Naturalisation in Extra-Tropical Countries. 527 



Terminalia Chebula, Retzius. 



On the drier mountains of India, ascending to 5,000 feet, thence 

 to Upper Persia A tree, rising to about 100 feet. The seeds are 

 of hazel-taste ; the galls of the leaves and also the young fruits, the 

 latter known as Myrobalans, serve for superior dye and powerful 

 tanning material. Some of its congeners answer the same purpose, 

 among them T. Belerica (Roxburgh), which extends to Persia. 



Terminalia tomentosa, Wight and Arnott. 



India, ascending to 4,000 feet. A tree, attaining to 100 feet 

 height, of easy dissemination. Important for rearing particular 

 silkworms [Dr. Schlich]. 



Tetragonia expansa, Murray. 



The New Zealand Spinach, occurring also on many places of the 

 coast and in the desert-interior of Australia. Known further from 

 New Caledonia, China, Japan and Valdivia. An annual herb, use- 

 ful as a culinary vegetable, also for binding drift-sand. It produces 

 its succulent branches and leaves even in the hottest weather and 

 driest localities [Rhind]. Rapid in growth. The seeds will keep 

 fully five years [Vilmorin]. 



Tetragonia implexicoma, J. Hooker. 



Extra-tropical Australia, New Zealand, Chatham-Island. A 

 frutescent, widely expanding plant, forming often large natural 

 festoons, or trailing and climbing over rocks and sands, never far 

 away from the coast. As a spinach-plant it is of not less value than 

 the preceding species. It is well adapted for the formation of bowers 

 even in arid places ; it also helps to bind sand. T. trigyna (Banks 

 and Solander) seems identical. 



Teucrium Marum, Lhme. 



Countries on the Mediterranean Sea. A small, somewhat shrubby 

 plant, in use for the sake of its scent, containing a peculiar stearop- 

 ten. T. Scordium, from Europe and Middle Asia, T. Chamaedrys, 

 T. Polium and T. Creticum, L., from South-Europe, are occasionally 

 drawn into medical use. All these, together with many other species 

 from various countries, are pleasantly odorous, and frequented by 

 bees. 



Thamnocalamus Falconer!, J. Hooker. 



Himalaya, ascending to 8,000 feet. One of the hardiest of all 

 bamboos, with its ally, T. spathiflorus, Munro. Neither of them 

 tall. 



