XXVI 



GLOSSARY OF TERMS. 



Pappus, the crown of the fruit of 

 Compositffl and similar plants. 



Parasitic, growing on another plant 

 and drawing nourishment from 

 it; as the Misseltoe. 



Parietal, 117. 



Parted, deeply divided, more than 

 cleft. 



Partial, a term applied to small or 

 constituent parts in distinction 

 from general. 



Partition, the dividing wall or dis- 

 sepiment in seed vessels. 



Pectinate, like the teeth of a comb, 

 intermediate between fimbriate 

 and pinnatifid. 



Pedicel, small footstalk of a flower, 

 57. 



Peduncle, the common footstalk of 

 flowers, 56. 



Pellicle, a very thin stratum or 

 coat. 



Peltate, having the stalk attached 

 to some part of the surface or 

 disk, and not to the margin. 



Pendulous, hanging down. 



Pencilled, ending like a painter's 

 pencil or brush. 



Perennial, 30 c. 



Perfect flower, 9J . 



Perfoluite, surrounding the stem on 

 all sides and perforated by it ; it 

 differs from connate, in not con- 

 sisting of two leaves; Ex. Eupa- 

 toriutn perfoliatum. 



PeriantJi, periantliium or perigoni- 

 um, 74. 



Pericarp, 133. 



Pcrigynous, 94. 



Permanent, see persistent. 



Persistent, not falling off; those 

 parts of a flower are persistent 

 which remain till the fruit is ripe. 



Personate, masked, having the 

 mouth of the corolla closed by a 

 prominent palate. 



Petal, 77. 



Petaloid, like a petal. 



Petiole, 40. 



Phanogamous, applied to all plants 

 which have visible flowers con- 

 taining stamens and pistils. 



Pilose, hairy, with a stiff pubes- 

 cence. 



Pinna, the leafets or divisions of a 

 pinnate leaf. 



Pinnate, a leaf is pinnate when the 



leafets are arranged in two rows 

 on the side of a common petiole. 



Pinnatifid, cut in a pinnate man- 

 ner ; it differs from pinnate in 

 consisting of a simple or contin- 

 uous leaf, not compound. 



Pisiform, formed like peas. 



Pistil, 108. 



Pistillate, having pistils, but no 

 stamens. 



Plane, flat. 



Plicate, plaited, folded like a ruffle 

 or fan. 



Plumose, feathery, feather like. 



Plumula, 174. 



Pod, 154. 



Polygamous, having some flowers 

 which are perfect, and others 

 which have stamens only, or 

 pistils only. 



Polygynous, having many styles. 



Polymorphous, changeable, assum- 

 ing a variety of forms. 



Polyp elalous, 77. 



Polyphyllous, having many leaves, 

 applied to the calyx. 



Polysepalous, 76. 



Polyspfrmous, having many seeds. 



Pome, 158. 



Porrecled, extended forward. 



Pouch, 154. 



Protmorse or abrupt, 11 rf. 



Prickle, 27. 



Prismatic, having several parallel, 

 flat sides. 



Procumbent, lying on the ground. 



Proliftrous, an umbel or Sower is 

 said to be proliferous when it has 

 smaller ones growing out of it. 



Pseudopinnate, falsely or imper- 

 fectly pinnate, not resolving at 

 any time into separate leafets ; 

 as the Pea, Vetch, &c. 



Pubescent, hairy or downy. 



Pulp, the soft, juicy, cellular sub- 

 stance found in berries and simi- 

 lar fruits. 



Pulverulent, dusty, composed of 

 powder, or appearing as if co- 

 vered with it 



Punctate, appearing as if pricked 

 full of small holes, or dots. 



Punctiform, resembling dots. 



Pungent, sharp, acrid, prickling. 



Putamen, a hard shell. 



Pyriform, shaped like the fruit of a 

 pear. 



