256 



Ricinus communis, L. Euphoi'biaceee. Seed : Ricinin ; fat-oil 

 witli Isocetic and Ricinöleic acids. 



Robinia Fseudacacia, L. Leguminosse. Flowei' : Robinin. — Un- 

 ripe fruit : Inosit. 



Roccella fuciformis, Ach. Liclienes. Roccellic and Erythiic acids. 

 „ tinctoria, Cand. Roccellinin. 



Roccella, several species. Lecanoric acid; Orcin. 



Rosa centifolia, L. ; R. Damascena, Mill. ; R. moschata, Mill. ; R. 

 Indica, L.; R. sempervirens, L. Rosacese. Flower; volatile oil. 



Rosmarinus officinalis, L. Labiatse. Leaf and flower: volatile oil. 



Rubia tinctm'um, L. RubiacesB. Herb : Riibichloiic and Rubi- 

 tannic acids. — Root : Chlorogenin ; Xanthin ; Alizarin ; Pur- 

 purin; Ruberytliric acid; Rubiacin ; Rubian ; Rubii'etin ; 

 Verantin ; Eiythrozym ; Rnbichloric acid. 



Ruhus Idoius, L. Rosacete. Fruit : Raspberry-stearopten. 



Rumex, many species. Polygoneae. Root : Chrysophanic acid. 



Ruta graveolens, L. Rutacete. Whole plant : volatile oil ; Rutin. 



Saccliarum offidmirum, L. Gi-amineee. Stalk : Cane-sugar ; 

 Cerosin. 



Salix, many species. Amentaceaj. Whole plant: Salicin. 



Salvia officinalis, L. Labiataj. Whole plant: volatile oil. 



Samadera Indica, (Isertn. Simarubete. Bark : Samaderin. 



Samhucus nigra, L. Caprifoliacea?. Flower : volatile oil. 



Sangimuiria Canadensis, L. Papaveracete. Whole plant: 

 Chelerythrin. — Root: Porphyroxin; Puccin. 



Sajihidus Saponaria, L. Sapindaceae. Fruit: Saponin; Formic 

 and Butyric acids. 



Sapmiaria officinalis, L. Caryophylleae. Herb and root: 

 Saponin. 



Sassafras officinale, Hayne. Laurace«. Root : volatile oil. 



Scabiosa succisa, L. Dipsacese. Root : green acid. 



Schoinocaidon officinale, A. Gray. Liliaceae. Seed: Sabadillin; 

 Veratrin ; Sabadillic and Yeratric acids. 



Scropkularia aquatica, L.; *S'. nodosa, L. Scrophularinete. Whole 

 plant : Scrophularin. 



Sedum acre, Jj. Saxifragese. Whole plant: Ru.tin. 



Semecarpus Anacardium, L. til. and other species. Ajiacar- 

 diacepe. Pericarp: Cardol. 



Sempervivum tectorum, L. Saxifragese. Leaf: Formic acid. 



Sesamum Indicum, L. Pedalinere. Seed : fat-oil. 



Sideroxylon attenuatum, A. DC. Sapotacete. Yields part of the 

 Indian and also Philippine gutta-percha. 



Sideroxjjlon Muelleri , 3 . Hook. Exudation of stem: Batata. 



Simaha Cedron, Planch. Simarubeae. Fruit: Cedrin. 



Simao'idja amara, Aubl. Simarubeas. Wood, bark : Quassiin. 



Sindora, several species. Leguminosae. Balsam of Sindor (also 

 obtained from species of Dipterocarpus). 



