TEA 



562 



TRI 



Tragoptrum, Bieberstein. From tragos, a goat, 

 pyros, wheat. Linn. 8, Or. 3, Nat. Or. Poly- 

 gtmacece. Ornamental dwarf shrubs, thriving 

 in a mixture of peat and sandy loam ; and in- 

 creased by layers in spring. Synonymes: 1, 

 Polygonum crispulum, caucdsicum ; 2, P. fru- 

 tiscens ; 3, P. polfigamum, parvifblium. 

 buxifdlium 1 . WMte . 7, H. De. S. 1J Siberia 1800 

 lanceolatum 2 . Pink . 7, H. De. S. 2 Siberia 1778 

 polygamuni 3 . Pink . 7, H. De. S. 1$ Carolin. 1810 



TRAGORfGANUM. See Thymus Tragoriganum. 



Tragus. See CaMndula Tragus and Salsbla 

 Tragus. 



Transverselt-flexuose, waved in a cross 

 direction. 



TrApa, Linn. Abridged from calcitrapa, the 

 Latin name of an instrument called caltrops, 

 furnished with four spines, formerly used in 

 war to impede the progress of cavalry ; the 

 fruit of some of the species is furnished with 

 four spines. Linn. 4, Or. 1, Nat. Or. Ona- 

 grdceoz. Aquatic plants, requiring a rich, 

 loamy soil, and to be grown in a cistern, or 

 large pot or tub of water ; increased by seeds. 

 The large seeds of T. bispinbsa are sweet and 

 eatable ; they form an extensive article of cul- 

 tivation. In Cashmere and other parts of the 

 East, they are common food, and known under 

 the name of Singhara nuts. 



bicdmis . . . White . 7, G. Aq. A. £ China . 1790 

 bispinbsa . . . White . 7, S. Aq. A. $ E. Ind. 1822 

 natans . . . Wfc. pur. 7, H. Aq. A. | Europe 1781 

 quadrispinosa . White . 7, S. Aq. B. £ E. Ind. 1823 



Trapeziform, shaped like a trapezium. 



Traveller's jot. See Climatis Vitdlba. 



Traveller's jot. See Climatis Viorna. 



Treacle mustard. See Clypeola. 



Tree beard. See tSsnea. 



Tree celandine. See Boccdnia frutiscens. 



Tree kale, or Cesarean cow-cabbage. See 

 Brdssica. 



Tree mallow. See Lwoa&ra arbdrea. 



Tree of sadness. See Nyct&nthes arbor trlstis. 



Tree onion. See Allium prolifemm. 



Tree sorrel. See Ekmex Lwnaria. 



Trefoil. See Trifbliwm. 



TREfsiA. See Euphorbia. 



TremAndra. See Tetrath&ca. 



TremandrAC&e, or Pore-worts, are small 

 slender shrubs, something like heaths. They 

 are all natives of New Holland, and are worth 

 a place in plant collections. 



Trembling American -tree. See Populus 

 trimula. 



Tremella, Dillenius. From tremo, to tremble ; 

 in allusion to the gelatinous texture of the 

 plants. Linn. 24, Or. 9, Nat. Or. Agaricdcew. 

 Found growing on fallen branches of trees — 

 dlbida, biparasitica, cerebrina, clavaricefdrmis, 

 clavata, fimbriMa, foliacea, f. violacea, iivtu- 

 intseens, mesentirica, sarcoides. 



Trentep6hlia, Agardh. In honour of M. 

 Trentepohl, an obscure German botanist. 

 Linn. 24, Or. 7, Nat. Or. Bry&ceoz. Found 

 on rocks, on the sea-coast — aurea, a. ilicicola, 

 pulcMlla, p. chalybcea, purpurea. ■ 



TRESIA. See Muphdrbia. | 



TrevirAnia, Willdenoio. In honour of Lud. 

