51 



Panicle, an iullorescence, where 

 subordinate stalks are again 

 divided. 



Patent, spreading horizontally. 



Peltate, shield-like, flattened and 

 expanded at top. 



Pedicel, the stalk supporting a 

 single flower. 



Pedimcle, the general flower-stalk. 



Pendulous, hanging down. 



Penni-nerved (leaf), whose ribs are 

 disposed like the parts of a 

 feather. 



Perianth, a term used where the 

 calyx and corolla are combined, 

 partaking of the nature of both. 



Pericarp, the covering of the fruit. 



Peridium, the cover of the fruc- 

 tification m fungi. 



Petals, flower-leaves ; leaves forming 

 the corrolline whorl. 



Petiole, the leaf-stalk. 



Pinna, a leaflet. 



Pinnate (leaf), a compound leaf, 

 having leaflets arranged on 

 each side of the central rib. 



Pvmatifid (leaf ), a simple leaf, cut 

 into lateral segments to about 

 the midrib. 



Phmulce, the small pinnas of a bipin- 

 nate or tripinnate leaf. 



Polygamous (plants), bearing her- 

 maphroditical, as well as dis- 

 tinct male and female flowers. 



Procumbent, lying on the ground. 



Pubescent, covered with short and 

 soft hair. 



Quadrangular, four-sided, four- 

 angled. 



Raceme, a cluster of flowers, where 

 from one common stalk un- 

 divided flower-stalks arise. 



Receptacle, the expanded part of the 

 fruit-stalks, which bears the 

 parts of fructification. 



Reflexed, bent backwards. 



Reniform, kidney-shaped. 



Rcpand, slightly waved at margin. 



Reticulated, netted. 



Rigid, stiff", inflexible, not easily 



bent. 

 Rugose, wrinkled. 

 Rhomboid, oval, somewhat angular 



in the middle. 



Scabrid, rough, covered with short 

 stiff" hairs. 



Scape, a leafless flower-stalk. 



Scarious, dry, shrivelled. 



Serrate, toothed, like the indenta- 

 tions of a saw. 



Sessile, stalk less. 



Setaceous, bristle like. 



Simple, not divided. 



Sinuated, the margin having obtuse 

 or blunt indentations. 



Sorus, a cluster of sporangia, 

 organs of propagation in ferns. 



Spadix, a fleshy spike, bearing 

 male and female flowers. 



Spathe, a membranaceous bract, 

 surrounding the flowers. 



Spatulate, shaped like a spattle. 



Spike, an inflorescence, where stalk- 

 less flowers are arranged on a 

 common axis. 



Stamen, the male organ of a flower, 

 formed by the f lament, or stalk, 

 and the anther. 



Stellate, arranged like a star. 



Stipe, the stalk of cryptogamic 

 plants. 



Stipule, a leaf-like appendage, 

 situated at the base of real 

 leaves, or of leaf-stalks. 



Striated, marked by streaks. 



Sioloniferous, having creeping run- 

 ners, which root at the joints. 



Style, the columnar or filiform 

 elongation of the pistil, which 

 supports the stigma, and pro- 

 ceeds upwards fronj the ovary. 



Subulate, awl-shaped. 



Succulent, fieshj. 



Suffrulicose, having tlic cliaracter of 

 an undershrub. 



