36 GLOSSARY 



ORBICULAR. Circular. 



OVAL. Broadly elliptic. 



OVOID. Shaped like a lien's egg. 



PALMATE. Badiately lobed or compound. 



PEDATE. Eadiately lobed or compound with the lateral 

 lobes or parts cleft. 



PELTATE. Shield-shaped, with an attachment on the 

 lower surface. 



PENICILLATE. Tipped with fine hairs. 



PENTAGONAL. Five-angled. 



PERENNIAL. Having several or many years' duration. 



PERSISTENT. Evergreen. 



PETIOLE. The stalk of a leaf. 



PINNA. A primary division of a compound leaf, a 

 leaflet. 



PINNATE. Compound and with the leaflets arranged on 



each side of a common rachis. 



PINNATIPID. Pinnately cut. 



PINNULE. A secondary pinna. 



PROCUMBENT. Joying on the ground, but not rooting. 



PROTHALLUS. A cellular thalloid structure resulting 

 from the germination of a spore and bearing reproduc- 

 tive organs. 



PUBESCENT. Having hairs. 



PUNCTATE. Marked with depressions or internal glands. 



PYRIFORM. Pear-shaped. 



EACHIS. The axis of a compound leaf or of an in- 

 florescence. 



EECEPTACLE. An expanded structure that bears other 

 organs. 



EEFLEXED. Bent abruptly downward. 



EENIFORM. Kidney-shaped. 



BETICULATE. Like a net-work. 



