GLOSSARY OF SPECIAL TERMS 



Achene. A dry one-seeded indehiscent fruit 

 with the pericarp tightly fitting around the 

 seed. 



Acuminate. Gradually tapering to the apex. 



Acute. Sharp-pointed. 



Adnate. An organ adhering to a contiguous 

 differing one; an anther attached longitu- 

 dinally to the end of the filament. 



Alternate. Not opposite; with a single leaf at 

 each node. 



Ament. A spike of imperfect flowers sub- 

 tended by scarious bracts, as in the willows. 



Androgynous. Flower clusters having stam- 

 inate and pistillate flowers. 



Anther. The part of the stamen which con- 

 tains the pollen. 



Anihesis. Period of flowering. 



Apetalous. Without a corolla. 



Apicidate. With a minute pointed tip. 



Appressed. Lying against another organ. 



Arborescent. Forming a tree, or tree-like in 

 size or shape. 



Aril. A fleshy organ growing about the hilum 

 of a seed. 



Aristate. Tipped by an awn or bristle. 



Ascending. Growing obliquely upward, or up- 

 ciu^ed. 



Auricled (Auricuiate). With basal, ear-like 

 lobes. 



Axil. The point on a stem immediately above 

 the base of a leaf. 



Axile. In the axis of an organ. 



Axillary. Borne at, or pertaining to, an axil. 



Baccate. Berry-like. 



Berry. A fruit with pericarp wholly pulpy. 



Bipinnate. Twice pinnate. 



Bipinnatifid. Twice pinnatifid. 



Blade. The flat expanded part of a leaf. 



Bract. A leaf, usually small, subtending a 



flower or flower-cluster. 

 Bracteate. With bracts. 

 Bractlet. A secondary bract, borne on a pedi- 



cel, or immediately beneath a flower; some- 

 times applied to minute bracts. 



Caducous. Falling away very soon after de- 

 velopment. 



Calyx. The outer of two series of floral leaves. 



Campanulate. Bell-shaped. 



Canescent. With gray or hoary fine pubes- 

 cence. 



Capitate. Arranged in a head; knob-like. 



Capsular. Pertaining to or like a capsule. 



Capsule. A dry fruit of two carpels or more, 

 usually dehiscent by valves or teeth. 



Carpel. The modified leaf forming the ovary, 

 or a part of a compoimd ovary. 



Caudate. With a slender tail-like appendage. 



Cell. A cavity, of an anther or ovary; the 

 unit of plant structure. 



Chartaceous. Papery in texture. 



Chlorophyll. Green coloring matter of plants. 



CUiate. Provided with marginal hairs. 



Clavate. Club-shaped. 



Cleft. Cut about half-way to the mid-vein. 



Confluent. Blended together. 



Connate. Similar organs more or less imited. 



Connective. The end of the filament, between 

 the anther-sacs. 



Connivent. Converging. 



Convolute. Rolled around or rolled up longi- 

 tudinally. 



Cordate. Heart-shaped. 



Coriaceous. Leathery in texture. 



Corolla. The inner of two series of floral 

 leaves. 



Corymb. A convex or flat -topped flower-clus- 

 ter of the racemose tjrpe, with pedicels or 

 rays arising from different points on the 

 axis. 



Corymbose. Borne in corymbs; corymb-iike. 



Cotyledon. A rudimentary leaf of the embryo. 



Crenate. Scalloped; with rounded teeth. 



Crenulate. Diminutive of crenate. 



Crustaceous. Hard and brittle. 



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