1-seeded fruit 

 which does not open; p. 12. 



Alpine. A high-mountain belt, above 

 timber-line. 



Alternate. Arranged singly at dif- 

 ferent heights; p. 8. 



Ament. A spike in which the flowers 

 are subtended by scales. 



Angiosperm. A plant bearing seeds 

 in a covering of some sort. 



Annual. Living but a single year. 



Anther. The pollen-bearing part of 

 a stamen; p. 11. 



Apetalous. Without petals. 



Aquatic. Living in the water. 



Ascending. Rising somewhat ob- 

 liquely. 



Attenuate. Becoming very narrow. 



Awl-shaped. Tapering upward from 

 the base to a slender point. 



Awn. A bristle-shaped organ or ap- 

 pendage. 



Axil. The angle formed by a leaf or 

 branch with the stem. 



Axillary. Situated in an axil. 



Axis. The central support of a group 

 of organs, as a stem. 



Banner. Upper petal in Legumin- 



osae; p. 135. 

 Beak. A prolonged tip. 

 Berry. A fleshy or pulpy fruit. 

 Biennial. Living two years. 

 Bilabiate. Two-lipped. 

 Bipinnate. Twice pinnate. Also 



written 2-pinnate. 

 Blade. The flat expanded portion of 



a leaf; p. 8. 

 Bloom. A fine powder or dust, easily 



rubbed off. 

 Bract. A modified leaf among the 



flowers; p. 13. 

 Bulb. An underground leaf-bud with 



fleshy scales or coats. 

 Bur. Any rough or prickly fruit. 



Calyx. The outer usually green cir- 

 cle of a flower; p. 10. 



Capsule. A dry seed-vessel composed 

 of more than one part. 



Catkin. A spike in which the flowers 

 are subtended by scales. 



Cell. Any structure containing a 

 cavity, as the cells of ovary, cap- 

 sule, etc. 



Chaff. A small thin scale. 



Chaparral. Colonies of shrubs; liter- 

 ally the "little chaps" as dis- 

 tinguished from trees. 



Choripetalous. Petals not united to 

 each other, even at base; p. 10. 



Ciliate. Hairy along the margin. 



Compound. Composed of 2 or more 

 similar parts; pp. 9, 12. 



Compressed. Flattened. 



Conical. Cone-shaped; round and 

 tapering to a point. 



Corolla. The circle of petals in a 

 flower; p. 10. 



Cotyledons. The first leaves of the 

 embryo as found in the seed. 



Deciduous. Not persistent; not ever- 

 green. 



Decurrent. Continued down the stem 

 below the insertion. 



Deflexed. Bent abruptly downward. 



Dicotyledons. Plants with 2 cotyle- 

 dons in each seed. 



Discoid. Like a disk; pp. 239, 240. 



Dissected. Many times cut or divided. 



Distinct. Separate; not united; evi- 

 dent. 



Divided. Lobed nearly to the base. 



Ecological. Concerning the relation 

 of plants or animals to their en- 

 vironment. 



Entire. Smooth-margined, without 

 teeth or lobes. 



Equalling. Of the same length as. 



Exceeding. Longer than. 



Exserted. Projecting beyond, as sta- 

 mens from a corolla. 



Exstipulatc. Without stipules. 



Feathery. With fine hairs on each 

 side; p. 240. 



Fertile. Productive, as a flower hav- 

 ing a pistil, a seed with an em- 

 bryo, or an anther with pollen. 



