456 



Glossary 



incised, cut rather deeply and irregu- 

 larly. 



incumbent the cotyledons are in- 

 cumbent when the back of one of 

 them lies against the caulicle. 



inferior, growing below some other 

 organ. 



inflorescence, the arrangement of the 

 flowers on a stem. 



insertion, the place or mode of attach- 

 ment. 



introrse, turned or facing inward. 



involucel, a small involucre. 



involucre, a whorl or set of bracts 

 around a flower, umbel or head. 



keel, a projecting ridge. 



lacerate, appearing as if torn. 



laciniate, slashed. 



lanate, woolly. 



lanceolate, lance-shaped. 



legume, a simple pod which dehisces 

 in 2 pieces. 



lenticular, lens- shaped. 



ligneous, woody. 



ligulate, strap- shaped. 



limb, the border of a corolla. 



linear, narrow and flat, the margins 

 parallel. 



loculicidal, dehiscent through the 

 back of each cell. 



lodicule see page 18. 



lunate, crescent-shaped. 



lyrate, lyre-shaped. 



marcescent, withering without falling 



off. 



maritime, belonging to the seacoast. 

 membranous, thin and soft, like a 



membrane. 

 merous, the number of parts in a 



circle. 



mesocarp, the middle part of a peri- 

 carp. 

 monoecious, having stamens or pistils 



only. 

 mucronate, tipped with an abrupt 



short point. 



mucronulate, diminutive of the last, 

 muricale, beset with short prickly 



points. 

 muticous, blunt, pointless. 



nectar, a sweet secretion in flowers. 

 nectariferous, having nectary. 

 nerve, veins, usually confined to those 



that are parallel. 

 nervose, conspicuously nerved. 

 nodose, knotty. 



oblong, 2-4 times as long as broad. 



obovate, inversely ovate. 



obtuse, blunt or rounded at the end. 



ochroleucous, yellowish-white. 



oculate, with eye-shaped markings. 



opposite, on opposite sides of the 

 stem, in pairs. 



orbicular, circular in outline. 



orthotropous, straight, when the mi- 

 cropyle is on the opposite end 

 from the hilum. 



oval, broadly elliptic. 



ovary, that part of the pistil contain- 

 ing the ovules. 



ovate, shaped like an egg, with the 

 broad end downward. 



ovoid, ovate or oval. 



ovuliferous, ovule-bearing. 



palea, chaff. 



palmate see digitate. 



panicle, an open and branched cluster, 

 a compound raceme. 



papilionaceous, butterfly-shaped. 



papilla, little nipple-shaped protu- 

 berances. 



papillate, papillose, covered with pa- 

 pillae. 



pappus, the bristles, scales, etc., at 

 the apex of the achenes in the 

 Composite*}. 



parasitic, living on another plant or 

 animal. 



parietal, attached to the walls of the 

 ovary. 



pectinate, pinnatifid into narrow di- 

 visions, like the teeth of a comb. 



pedate, like a bird's foot. . 



pedicel, the stalk of each flower in a 

 cluster. 



pedicellate, pedicelled. 



peduncle, a flower-stalk, whether of a 

 single flower or of a cluster. 



peltate, shield-shaped. 



pepo, a fruit like the melon. 



