GLOSSARY 



283 



Ovoid. More or less oval or 

 egg-shaped. Generally not 

 quite so definite as ovate or 

 oval. 



Ovule. The body in a pistil 

 which, after pollination, be- 

 comes the seed. 



Palmate. Lobed or veined like 

 a hand. Used commonly in 

 describing simple leaves. The 

 similar word, digitate, is used 

 for compound leaves. 



Panicle. An inflorescence with 

 both a main stalk and lateral 

 branches, the flowers on 

 stalks rising from the lateral 

 branches. 



Papillose. Bearing papillae, that 

 is, small, wartlike rough- 

 nesses. 



Pedicel. The stalk upon which 

 an individual flower in an 

 inflorescence sits. 



Peduncle. The stalk of an in- 

 florescence or, if there is only 

 one flower, the stalk of the 

 flower. 



Peltate. Shield-shaped. Used for 

 round or oval leaves that 

 have the petioles joined to 

 the main vein somewhere 

 within the area of the leaf 

 rather than at an end and 

 also for other plant parts 

 that resemble a shield in 

 shape. 



Pendulous. Hanging or droop- 

 ing. Used in this text to 

 describe the general appear- 

 ance of branches and branch- 

 lets. 



Perfect. Having both stamens 

 and pistil in one flower. Con- 

 trasting words are dioecious, 

 monoecious and polygamous. 



Perianth. The calyx and co- 

 rolla taken together. 



Petal. The individual part of 

 a corolla. In most flowers, 

 one of the colored parts. 



Petiole. The stalk of a leaf. 



Pilose. Covered with soft, long 

 hairs. 



Pinnate. With a main axis 

 from which branches go out 

 on either side. Used in this 

 text to indicate both the vein- 

 ing of leaves and the ar- 

 rangement of leaflets in com- 

 pound leaves. 



Pistil. The organ in a flower 

 which accepts pollen, contains 

 the ovule, and develops seed. 



Pistillate. Pistil-bearing. Used 

 to designate flowers that bear 

 pistils, and plants that bear 

 pistil-bearing flowers. 



Polygamous. Used when both 

 unisexual and bisexual flowers 

 are borne on the same plant. 



Pome. A fruit resembling an 

 apple. 



Prickle. A short, slender, weak 

 spine. In this text, inter- 

 mediate between bristle and 

 spine. 



Puberulent. Covered with very 

 fine hairs. 



Pubescent. Covered with hairs. 

 A general term for all hairy 

 coverings ; contrasts with gla- 

 brous. 



Punctate. Marked with small 

 dots. 



Raceme. An inflorescence hav- 

 ing only a main axis, from 

 which the flower pedicels 

 arise. Flowers at the bottom 

 of the axis blossom earlier 

 than those at the top. 



Racemose. Having the charac- 

 teristics or appearance of a 

 raceme. 



Rachis. The axis of an in- 

 florescence or of a compound 

 leaf. 



Rank. A row. Used in describ- 

 ing the positions of leaves, one 

 above the other, on the stem. 



Ray-flower. Used in this text 

 for the sterile, enlarged, whit- 

 ish or greenish flowers in 



