Lake Maxinkuckee, Physical and Biological Survey 493 



Physalis lanceolata, 407. 

 pruinosa, 407. 

 pubescens, 407. 

 virginiana, 407. 

 Phytolaccacese, 298. 

 Phytolacca americana, 298. 

 Pickerel-weed Family, 260. 

 Pickerel-weed, 190, 260. 

 Pieris floribunda, 386. 

 protodice, 38, 39. 



rapse, 37, 39. 

 Pig-toe, Wabash, 51. 

 Pigeon-grass, 227. 

 Pigweed, Slender, 296. 



Winged, 297. 

 Pike, Walleyed, 80, 100. 

 Pilea pumila, 291. 

 pilosa, Eragrostis, 235. 



Phlox, 398. 

 pilosum, Galium, 419. 

 Pimpernel, 410. 

 Pimpernel, Long-stalked False, 410. 



Water, 388. 



Yellow, 379. 

 Pin Oak, 284. 



Pin-weed, Thyme-leaved, 368. 

 Pincushion, 418. 

 Pinaceae, 207. 

 Pine Family, 207. 

 Pine, Gray, 207. 



Labrador, 207. 



Prince's, 384. 

 Pine-sap, Hairy, 384. 

 Pineweed, 367. 

 Pink Family, 300. 

 Pink Wild Bean, 348. 

 pinnata, Porella, 418. 



Ratibida, 439. 

 pinnatifidum, Thaspium, 379. 

 Pinus banksiana, 207. 

 Pipe, Indian, 384. 

 piperita, Mentha, 406. 

 Pipewort Family, 259. 

 Pipewort, Seven-angled, 184, 259. 

 Pipsissewa, 384. 

 Pisidium abditum, 74. 



affine, 74. 



compressum, 74. 



compressum lasvigatus, 74. 



idahoense, 74. 



indianense, 74. 



Pisidium lacustrinum, 74. 

 mainense, 74. 

 medianum, 74. 

 milium, 74. 

 nove-boracense, 74. 

 pauperculum, 74. 

 pauperculum crystalense, 74. 

 politum, 74. 

 rotunda turn, 74. 

 sargenti, 74. 

 scutellatum, 74. 

 splendidulum, 74. 

 strengii, 74. 

 subrotundatum, 74. 

 tenuissimum, 74. 

 variabile, 74. 

 vesiculare, 74. 

 virginicum, 74. 

 walkeri, 74. 

 pisiformis, Chaetophora, 156. 

 Pitcher-plant Family, 321. 

 Pitcher-plant, 321. 

 Placobdella montifera, 94. 

 parasitica, 92. 

 rugosa, 93. 

 Planarians, 100. 

 Plane-tree Family, 327. 

 Plankton, 105. 

 Plankton, Decrease in, 106. 



Distribution of, 106. 

 Plankton Scum, 110. 

 Condition of, 112. 

 Significance of, 112. 

 Plankton-net, Description of, 105. 

 Planorbis albus, 73. 

 bicarinatus, 72. 

 campanulatus, 73. 

 exactus, 73. 

 parvus, 73. 

 trivolvis, 73. 

 Plant Lice, 31. 



Plant patches in the lake, 134. 

 Plantaginaceae, 416. 

 plantaginifolia, Antennaria, 436. 

 Plantago aristata, 417. 

 lanceolata, 417. 

 major, 416. 

 rugelii, 416. 

 Plantain Family, 416. 

 Plantain, English, 417. 

 Large-bracted, 417. 



