TOU 



561 



TRA 



laurif&lia . . Tel. wht. 7, 8. Bv. S. 6 S. Amer. 

 macul&ta.. . Yellow . 6, S. Br. 8. 3 Carthag. 1828 



m °4nC SU " } YeUow • 6 ' H ' R 2 S - FraI100 WU 



mutSbilia' . Gnsh.wt. 7, G. Bv. S. 8 Java . . 1820 

 scabra. . . Wit red 8, 8. Ev. S. 4 SDomin. 1700 

 Bibirica 4 '. .White . 8, F. Her. P. 4 Siberia . 1780 

 suffruticbsa . White . 8, S 8. 3 Jamaica . 1759 



umbellata 3 . White . 6, G. Ev. 8. 2 Mexico . 1826 



Tourrettia, Dombey. In honour of Marc An- 

 toine Louis Claret de la Tourrette, a friend of 

 Rousseau, author of some botanical works. 

 I/inn. 14, Or. 2, Nat. Or. Bignoniacece. The 

 seed should be sown on a hotbed, early in 

 spring, and when the young plants are suffi- 

 ciently strong, they may be planted in light 

 soil, against a wall or pillar. Synonyme : 1, 



, Ddmbeya lappacea. 



lappacea 1 . Bo. grn. 7, H. CI. A. 6 Peru . . 1788 



TovomIta. See MicrantMra. 



Tower mustard. See T&rritis. 



Tower mustard. See Arabis Turrita. 



Toxicodendron. See SMts Toxicodendron and 

 tfycendnche globbsa. 



T6za. See Qu4rcus pyrenaica. 



Trachelitjm, Linn. From trachelos, the neck ; 

 from its supposed efficacy in diseases of the 

 Trachea: hence the English name of the 

 genus, Throatwort. Linn. 5, Or. 1, Nat. Or. 

 Campanulacece. This genus is very showy 

 when in flower. It thrives best in light soil, 

 against a south wall ; and is easily increased 

 by seeds, or by cuttings, planted under a glass, 

 in spring. 



coeruleum . Blue . 8, H. Her. P. 1£ Italy . 1640 

 diffusum . . Blue . 7, G. Her. P. I C. G. H. 1787 



Trachymene, Budge. From trachys, rough, 

 and hymen, a membrane ; channels of the 

 fruit. Linn. 5, Or. 2, Nat. Or. Apiacece. All 

 the species will succeed well in a mixture of 

 loam and sandy peat; and they may be in- 

 creased by young cuttings, in the same kind of 

 soil, under a glass, or by seeds. T. cojrHlea 

 is raised from seed, sown on a gentle hotbed ; 

 and afterwards treated like other greenhouse 

 plants. Synonyme : 1, LHdiscus cceriileus. 

 albida . . . Brt. cream 7, G. A. 1} N. Hoi. 1838 

 cLruleal .Blue . . 7, G. A. li N Hoi. 1827 

 eieantea . . 7, S. Bv. 8. 3 N. Hoi. 



taclsa . . -7, G. Ev. S. li N. Hoi. 1819 



lanceolata . White . . 7, G. Ev. S. 2 N. Hoi. 1829 

 linearis . . Yellow . . 7, G. Ev. S. li N. Hoi. 1824 



Trachyspermum, Link. From trachys, rough, 

 and sperma, a seed ; in reference to the muri- 

 cated fruit. Linn. 5, Or. 2, Nat. Or. Apiacew. 

 An uninteresting plant, of very simple culture, 

 and increased by seeds. Synonymes: 1, Bu- 

 niwm rigens, Cdnium rigens — rlgens 1. 



Trachystemon. See Borago. 



Trachyt^lla, Be Gandolle. From trachytes, 

 roughness ; because the leaves, which have a 

 very rough surface, are used for polishing 

 wood, and also metal. Linn. 13, Or. 5, Nat. 

 Or. Dillenihcece. This species succeeds well 

 in a mixture of peat and loam, and ripened 

 cuttings root freely in sand, under a glass, 

 actfca . . White . . 6, G. Bv. 01. 5 China . 1823 



Tradescantia, Linn. In honour of John Tra- 

 descant, gardener to Charles I. Linn. 6, Or. 



1, Nat. Or. Comtnelynacece. Interesting plants, 

 succeeding well in any rich, light soil ; and 

 . readily increased by division. Synonymes : 1, 

 T. multifldraj 2, Cyandtis vitthta. See Cam- 

 pilia and Cyandtis. 



