INDEX AMD GLOSSARY. 



393 



Pine, 294. 



Pine-apple, 304. 



Pine Family, 294. 



Pine wood, no. 



Pink Family, i66. 



Pinnce, 345. 



pin/iate.jZ. 



pinnatifid, 77, 



pinnatipartite, 77. 



Pinnules, 345. 



Pinus, 294. 



Piper, 293. 



PiperaceiB, 292. 



Pipewort Familj', 315. 



Pistacia, 193. 



Pistia, 309. 



Pistiaceae, 309. 



Pistil, 9, 91. 



Pi>um sativum, 196; described, 370. 



Pitcher (of Nepenthes), 282. 



Pitcher-plant Family, 281. 



Pith, 117. 



Placenta, the part of the ovary upon 

 which the ovules are inserted. 



Placentation, 96. 



Plantaginaceae, 264. 



Plantago, 265. 



Plantain, 265. 



Plantain Family, 264. 



Platanthera, 318, 320. 



Plum, 203. 



Plumbaginaceae, 263. 



Plumbago, 263. 



plumose, plum-like. 



Plumule, 14. 



pluri-, several, in composition. 



Poaceae, 338. 



Pogostemon, 258. 



Poinciana, 197. 



Poinsettia, 280. 



Polanisia, 162. 



Pollen, 9, 25; varieties of, no. 



pollen-mass, 51 ; of Asclepiadeae, 241. 



Pollen-tubes, 25. 



Polliniutn, 318. 



poly-, many, in composition. 



polyadelphous, 8, 64. 



polyandrous, 64. 



polycotyledonous, 297. 



Polygala, 165. 



Polygalaceae, 165. 



polygamous, with male, female, and 

 herrnaphr(jdite flowers on the same or 

 on distinct plants. 



Polygonaceae, 269. 



Polygonum, 269. 



polygynous, with numerous carpels or 

 styles. 



Polypetaleae, 60. 



polypelalons, 7. 



polyphyllous, applied to perianths con- 

 sisting of free leaves. 



Polypodium, 346 



Polyporus, 358. 



polysepalous, 7. 



Pomaceae, 201. 



Pomegranate, 210. 



Pond weed, 333. 



Pondweed Family 333. 



Pontederia Family, 315. 



Pontederiaceae, 315. 



Poplar, 283. 



J^oppy. 29, 30. 



Poppy Family, 157. 



Poppy, placenution of, 96. 



Popuius, 283. 



Porana, 247. 



posterior, same as superior when applied 



to the relation of the parts of a flower 



to the axis. 

 Potamogeton, 333. 

 Potato, 252. 

 Pothos, 307. 

 prcemorse, applied to roots terminating 



abruptly, 

 Prangos, 221. 



Prickles, sharply-pointed projections ori- 

 ginating from the bark, as in Rose 



202. 

 Prickly Pear, 215. 

 Primine, the outer coat of an ovule. 

 Primrose Family, 261. 

 Primula, 262. 

 Primulaceae, 261. 

 Princes' Feather, 268. 

 procumbent, applied to stems which 



spread upon the ground. 

 proliferous, producing leaf-buds in the 



place of flower-buds or seeds. 

 prose?tchy7na, a tissue of long, tapering 



cells. 

 Prothallus, 345, 350. 

 Prunus, 20I, 203. 

 Psidium, 210. 

 Psilotum, 353. 

 Pteris, 347. 

 Pterisanthes, 190. 

 Pterocarpus, 197, 199. 

 Pterospermum, 176. 

 pubescent, downy, with very short, soft 



hairs. 

 Puff-balls, 358. 

 Pulque, 330. 

 Punagchampa, 323. 

 Punica, 210. 



Putamen, the endocarp of stone fruits. 

 Pygeum, 201. 

 Pyrus, 201, 203. 



guadri-, four, in composition. 

 quaternary compounds, ao. 

 Quercus, 284. 

 quinate, 79. 



