344 



MORPHOLOGY OF ANGIOSPEEMS 



Phaseolus, 179, 208; multiflorus, 

 204. 



Philydraeeae, 23-3, 264. 



Phlox Drumniondii, 113. 



Phyllocactus, 108. 



Phragmites, 27-5. 



Phryniaceae, 256. 



Phylloglossum, 300. 



Phyllosiphonic, 20S. 



Phylogeny of Angiosperms, 280. 



Phytelephas, 178, 231, 202. 



Phytolacca, 179. 



Phytolaccaceae, 103. 170, 244. 



Pinguicula vulgaris, J/2. 



Pinus, 100; Strobus, 112. 309. 



Piper. 79, 90. 107. 178; medium, 168. 



Piperaceae, 40, 50, 79, 103, 178, 179, 

 201, 242. 



Piperales, 242, 287. 



Pirolaceae, 253. 



Pirotta, E„ 150. 



Pirus .Mains, 15, 221. 



Pistia, 178, 192, 195. 201. 203, 275; 

 type of embryo, 192. 



Pistil, 25. 



Pisum sativum, 204. 



Pittosporaceae, 240. 



Placenta. 25. 



Plantaginaceae, 102, 100, 170, 258, 

 271. 



Plantaginales, 258, 209. 



Plantago, 209; lanceolata, 107. 



Platanaeeac, 240. 



Plumbaginaeeae, 254. 



Poacitcs, 275. 



Podophyllum, 53. 282, 313: pelta- 

 tum, 31, 82. W,. 



Podostemonaeeae, 246. 



Polar nuclei, 92; fusion of. 95. 



Polemoniaceae, 103, 250, 209. 



Polemoniales, 258. 



Pollen mother-cell, division of, 120, 



Pollen-tube. 143; branching of. 148; 

 development of. 140; discharge of. 

 152: entrance into sac, 151: in 

 cleistogamous flowers, 140; Prop- 

 fen, 148; time between pollination 

 find fertilization, 140,. 

 Pollination, relation to endosperm, 

 109. 



Pollinium, l:',2. 

 Polyembryony, 21 3. 

 Polygalaceae, 104, 110, 247. 



Polygonaceae, 40, 50, 179, 244, 207. 



Polygonales, 244. 



Polygonum, 94; divarieatum, 94. 



Polypompholyx, 108. 



Polystelie, 297. 



Pontederia, 104, 140, 151; cordata, 



81. 

 Pontederiaceae, 34, 37, 03, 77, 78, 



97, 235, 204, 205. 

 Populus, 52, 133, 277, 278: monilif- 



era, 30, 31; primaeva, 270; trem- 



uloides, 00. 

 Portulaea, 143. 

 Portulacaceae. 244. 

 Potamogeton, 03, 70, 77, 90. 97, 104, 



130, 170. 192; nataus, 78; folio- 



sus, 33, 02, 78. 

 Potamogetonaceae. 229, 230, 234, 



203, 205, 274, 275. 

 Potentilla, 18. 

 Pothos longifolia. 148. 

 Potonie, H., 300, 303, 308. Fig. 111). 

 Prantl, K,, 8, 50. 

 Primula farinosa, 312. 

 Primulaceae, 19, 103, 254. 209. 

 Primulales, 254, 209. 

 Prineipes, 231. 

 Pringsheim. X., 288. 

 Proangiosperms, 277. 281. 2S3, 2S6. 

 Proembryo. 188. 

 Propfen, 148. 



Prophyllum, Monocotyledons and Di- 

 cotyledons contrasted. 7. 

 Proteaccae. 131, 243, 268, 278. 

 Proteales. 243. 

 Proteophyllum, 277. 

 Protocorm, 209. 

 Protolenma, 275. 

 Protostelic, 2o7. 

 Primus Cerasus, 125. 

 Pseudo-monocotyledons. 200. 

 I'seudo-polyembryony. 221, 

 Psilotum triquetrum, lo). 

 Pteridophytes, anatomy of. 296. 

 Pteris aquilina, 297, 298, 301, 303, 



Fig. 108. 

 Punicacvae. 250. 

 Purkinje, J. K„ 34. 

 I'yrcthruin. 85, 87; balsaminatum, 



111. 

 Pyrola rotundifolia, .}.?; secunda, 



200; uniflora, -4:2. 

 Pyrolaceae, 170. 



