8 GLOSSARY. 



Mroly, coveretl witli a scurfy powder like fldnr. 

 Mcinhranoiix, thin, transparent and tloxible, not green. 

 Midrib, central nerve of a leaf. 

 Mnn<rci(n(.s, a plant Avhich has the male and female flowers 



on the same individual. 

 MdiiopifnIoKS, a corolla whose petals are niore or less 



united. 

 Mucronate. terminating al)ruptly in a short, stiff point 



called a mucrn. 

 NoiJp, the swollen part of the stem from which leaves or 



branches spring; commonly called a "joint." 

 Ohrorddtc, heartshaped with the notch uppermost. 

 Oblong, much longer than broad, and rounded at both 



ends. 

 Oboval, oval, with the broadest part above the middle. 

 Opposite, two leaves or othei- organs rising from the same 



level on opposite sides of the stem. 

 Odd (ovate), eggshaped and broadest below the middle. 

 Oral II, see pistiJ. 



Ovoid, eggshaped; applied to solid organs such as fruits. 

 Ovule, a young seed. 

 Paliuate, leaves with divergent lobes, like the open hand; 



almost the same as digitate. 

 P<d niatifid. palmately divided into lobes or segments. 

 ranirle, an inflorescence where the axis is divided into 



branches bearing several flowers. 

 I'apiUose, covered with minute protuberances called papiUce. 

 I'appus, ring of hairs or scales which represent the limb of 



the calyx in many Coihpo!^it(r. 

 Pedieel, stalklet of a flower, when the peduncle bears 2 or 



more pedicellate flowers. 

 Pedicellate, growing on a pedicel. 

 Peduncle, stalk of a solitary flower, or common stalk of 



several pedicellate or sessile flowers. 

 Pedunculate, growing on a peduncle. 

 Peltate, leaf whose stalk is attached to the undcr-surface, 



instead of the edge. 

 Perenni(d, a plant living several years. 

 Prtianth, the floral env(>lopo in flowers wlu>re the calyx or 



corolla is wanting, or where the two are indistinguish- 

 able. 

 Pericarp, the walls of the fruit, consisting of the ripened 



ovary. 

 Persi.<itant, lasting beyond maturity ; the opposite of 



deciduous. 

 Petal, one of the divisions of the corolla, usually consisting 



of a blade or hnnina and a claw. 

 Petaloid, resembling a petal. 

 Petiole, stalk of a leaf. 

 Petiolule, stalk of a leaflet. 



