THA 



554 



THE 



about two feet beneath the surface of the 



water. 



dealbata . . Blue . 7, F. Aq. P. 4 8. Carolina 1791 



geniculate . Blue . 8, 8. Her. P. 3 W. Ind. . 1S23 



THALfoTBTTM, Linn. From thallo, to grow 

 green ; in allusion to the bright colour of the 

 young shoots. Linn. 13, Or. 6, Nat. Or. 

 Manunculacece. The greater part of the species 

 are hardy herbaceous plants, adapted for the 

 back of flower borders ; any light soil suits 

 them, and they are readily increased by divi- 

 sion. Syrwnymes: 1, Anemone thalictroides ; 

 2, T. rugbsum ; 3, T. minus; 4, T. cory- 

 nellum ; 5, T. revolution ; 6, T. amblguum ; 

 7, T. vaginMum; 8, T. styloldeum ; 9, T. 

 specibsum; 10, T. diffusum; 11, T. acumina- 

 tum; 12, T. discolor. 



acutildbum . Pa. yel. . 6, H. Her. P. U Siberia. 1820 

 alplnum . . Wit. yel. 6, H. Her. P. .', Brit., bogs. 



^dea? 01 .' ] Grn - y eL *> H - Tw - P - * 1 ?- Ame - 1768 

 flare-pleno . Grn. yel. 4, H. Tw. P. J NAme. 1768 



al Uum '*" f Pa ' yeL ■ 6> H - Her - P - 2 Grmn y- 1793 

 apiculatuin . Tel. . . 6, H. Her. P. 1 . 1S3S 



appendicu- i Te] _ . 6, H. Her. P. 2 Russia . 1832 

 latum . ) 



^lijrm^ 6 " l Li - pUr ■ 6 ' H - Her - P - 2 Austria mi 



atropur- j Dk „ H Her p 2 Austria 1731 



pureum I 



formdsum . Purple . 6, H. Her. P. 2 S. Bur. 1800 

 calabrioum . Tel. . 7, H. Her. P. 3 Sicily . 1800 

 carolinia- 1-flrhitj, 6 Hi Her . p. i N.Ame. 1818 



num 2 . \ ' 



Chelid6nii . Purplish 6, H. Her. P. 2 Nepal . 1828 

 cinereum. .Tel. . . 6, H. Her. P. 2 .1810 



clavatum. . "White . 6, H. Her. P. 2 ST. Ame. 1720 

 colllnum 3 . Pa. yel. . 6, H. Her. P. 1$ Europe 1800 

 concinnum . Wht.grn. 6, H. Her. P. 3 

 oont6rtum . White . 6, H. Her. P. 2 Siberia 1796 

 Comuti 4 . Wht. yel. 5, H. Her. P. 3 N. Ame. 1808 



revoliltum 5 Lgt. yel. 6, H. Her. P. 1J N. Ame. 1806 

 orenatum . TeL . . 7, H. Her. P. 5 Europe 1800 

 cultratum . Gm. yel. 6, H. Her. P. 1 Himaly. 

 cynapifdlium Pur. yel. 6, H. Her. P. 2 Siberia 1823 

 dioloum . . Li. yel. . 6, H. Her. P. 1 N. Ame. 1759 

 divaricatum. Yelsh. . 6, H. Her. P. 14 Europe 1819 

 divergens . Yel. . . 6, H. Her. P. 2 Siberia 1819 

 elatum . . Li. yel. . 8, H. Her. P. 3 Hngry. 1794 



anibiguum6 Pa. yel. . 6, H. Her. P. 2 Switzrl. 1819 

 exaltatum . Tel. . . 6, H. Her. P. 1 Siberia 1832 

 flavum . . Orange . 6, H. Her. P. 3 Brit., mead. 



