Glossary of Special Terms. 



AcaulescenI, With stem subterranean, or nearly 

 so. 



Accumbent. Cotyledons with margins folded 

 against the hypi C>tyl. 



Achene. A dry one-seeded indehiscent fruit with 

 the pericarp tightly fitting around the seed. 



Acicular. Needle-shaped. 



Acuminale. Gradually tapering to the apex. 



Acute. Sharp pointed. 



Adnate. An organ adhering to a contiguous dif- 

 fering one; an anther attached longitudinallj- 

 to the end of the filament. 



Advenlive. Not indigenous, but apparently be- 

 coming naturalized. 



Albumen. See Endosperm. 



Alliaceous. Onion-like, in aspect or odor. 



Alternate. Not opposite; with a single leaf at 

 each node. 



Alveolate. Like honeycomb; closely pitted. 



Ament. A spike of imperfect flowers subtended 

 by scarious bracts, as in the willows. 



Amphibious. At times inhabiting the water. 



Amplntropous. Term applied to the partly 

 inverted ovule. 



Amplexicaul. Clasping the stem, or other axis. 



Anastomosing. Connecting so as to form a well- 

 defined network. 



Analropous. Applied to an inverted ovule with 

 the micropyle very near the hilum. 



Androgynous. Flower clusters having stamin- 

 ate and pistillate flowers. 



Angiospermous. Pertaining to the Angio- 

 spermae; bearing seeds within a pericarp. 



A nther. The part of the stameu which contains 

 the pollen. 



Aniherid. The male organ of reproduction in 

 Pteridophyta and Bryophyta. 



Aniliesis. Period of flowering. 



Apetatous. Without a corolla. 



Apical. At the top, or referring to the top. 



Apiculate. With a minute pointed tip. 



Appressed. Lying against another organ. 



Arborescent. Tree-like, in size or shape. 



Arcliegone. The female reproductive organ iu 

 Pteridophyta and Bryophyta. 



Areolate. Reticulated. 



Areolation. The system of meshes in a net- 

 work of veins. 



Areole. A mesh in a network of veins. 



Aril. A fleshy organ growing about the hilum. 



Ariltate. Provided with an aril. 



Ari'itate. Tipped by an awn or bristle. 



Aristulate. Diminutive of aristate. 



Ascending. Growing obliquely upward, or up- 

 curved. 



Asexual. Without sex. 



Assurgent. See Ascending. 



A u ricled. { A u riculate)\vith basal ear-like lobes. 



Awn. A slender bristle-like organ. 



Axil. The point on a stem immediately above 

 the base of a leaf. 



A.vile. In the axis of an organ. 



A.rillary. Borne at, or pertaining to an axil. 



Baccate. Berry-like. 



Barbellate. Furnished with minute barbs. 



Basifixed. Attached by the base. 



Berry. A fruit with pericarp wholly pulpy. 



Bilabiate. With two lips. 



Bipinnate. Twice pinnate. 



Bipinnati/id. Twice pinnatifid. 



Blade. The flat expanded part of a leaf. 



Bract. A leaf, usually small, subtending a 

 flower or flower-cluster, or a sporange. 



Bracleate. With bracts. 



Bracteolate. Having bractlets. 



Bractlet. A secondary bract, borne on a pedicel, 

 or itnmediately beneath a flower; sometimes 

 applied to minute bracts. 



Bulb. A bud with fleshy scales, usually subter- 

 ranean. 



Butblel. A small bulb, especially those borne 

 on leaves, or in their axils. 



Bulbous. Similar to a bulb; bearing bulbs. 



Caducous. Falling away very soon after devel- 

 opment. 



Caespitose. Growing in tufts. 



Callosity. A small, hard protuberance. 



Callus. An extension of the inner scale of a 

 grass spikelet; a protuberence. 



Calyx. The outer of two series of floral leaves. 



Campanulate. Bell-shaped. 



Campylotropous. Term applied to the curved 

 ovule. 



Cancellate. Reticulated, with the meshes sunken. 



Canescent. With gray or hoary fine pubescence. 



Canaliculate. Channelled; longitudinally 

 grooved. 



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. 



Carinate. Keeled: with a longitudinal ridge. 



Carpel. The modified leaf forming the ovary, 

 or a part of a compound ovary. 



Caruncle. An appendage toaseedatthe hilum. 



Carunculate. With a caruncle. 



Caryopsis. The grain; fruit of grasses, with a 

 thin pericarp adherent to the seed. 



Caudate. With a slender tail-like appendage. 



Caudex. The persistent base of perennial 

 herbs, usually only the part above ground. 



Caudicle. Stalk of a pollen-mass in the Orchid 

 and Milkweed Families. 



Cauline. Pertaining to the stem. 



Cell, A cavity, of an anther or ovary. 



Chaff. Thin dry fcales. 



Chalaza. The base of the ovule. 



Chartaceous. Papery in texture. 



Chlorophyll. Green coloring matter of plants. 



Chloropliyllous. Containing chlorophyll. 



Ciliate. Provided with marginal hairs. 



Ciltolate. Minutely ciliate. 



Cilium. A hair. 



Cinereous. Ashy; ash-colored. 



Circinnate. Coiled downward from the apex. 



Circumscissile. Transversely dehiscent, the top 

 falling away as a lid. 



Clay ate. Club-shaped. 



Cleistogamous. Flowers which do not open, but 

 are pollinated from their own anthers. 



Cleft. Cut about halfway to the midvein. 



Clinandrium. Cavity between the anther-sacs 

 in orchids. 



Cochleate. Like a snail shell. 



Coma. Tuft of hairs at the ends of some seeds. 



Commissure. The contiguous surfaces of two 

 carpels. 



Conduplicate. Folded lengthwise. 



Confluent. Blended together. 



Connate. Similar organs more or less united. 



Connective. The end of the filament, between 

 the anther-sacs. 



Conniz'ent. Converging. 



Convolute. Rolled around or rolled up longi- 

 tudinally. 



Coralloid. Resembling coral. 



Cordate. Heart-shaped. 



Coriaceous. Leathery in texture. 



Corm. A swollen fleshy base of a stem. 



Corolla. The inner of two series of floral leaves. 



Corona: Crown. An appendage of the corolla; 

 a crown-like margin at the top of an organ. 



Coroni/orm. Crown-like. 



Corymb. A convex or fiat-topped flower-cluster 

 of the racemose type with pedicels or rays 

 arising from different points on the axis. 