 Christ. Treviranus, M.D., professor of botany 

 in the university of Bonn. Linn. 14, Or. 2, 

 Nat. Or. Oesneracece. This species is extremely 

 handsome when in flower. It requires to be 

 grown in a light, rich soil, and when the blos- 

 soms have withered, the plants should not 

 have any more water till the roots begin again 

 to vegetate ; when they must be taken out of 

 the pots and divided. After they are potted, 

 they require moisture and heat to make them 

 grow and flower in perfection. Synonymes : 1, 

 Cyrilla pulcMlla. T. coccinea. See Achim&nes. 

 pulchella 1 . . Scarlet 8, 8. Her. P. 1J Jamaica 1778 



Trevoa, Hooker. Trevo, the name of a Spanish 

 botanist. Linn. 5, Or. 1, Nat. Or. Bhamna- 

 cece. Interesting plants, thriving in sandy 

 loam and peat ; and increased by young cut- 

 tings, in sand, under a glass, 

 quinquenervia . White . 6, G. Ev. S. 4 Chile . 1827 

 trmervis . . Grn.yel . 6, G. Ev. S. 3 Chile . 1828 



Trewia, Linn. In honour of C. J. Trew, of 

 Nuremberg, a botanical author. Linn. 22, Or. 

 12, Nat., Or. Euphorbidceas. This species suc- 

 ceeds well in sandy loam and peat ; and is 

 readily increased by cuttings, in sand, under a 

 glass, in heat. Synonyme : 1. T. macrophglla. 

 nudifldra 1 . . Pink . 5, S. Ev. S. 5 E. Ind. 1796 



Triandrous, having three stamens. 



TriAnthema, Linn. From treis, three, and • 

 anthos, a flower; flowers usually disposed in 

 threes. Linn. 1 0, Or. 2, Nat. Or. Portulacdcem. 

 Plants of little interest. Any common garden 

 soil suits them ; increase is by seeds, 

 dec&idra . . Green . 7, S. A. 1} E. Ind. 1824 



monog^na . . Pur. gn. 7, S. A. l| Jmaica. 1820 



pentandra . . Green . 7, G. Ev. Tr. 1 Arabia. 1820 

 obcordata . Green . 7, S. Ev. Tr. % E. Ind. 1816 



TRlASj-CwwZfa/. From trios, growing in threes ; 

 the floral envelopes are so arranged. Linn. 20, 

 Or. 1, Nat. Or. Orchidacece. Small plants, 

 growing best when treated as the Burling- 

 tdnice. 



oblonga . . Gm. yel. . 4, S. Epi. £ E. Ind. . 1837 

 racembaa . . Grn. yel. . 4, S. Epi. J E. Ind. . 1837 



Tribrachia. See Bolbophfllum. 

 TRfBULUS, Linn. From treis, three, and hallo, 

 to project ; each carpel is armed with three, 

 and sometimes four prickly points. Linn. 10, 

 Or. 1, Nat. Or. Zygophylldcece. The annual 

 species of this genus may be sown on a mode- 

 rate hotbed, in spring ; and the young plants, 

 when of sufficient size, planted in a sheltered 

 situation in the open border. T. cistoides suc- 

 ceeds best in a mixture of loam and peat, and 

 may either be increased by cuttings or seeds, 

 albus . . . White . 6, S. A. J Guinea . 1826 



cistoides . . Yellow . 7, S. Ev. Tr. 1 S. Amer. 17S2 

 lanugindsus. Yellow . 6, G. Tr. A. i E. Ind. 1822 



7, S. Ev. Tr. " 



6, S. Tr. A. 



6, G. Tr. A. 



6, H. Tr. A. 



6. G. Tr. A. 



littoralis . . Yellow 



xnaximus . Yellow 



subinermis . Yellow 



terrestris . Yellow 



trrjugatus . Yellow 



TR1CERAT1A. See Lacepedia. 

 TRfCEROS. See Lacepedia. 

 TrichJxa, Link. From treis, three, and chcete, 

 a bristle. Linn. 3, Or. 2, Nat. Or. Grami- 



i N. Hoi. ]821 

 li Jamaica 1728 

 i Thibet . 1820 

 I S. Eur. 1596 

 l Georgia 1819 



