Glossary of Terms Used in Text. 



Achene. A one-seeded fruit having the wall of the seed-vessel tightly 



fitting around the seed. 

 Acute. Sharp pointed. 



Acuminate. Gradually tapering to a point. 

 Alternate. See p. 34. 



Anther. The pollen-bearing part of the stamen. 

 Apetalous. Without petals. 



Appressed. Lying closely against the stem or other organ. 

 Ascending. See. p. 33. 

 Awn. A slender bristle-like organ. 

 Axil. The angle where the leaf meets the stem. 

 Axillary. Borne in an axil. 



Biennial. See p. 18. 



Berry. See p. 41. 



Bract. A small leaf which surrounds or protects a flower. 



Bull). An underground bud with fleshy scales. 



Bulbous. Bearing bulbs ; springing from a bulb. 



Calyx. See p. 35. 



Capsule. See p. 42. 



Carpel. A modified leaf which forms part or all of an ovary. 



Caryopsis. See p. 42. 



Chaff. Thin dry scales. 



Chlorophyll. The green coloring matter of plants. 



Cleft. Cut about half way to midrib. 



Cordate. Heart-shaped. 



Corolla. See p. 36. 



Corymb. See p. 40. 



Cotyledon. A rudimentary leaf of the embryo. 



Crenate. Scalloped; with rounded teeth. 



Culm. The stem of grasses and sedges. 



Cyme. See p. 41. 



Decumbent. Having the base prostrate, the apex rising. 



Decurrent. See p. 35. 



Deflexed. Turned abruptly downward. 



Dehiscent. Opening to emit the contents. 



Dentate. Toothed. 



Diffuse. Loosely spreading. 



Dio3cious. See p. 38. 



Discoid. Composed only of tubular flowers. 



Disk. The head of tubular flowers in Composite. 



Dissected. Divided into many segments or lobes. 



Distinct. All separate, one from another. 



(183) 



