_Banksia serrata_, Heath Honeysuckle. Australia. Specimen examined contained 11 per cent. tannin; according to Maiden it reaches 23 per cent. _Banksia integrifolia._ Queensland. Bark contains 11 per cent. tannin. _Grevillia striata._ Australia. Bark contains 18 per cent. tannin. _Leucospermum conocarpum. Kruppelboom._ Knotted Tree. Cape of Good Hope. Said by de Lof to contain 22 per cent. of tannin; but a specimen examined by the Author yielded 10·9 per cent. on analysis. _Protea mellifera._ Sugarbush. _Suikerbosch._ Cape of Good Hope. Contains 25 per cent. tannin, according to de Lof; but Palmer found 18·8 per cent. _Protea grandiflora. Waagenboom._ Cape. Contains 25 per cent. tannin (de Lof); 15·9 per cent. (Palmer); 15·6 per cent. (Procter). _Protea speciosa._ Cape of Good Hope. _Leucadendron argenteum_, Silver Tree, _Silverboom_, _Witteboom_ Cape of Good Hope. Bark said to contain 16 per cent. tannin (de Lof); a specimen examined by the Author yielded 9·2 per cent. _Brabium stellatifolium_, _Wilde Amandelboom_, Wild Almond. PLUMBAGINÆ. _Plumbago Europea_, Leadwort. Fr. _Dentelaire_. A garden plant in England, native in France; contains much tannin, especially in the root-bark. _Statice coriaria_, Marsh Rosemary. South of Russia. Roots up to 3 metres long and 2-12 cm. thick; used by Kalmucks for tanning sheep-skins; contain 22 per cent. of tannin (de Lof). _Statice limonum_, Sea Lavender. Coasts and salt marshes of Europe and America. Richer in tannin than _S. coriaria_; used in France, Spain and Portugal. Several other species contain tannin. These plants are allied to “Thrift” (_Armeria_). MALPIGHIACEÆ. _Byrsonima spicata_, Antilles, “Tamwood.” _Byrsonima coriacea_, Jamaica, “Golden Spoon.” _Byrsonima chrysophylla_, etc. _Malpighia punicifolia_, Nicaragua, “Nancite”; “Mangrutta.” Bark contains 20-30 per cent. of light-coloured tannin. POLYGALACEÆ, Milkwort Family. _Krameria triandria_, Rhatany, Peru. The root is used in medicine, and is stated to contain 40 per cent. of tannin. Wittstein found only 20 per cent. of an iron-greening catechol-phloroglucol tannin allied to tormentil tannin, in the root-bark, the only active part of root. ANACARDIACEÆ.