143 



Ovary. That part of the pistil which contains UK; sued. 



Uruic. Egg-shaped. 



Paid wpalva. Tho iimer scale or chaff of tho proper flower, placod nearly opposite 



and a little higher on tho axis than the flowering glume. 

 Panicle. A branched and subdivided stein bearing the ilowers. 

 I 'edict- 1. A small branchlet supporting a spikolet. 

 Peduncle. The main stem or stalk of a llower-spike. 

 Perennial. Living more than two yearn, or indefinitely. 

 Perfect. Having botli stamens and pistils. 

 Petiole. The stem of a leaf. 



Pistil. The central or female organ of a fertile ilower. 

 Pistillate. Having only pistils without stamens. 

 Plumose. Feather-like. 



Pollen. The powder contained in the anthers. 

 Pubescent. Clothed with short and soft hairs. 

 Radical leaves. Those growing from the base of the culm. 

 Revolute. Ro ling backwards or outwards. 

 Rhachis. The axis or stem on which the Ilowers of a spikelet are arranged; also the 



common axis of a close spike or of a panicle. 

 Rhizoina, or Root-slock. A horizontal underground stem. 

 Ribs. Prominent nerves of the leaves or glumes. 

 Rut/one. Wrinkled or furrowed. 



Scabrous. Rough, with small pomt or short stiff hairs. 

 Scariotis. Dry and thin, and generally transparent. 

 Sericeous. Covered with soft, silky hairs. 



Serrate. Having teeth on the margin, pointed towards tho apex. 

 Serrulate. Finely-toothed. 

 Sessile. Without a foot-stalk or pedicel. 

 Setaceous. Like a bristle. 



Sheath. That part of the leaf which embraces the culm or stalk. 

 Spike. A collection of sessile or nearly sessile Ilowers on a close, narrow axis. 

 Spikelet. A flower or cluster of Ilowers having one pair of outer glumes. 

 Stamen. The male .organs of a Ilower, including the anther and lilameut. 

 Staminate. Having only stamens. 

 Sterile. Imperfect ilowers not producing seed. 

 Strict. Erect and close. 



Stoloniferous. Sending off offshoots or runners from the base. 

 Slriyose. Having spreading, bristly hairs. 

 Style. That portion of the pistil bearing stigmas or a stigmatic surface; in grasses 



often branching. 



Subulate. Stiff and linear, shaped like an awl. 

 Succulent. Fleshy and juicy. 

 Truncate. Abruptly cut off at the apex. 



Unequal. Not of equal length. 



VerticiUute. Arranged in a whorl or whorls. 



Villons. Velvety, clothed thickly with long, soft hairs. 



IFhorl. A number of leaves or branches arranged around a stem on the same plane. 



Woolly. Clothed with long and matted hairs. 



