492 Lake Maxinkuckee, Physical and Biological Survey 



pauperculus, Senecio, 446. 



Pawpaw, 306. 



Pea Family, 338. 



Pea, Large-flowered Sensitive, 338. 



Partridge, 338. 



Sensitive, 337. 



Veiny, 344. 

 Pea-nut, Hog, 345. 



Wild, 345. 

 Peach Family, 336. 

 Peach, 337. 

 Peach-leaved Dock, 292. 



Willow, 279. 

 Pear, Western Prickly, 370. 

 pectinatus, Potamogeton, 174, 216. 

 pectorale, Gonium, 152. 

 pedata, Viola, 368. 

 pedatum, Adiantum, 203. 

 Pediastrum boryanum, 151. 



duplex, 151. 



ehrenbergii, 151. 

 pedicellaris, Salix, 281. 

 pedicularia, Dasystoma, 412. 

 Pedicularis canadensis, 413. 



lanceolata, 413. 

 Peltandra virginica, 254. 

 peltatum. Podophyllum, 315. 

 Pennsylvania Bitter-cress, 320. 



Persicaria, 294. 



Saxifrage, 323. 



Sedge, 251. 

 pennsylvanica, Cardamine, 320. 



Carex, 251. 



Fraxinus, 389. 



Micranthes, 323. 



Persicaria, 294. 



Photuris, 34. 

 Pennyroyal, 405. 

 Penthoracese, 323. 

 Penthorum sedoides, 323. 

 Pepin Lake, Minn., 42. 

 Pepper, Mild Water, 295. 



Water, 295. 

 Pepper-and-salt, 379. 

 Pepper-grass, Wild, 318. 

 Peppermint, 406. 

 Perca flavescens, 80. 

 percarum, Actheres, 81. 

 Perch, Yellow, 80, 100. 

 peregrina, Comptonia, 275. 



Veronica, 411. 



perennans, Agrostis, 232. 

 perennis, Lupinus, 339. 

 Perethemis domitia, 13. 

 perfoliata, Specularia, 422. 

 perfoliatum, Eupatorium, 428. 



Triosteum, 421. 

 perfoliatus, Potamogeton, 175, 214. 

 Peridinium tabulatum, 97. 

 Periwinkle, 392. 

 perpusilla, Lemna, 167, 258. 

 persica, Amygdalus, 337. 

 Persicaria amphibia, 294. 



hydropiper, 295. 



hydropiperoides, 295. 



lapathifolia, 294. 



muhlenbergii, 294. 



pennsylvanica, 294. 



persicaria, 294. 



persicaroides, 295. 



punctata, 295. 



Dock-leaved, 294. 



Pale, 294. 



Pennsylvania, 294. 



Southwestern, 295. 



Swamp, 294. 



Water, 294. 

 persicaria, Pei'sicaria, 294. 

 persicaroides, Persicaria, 295. 

 persius, Thanaos, 39. 

 perspecta, Pyramidula, 75. 

 pestifer, Salsola, 298. 

 Phalaris arundinacea, 229. 

 Phalen Lake, Minn., 30. 

 Philadelphia Fleabane, 435. 

 philadelphicus, Erigeron, 435. 

 philodice, Eurymis, 39. 

 Philotria canadensis, 174, 221. 

 Phleum pratense, 231. 

 Phlox Family, 398. 



divaricata, 398. 



pilosa, 398. 



Downy, 398. 



Wild, 398. 

 Photuris pennsylvanica, 34. 

 Phragmites phragmites, 234. 

 phragmites, Phragmites, 234. 

 Phrymaceje, 416. 

 Phryma leptostachya, 416. 

 Phyciodes tharos, 39. 

 Physa heterostropha, 73. 



Integra, 73. 



