INDEX 



349 



O 



Oak apples, 290 



Oak, the, 290 



Oats, 288 



Oligocene Period, the, 300 



Onagracese, 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 

 Oxalidacese, see the Oxalis family 

 Oxalia acetosella, Linn. , see the Wood 



Sorrel 

 Oxalis family, the, 263 

 Oxlip, the, 31, 66, 67-89 



heterostylism of, 68 



time of flowering, 31 

 Oxytropis fcetida, D. C, 295 



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



163, 254, 266, 671 

 cross-pollination of, 161-162 

 fruits of, 162-163, 266 

 Papaver alpimim, Linn., see the 



Alpine Poppy 

 Papaver aurantiacttm, Lois., see the 



Alpine Poppy 

 Papaver nudicaule, Linn., see the 



Alpine Poppy 

 Pa/paver 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 

 Pamassia palustris, Linn., see the 



Grass-of-Parnassus 

 Pasque-flower, the, 34, 306 

 Pastures, the Alpine, 28, 34, 32, 33, 



34, 93, 94 

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



253, 273, 281 

 Peach, the, 232 



Peat of the Meadows, the, 150-161 

 Pedicularis incarnata, Jacq. , 295 

 Pedicularis j'aoquini, 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, Linn,, 192, 



296 

 Phyteuma pedem^ntanum, 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 Butterworts 

 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 



