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. 

 muricate, 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. 