caricif61ia . Blue . 8, H. Her. P. 1} Texas . 1835 

 congesta . . Blue . 8, H. Her. P. lj N.Ame. 1826 

 cordifdlia . Blue . 6, S. Ev. Cr. i Jamaica 1819 

 crassiftlia . Blue . S, F. Her. P. 2 Mexico 1796 

 crassula . . White . 7, S. Her. P. li Brazil . 1825 

 discolor . . Blue . 6, S. Her. P. 1 S. Ame. 1783 

 variegsita . Purple . 6, 8. Her. P. li Mexico 185T 

 diuretica . . Blue . 6, 8. Her. P. \ Brazil . 1825 

 divaric&ta .'Blue . 6,8. Her. P. \ Trinid. 1S18 

 er«cta . . . Blue . 7, H. A. li Mexico 1794 



fuscata . .Blue . 9,8. Her. P. i S. Ame. 1820 

 geniculata .Blue . 7,8. Her. P. 1 W. Ind. 1783 

 irid&cens . Purple . 6, G. Her. P. 1 Mexico 1838 

 latifdlia . . Blue . 10, H. A. li Lima . 1816 



malabarioa . Purple . 7, 8. Her. P. 1 E. Ind. 1776 

 Martensiana. Blue . 8, G. Her. P. li 

 multifldra . Blue . 6, 8. Her. P. i Jmaica. 1820 

 paniculata . Blue . 8, G. B. 1 E. Ind. 1816 



parvifldra . Blue . 8, S. Her. P. 1 Peru . 1822 

 pilosa . . . Purple . 7, H. Her. P. 2 Louisia. 1832 

 prootlmbensl Blue . 6,8. Ev. Tr. i Trinid. 1824 

 pulchella . . Blue . 7, G. Ev. Tr. 1 Mexico 1825 

 rdsea . . . Pink . 6, H. Her. P. 1 Carolin. 1802 

 specidsa . . Blue . 7, 8. Her. P. 1 Mexico 1825 

 spicata . . Purple . 7, 8. Her. P. li Mexico 

 subaspera . Purple . 6, H. Her. P. 1 N.Ame. 1812 

 tuberbsa . . Blue . 7, 8. Tu. P. 1 E Ind. 1817 

 tilmida . . Bed . 9, G. Her. P. 1 Mexico 1840 

 undata . . Blue . 6, 8. Her. P. 1 Trinid. 1819 

 velutina . . Violet . S, 8. Her. P. li Guatm. 1850 

 virginica . . Blue . 7, H. Her. P. 1 N.Ame. 1629 

 alba . . . White . 7, H. Her. P. 1 N.Ame. 1629 

 cierulea-albaBlue wt. 7, H. Her. P. 1 N.Ame. 1629 

 pilbsa . . White . 7, H. Her. P. 1 N.Ame. 1629 

 plena . . Blue . 7, H. Her. P. 1 N.Ame. 1629 

 rubra . . Bed . 7, H. Her. P. 1 N.Amo. 1629 



W zSna Wl ' ! " 1 C 1 ™^ 111 "- 7 > s - Her - P - X Guatm. 1859 

 zebrlna 2 . Blue wt. 7, 8. Her. P. 1 8. Ame. 



TragacXntha. See Astrdgalus Tragacdntha 

 and StercHlia Tragacdntha. 



TrAGIA, Plumier. In honour of Jerome Bock, 

 generally called Tragus, a German botanist. 

 Linn. 21, Or. 3, Nat. Or. Huphorbidcece. 

 Chiefly stove annuals, and uninteresting — 

 canndbina, corniculata, infista, involucrhta, 

 Mercurialis, pedimculata, urens, urticcefdlia, 

 voltibilis. 



TrAGIUM. See Pimpinilla and Ledeburia, 



Tragop6gon, Linn. From tragos, a goat, and 

 pogon, a beard ; in allusion to the long silky 

 beard of the seeds. Linn. 19, Or. 1, Nat. Or. 

 Asteracece. Ornamental plants, succeeding in 

 common garden soil. T. porrifolius is the 

 Salsafy of gardens ; it is sown and treated in 

 the same manner as carrots ; the flavour of the 

 root is mild and sweetish. Synonymes : 1, T. 

 parviflorus ; 2, T. livescens; 3, T. ruber. 



^liu^f 6 " } Pur P le ■' r ' H - B - * lui ? - 182S 



campestris . Yellow . 6, H. 



canus . . . Yellow . 7, H. 



crocifblius . Purple . 6, H. 



dubius 2 . .Pa. yel. . 5, H. 



floccosus . . Yellow . 5, H, 



major . . . Yellow . 5, H. 



mutabilis . Pale . . 5, H. 



orientalis . Yellow . 6, H. 



porrifblius . Purple . 5, H. 



prateneis . . Yellow . 5, H. 



pusillus . . Yellow . 6, H. 



rdseus 3 . . Bed . . 5, H. 



undulatus . Wht. yel. 5, H. 



villosus . . Pur. yel. 5, H. 



B. 3 Podolia 1819 



B. J Hungry. 1824 



B. 1 Italy . 1739 



B. 3 Podolia 1818 



B. 2 Hungry. 1816 



B. 5 Austria. 1788 



B. 3 Siberia . 1816 



B. 2 Levant . 1787 



B. 3 Eng., mead. 

 B. 2 Brit., past. 

 B. i Iberia . 1820 

 B. li Siberia . 1826 

 B. 2 Crimea . 1790 

 B. 8 Spain . 1794 

 O 



