254 



Pistacia Lentiscitst, L. Anacardiaceje. Exudation of stom : 



Masticli. 

 Pistacia Terehintlms, L. Exudation of stem : turpentine of Cliios. 

 Pisum sativum, L. Leguminosse. Unripe fruit,: Inosit; 



Cholestearin. 

 Plttosjwrum tmrhdatum, Vent. Pittosporese. Flower : volatile 



oil. — Bark: Pittosporin; Viscin. 

 Plantago decumhens, Forsk. Plantaginse. Seed : mucilage. 

 Platanus orientalis, L. Plataneae. Bark: Plilobaphen. 

 Plumbago Europcea, L. Plumlmginae. Root: Plumbagin. 

 Podophyllum peltatrmn,\j. Berberidete. Root: Berberin; Saponin. 

 Polygala Senega, L. Polygalece. Root : Saponin. 

 Polygonum aviculare, L. ; P. barbatiwi, L, ; P. Chinense, L. ; 



P. tinctoriimn, Lour. Polygoneae. Whole plant : Indigo. 

 Polygonum Hydroplper, L. Whole plant : Polygonic acid ; volatile 



acrid principle. 

 Polylophium Galbanum, F. v. M. Umbelliferse, Exudation of 



stem and root : Galbanum with volatile oil. 

 Polypodium vulgare, L. Filices. Root : Glycyrrhizin and Saponin 



or allied substances. 

 Polyporus officinalis. Fries. Fungi. Laricin ; Agaric acid. 

 Popidus, several species. Amentaceoe. Whole plant : Populin ; 



Salicin. — Leaf buds : volatile oil. 

 Potentilla Tormentilla, Sibth. Rosacea. Root : Ellagic acid. 

 Primida aiiricida, L. Primulacece. Root : Auricula stearopten. 



,, veHs, L. Root : PrimulinnCyclamin. 

 Prostanthera lasianthos, Labill.; P. rotundifolia, R. Br. La- 



biatse. Leaf: volatile oil. 

 Prunus Amygdalus, J. Hk. Rosacese. Seed : Amygdalin ; 



Emulsin ; Synaptase; fat-oil. 

 Prunus Cerasus, L. Seed: Amygdalin. — Exudation of stem : gum. 

 „ domestica,lj. Seed : Amygdalin. — Exudation of stem: gum. 

 „ Laurocerasiis, L. Leaf and seed : Amygdalin. 

 ,, Mahaleb, L. Bark: Cumarin. 

 „ Padus, L. Leaf, flower, bark, seed: Amygdalin. 

 „ Pers^c«, J. Hook. Leaf and seed: Amygdalin. Exudation 



of stem : gum. 

 Prunus spinosa, L. Flower, seed : Amygdalin. 



„ Virginiana, L. Bark: Amygdalin. 

 Psychotria emetica, Mutis. Rubiaceffi. Root: Emetin. 

 Pterocarpus Draco, L. Leguminosre. Exudation of stem : Dragon's 



blood. 

 Pterocarjms erinaceus, Poii-et. Exudation of stem : West African 



Kino. 

 Pterocarpus 3farsupinm, Rxb. Exudation of stem (Malabar and 



Amboina-Kino) : Catechiiic and Kino-tannic acids. 

 Pterocarpus santalinus, L. fil. Wood : San talin ; Santal, 



