INDEX 



Vll 



Nutmeg, see Myristica. 

 Nymphsea, 280; seed, 251-2. 

 Nymphaeaceae, 279. 







OAT, see Avena. 



Oblong' M leaves, 141. 



Ocimum, 366. 



Odd-pinnate leaves, 46. 



Oil, in seeds, 65, 253. 



Oldenlandia, *332. 



Onion, bulb, 117; germination, 



57. 

 Opuntia, 73 ; morphology of, 



181. 



Orange, see Citrus. 

 Orchids, Orchideae, 400. 

 Ortho, of seeds, 249. 

 Oryza, 412. 

 Osbeckia, 328. 

 Ovary, ch. xxi, 227. 

 Ovule and seed, 248. 

 Oxalis, 301. 

 Oxygen, 23, 32-3. 



PADDY, see Oryza. 



Pagoda tree, see Plumeria. 



Palea, inner scale of grass- 

 flower, 409. 



Palmeae the Palms, 388 ; germi- 

 nation, 59 ; p. -type, 72 ; Co- 

 co-nut, see Cocos ; Palmyra, 

 see Borassus. 



Palmate venation, 153 ; p.-ly. 

 compound leaves, 149 ; p.-ly, 

 trifoliate, 44. 



Pancratium, 117, 383. 



Pandanus, roots, * 12, 125. 



Panicle, *66, 196. 



Panicum, 411. 



Papaver fruit, 230. 



PapiHonaceae, 315, 323. 



Pappaw fruit, 230. 



Pappus, 260-1, 338. 



Papyrus, sec Cyperus. 



Parasites and semi-p., 130. 



Parenchyma, 87. 



Parietal placentation, 226. 



Paripinnate of leaves, 46. 



Parkia, 322. 



Passiflora = the Passion flower. 



Pedicel, Peduncle, 188. 



Peepul, see Ficus religiosa Roxb. 



Pelargonium, 303. 



Pemphis, 331. 



Pendulous ovules and seeds, 250. 



Pennisetum, 412. 



Pepper, sec Piper ; P. mint, see 

 Mentha. 



Perennial, 72-3. 



Perianth, 385. 



Pericarp, 244. 



Perigynous, 209. 



Perisperm, 252. 



Periwinkle, see Vinca. 



Petiole, see Leaf-stalk. 



Phaseolus, 317, 415, *52-4. 



Phellogen, 81. 



Philodendron, 395, 108, 126. 



Phloem, 87. 



Phoenix, 393, 134. 



Phosphates, 22-3; phosphorus, 

 21. 



Photosynthesis, 31. 



Phylanthus Niruri, *42. 



Phyllode, a petiole developed 

 like a leaf-blade, "'184. 



Physalis, calyx of, 209. 



Picris, 337. 



Pinna, 44 ; pinnate leaves, 46 ; 

 p. venation, 153. 



Piper, 87. 



Pitcher plant, see Nepenthes. 



Pithecolobium (=Inga); P. 

 dulce the Korukapuli, 49; leaf 

 scars on old stems, 83 ; mor- 

 phology of spines, etc., 174; 

 P. saman the Rain tree, 321 ; 

 roots, 124 ; sleep of leaves, 167. 



* Denotes a figure, 



