INDEX 



349 



Oak apples, 290 



Oak, the, 290 



Oats, 288 



Oligocene Period, the, 300 



Onagraceae, see the Willow-herb 



family 



Orchid, the Frog, 134 

 Orchid, the Vanilla, 135, 272 

 Orchid, the Lesser Butterfly, 134, 

 135, 136-140, 255 



flower structure, 136-138 



method of pollination, 138-139 



scent of, 136 



twisted ovary, 139-140 

 Orchids, the Alpine, 133-140, 273 



types of habitat, 134 

 Orchis maculata, Linn., see the 



Spotted Orchis 

 Orchis, the Spotted, 134 

 "Origin of Species," the (by 



C. Darwin), 302-303 

 Origin of the Alpine Flora, 300-306 

 Oxalidaceae, see the Oxalis family 

 Oxalis acetosella, Linn. , see the Wood 



Sorrel 



Oxalis family, the, 263 

 Oxlip, the, 31, 66, 67-69 



heterostylism of, 68 



time of flowering, 31 

 Oxytropis fcetida, D. C., 295 



Pansy, the Field, 46, 124, 151, 159- 



163, 254, 266, 571 

 cross-pollination of, 161-162 

 fruits of, 162-163, 266 

 Papaver alpinum, Linn., see the 



Alpine Poppy 

 Papaver aurantiacum, Lois., see the 



Alpine Poppy 

 Papaver nudicaule, Linn., see the 



Alpine Poppy 

 Papaver pyrenaicum, Wild., see the 



Alpine Poppy 



Papaveraceae, see the Poppy family 

 Parasitic animals, 286, 290, 291 

 Parasitic plants, 238, 286-291 

 Paris, 200-201 



Paris quadrifolia, Linn., see the 



Herb Paris 

 Parnassia palustris, Linn., see the 



Grass-of-Parnassus 

 Pasque-flower, the, 34, 306 

 Pastures, the Alpine, 28, 24, 32, 33, 



34, 93, 94 

 Pea family, the, 104, 105, 132, 252, 



253, 273, 281 

 Peach, the, 232 



Peat of the Meadows, the, 150-151 

 Pedicularis incarnata, Jacq., 95 

 Pedicularis jacquini, Koch., 295 

 Pedicularis, see the Louseworts 

 Pedicularis verticillata, Linn., 218 

 Petrocallis pyrenaica, Linn., see the 



Pyrenean Draba 



Phyteuma corniculatum, Clairv., 176 

 Phyteuma hemisphcericum, Linn. , 



192 



Phyteuma humile, Schleich., 192, 295 

 Phyteuma orbiculare, Linn., see the 



Round-headed Rampion 

 Phyteuma pauciflorum t Linn., 192, 



296 

 Phyteuma pedemontanum, Schulz, see 



P. pauciflorum, Linn. 

 Phyteuma spicatum, Linn., 91 

 Phyteuma, see the Rampions 

 Picea excelsa, Link., see the Spruce 



Fir 



Pigments of Flowers, 45, 47, 271 

 Pine-forests, see the Coniferous 



Forests 



Pine-needles and primitive soils, 97 

 Pine, the Mountain, 187, 234, 243- 



244 



Pine, the Scotch, 243, 245 

 Pines, the, 97, 151, 234, 240, 241, 



242 

 Pinguicula alpina. Linn., see the 



Alpine Butterwort 

 Pinguicula grandiflora, Lam., see 



the Large-flowered Butterwort 

 Pinguicula, see the Butter worts 

 Pinguicula vulgaris, Linn., see the 



Common Butterwort 

 Pink family, the, 112, 115, 163, 180, 



184 



Pink, the Carthusian, 113 

 Pink, the Large-flowered, 112-113 

 Pink, the Wood, 113 



