XIMENIA 
643 
Strobilantb.es : add Many sp. occur gregariously in vast masses in the 
undergrowth of mountain forests in S. As., usually flowering simul- 
taneously over large areas and then dying. 
Stylidium Lour. (Mar lea Roxb.). Comaceae. 10 sp. As., Afr., Austr. 
Suriana Plum, ex L. Simarubaceae. 1 sp., S. maritima L., on trop. 
coasts. 
Tamonea: for Melastomaceae, &c. raz</=Miconia Ruiz, et Pav. 
Terniola Tul. = Lawia Tul. 
Theophrastaceae. Dicotyledons (Sympetalae, Primulales). The first 
sub-order of Myrsinaceae, now raised to ordinal rank by Engler. 
Thuarea Pers. Gramineae (v). 1 sp., T. sar?nentosa Pers. on Indo- 
mal. coasts. 
Thurniaceae. Only genus Thurnia (2 sp. Brit. Guiana) sometimes 
placed in Juncaceae, now placed by Engler in a separate order in 
Monocotyledons (Farinosae). 
Trapella Oliv. Pedaliaceae. 2 sp. China, Japan. 
Tristania R. Br. Myrtaceae (11. 2). 20 sp. Mai., N. Caled., Austr. 
Tristicha Thou. Podostemaceae. 3 sp. trop. The least peculiar of 
this order, with the habit of an “ordinary ” water plant (p. 158). 
Triuridales. The 3rd cohort of Monocotyledons (p. 125). 
Tumboa Welw. = Welwitschia Hook. f. T. Bainesii Welw. = W. mira- 
bilis. 
Turpinia Vent. Staphyleaceae. 20 sp. trop. 
Tydaea Dene. = Isoloma Dene. 
Uncaria: add U. Gambler Roxb. (gambir) is a valuable source of tan 
in the Straits Settlements (Kew Bull . 1889, p. 247). 
Urceola Roxb. Apocynaceae (11. 4). 8 sp. Malaya. U.elastica Roxb. 
yields caoutchouc. 
Vallota Herb. Amaryllidaceae (1). 1 sp. S. Afr. 
Vangueria Juss. Rubiaceae (11. 11). 30 sp. trop. Afr. and As. 
Verschaffeltia H. Wendl. Palmae (iv. 6). 1 sp. Seychelles. 
Verticillatae. The 1st cohort of Archichlamydeae (p. 126). 
Villebrunea Gaudich. Urticaceae (3). 8 sp. Ceylon to Japan, V. in- 
tegrifolia Gaudich. yields a good fibre. 
Wikstroemia Endl. Thymelaeaceae. 20 sp. As., Polynesia. 
Willughbeia: add IV. firma Blume (Borneo) yields rubber. 
Wissadula Medic. Malvaceae (11). 10 sp. Am., r trop. Afr. and As. 
Withania Pauq. Solanaceae (11). 5 sp. palaeotrop. and subtrop. 
Wormia : add several sp. show bud-protection by sheathing petioles. 
Ximenia Plum. Olacaceae. 5 sp. trop. 
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