252 



N'erium Oleander, L. Apocynese. Flower : Salicylous acid. — 



Foliage and branches : Oleandrin ; Pseudocurarin. 

 Nicotiana, many species, Solanaceee. Whole plant: Nicotin; 



Nicotianin. 

 Nicotiana Tabacum, L. Seed : fat-oil, 



Nigella sativa, L. Ranunculaceae. Seed : Nigellin ; volatile oil. 

 Nigritella anyustifolia, Rich. Orchidete. Whole plant : Cumarin. 

 Ocimum Basilicum, L. Labiat?e. Whole plant : Basilicum- 



stearopten. 

 Ocotea Plc]hU7-im, 'Kwwih.. Lauracese. Fruit: fat- oil with Lauro- 



stearin and Laurie acid, 

 Oenanthe PJiellandrimn, Lam. TJmbelliferae. Seed : volatile oil, 

 Olea Euroj)cm, L. Oleacese. Whole plant: Olivamarin. — Fruit; 



fat-oil. — Exudation of stem: Olivil. 

 Ononis spinosa, L. Leguminosfe. Root: Ononid; Onocerin, 

 Ophelia Clbirata, Griseb. 'Gentianege, Whole plant: Chii'atin; 



Ophelic acid. 

 Opopanax Chlronium, Koch, TJmbelliferse, Exudation of stalk 



and root : Opopanax, 

 Orchis, many species, Orchidese, Tuber: Mucilage. 



„ hircina, Sw, Flower : Caproic acid. 



„ purpurea, Huds. Whole plant: Cumarin. 

 Origanu7)i Majorana, L. Labiate«. Whole plant : volatile oil, 



,, vulgare, L. Whole plant: volatile oil. 

 Osmitopsis aster iscoides, Cass. Compositse. Flower : volatile oil. 

 Othonna furcata, Benth. Compositpe. Exudation of stem: 



Ceradia-resin. 

 Papaver Rhoias, L. Papaveracese. Whole plant: Morphin; 



Rhoeadin and probably also Thebain. 

 Papaver somniferum, L, Seed: drying oil. — Exudation of peri- 

 carp: Codein; Metamorphin; Morphin; Narcein; Narcotin; 



Opianin; Papaverin; Porphyroxin; Pseudo-morphin ; Thebain; 



Ltuithopin; Meconidin; Codamin; Laudanin; Meconin; 



Meconic acid. 

 Paris quadrifolia, L. Liliacese. Whole plant : Paridin. 

 Pannelia parietina. Ach, Eichenes. Chrysophanic acid. 

 „ many species. Lichenin; Usnic acid. 

 „ physodes, Ach. Physodin; Ceratophyllin. 

 Pastinaca sativa, L. Umbelliferse. Fruit : Capryl-butyrate. 

 Paullinia sorhilis, Mart. Sapindacese. Fruit : Coffein, 

 Payena macrophylla, Benth, Sapotaceae. Yields part of the 



Java gutta-percha, 

 Peganum Harmala, L. Rutacese. Seed : Harmalin ; Harmin. 

 Pelargmiitim odoratissimum, Ait.; P. Radula, Ait.; P. capitat^mi, 



Ait. Geraniacese. Leaf and flower: Pelargonie acid; volatile 



oil. 

 Peltophorum Linwd, Bth. Leguminosoe. Wood: Brasilin. 