vaginatum7 Tel. . . 6, H. Her. P. 2 Siberia 1810 

 flexudsum . Tel. . . 6, H. Her. P. li Germy. 1820 

 fdetidum 8 . Wht. yel. 6, H. Her. P. | France . 1640 

 foliolosum . Pur. yel. 6, H. Her. P. 2 Nepal . 1819 

 galioldes . . Tel. . . 6, H Her. P. 1 Alsace . 1816 

 glaucescens . Grn. yel. 6, H. Her. P. 2 Russia . 1818 

 glaucum 9 . Tel. . . 6, H. Her. P. 4 Spain . 1798 



l3 lium tUf6 'l' Tel - ■ • 6 * H ' H6r - R 3 Eur0 P e 181 ° 



liicidum 10 . Tel. . . 6, H Her. P. 2 Spain . 1789 



m&jus . . . Grn. yel. 6, H. Her. P. 8 Eng., thkts. 



medium 11 . Grn. yel. 7, H. Her. P. 1J Hungy. 1789 



mexicanum . Green . 8, H. Her. P. 1 Mexico 1826 



microcarpon. Grn. yel. 6, H. Her. P. 1 Russia . 1832 



minus . . Pa. yel. . 6, H. Her. P. 1 Brit , past, 



nigricans . Grn. yel. 6, H. Her. P. 2 Austria 1798 



nutans 12 . Grn. yel. 6, H. Her. P. 3 Switzrl. 1819 



oligosper- 1 p L 6 H Her p_ 2 grtreria 1820 



mum .1 J ' 



petaloideum Wht. yel. 6, H. Her. P. 3 Dahnrial799 



polygamum . Wht.pur. 6, H. Her. P. 2 Pensyl. 1818 

 pubescena . Pa. yel. . 6, H. Her. P. li Switzrl. 1819 



purpurascena Li. pur. . 6, H. Her. P. 3 N. Ame. 1699 



ra nnum". } Pa yeL ' e > H - Her - P - 1 N - Ame - W06 

 repens _ . . Tel. . . 6, H. Her. P. J Russia . 1832 



'"foHum 1 ." } Pur ' yeL 6 ' H ' Her - P> 2 S ' Em '- 1816 



rugSsum . . Wht. yel. 7, H. Her. P. 4 N. Ame. 1774 

 discolor . Tel. . . 6, H. Her. P. 4 N. Ame. 1810 

 eaxiitile 13 . Wht. red 6, H. Her. P. 1} Europe 1819 

 Schweiggeri . Tel. . . 6, if . Her. P. 1 Europe 

 sibiricum . Li. yel. . 6, H. Her. P. 1 Siberia 1775 

 simplex . . Li. yel. . 5, H. Her. P. 1 Sweden 1778 

 sparsiflftrum Tel. . . 6, H. Her. P. 1J Siberia 18S8 

 squarr6sum . Tel. . . 6, H. Her P. 1 Siberia 1806 

 stipulaceum. Wht. yel. 6, H. Her. P. 2 Europe 1820 

 trigynum . Grn. yel. 6, H. Her. P. 2 Bahuria 1818 

 tuberbsum . White . 6, H. Tw. P. 1 Spain . 1713 



ThAllus. The cellular mass of which the lower 

 cryptogamous plants are entirely composed. 



ThAmnea, Brongniart. From thamnos, a shrub. 

 Linn. 5, Or. 1, Nat. Or. Bruniaceoe. A 

 pretty little green-house plant, thriving in a 

 mixture of peat and sand, and propagated by 

 cuttings of the young wood planted in sand 

 under a glass. 

 uiufl5ra . . White . 4, G. Ev. S. 1 C. G. H. . 1810 



THAMNfmuM, Link. From thamnos, a twig ; 

 the appearance of the plant when under the 

 microscope. Linn. 24, Or. 9, Nat. Or. Mu- 

 coracets. A minute plant found on putrid sub- 

 stances — 4legans. 



Thamnoch<5rttjs, Bergius. From thamnos, a 

 shrub, and chortos, grass ; habit of the plant. 

 Linn. 22, Or. 3, Nat. Or. Sesfiacece. This 

 genus succeeds well in sandy peat ; and is 

 readily increased by division. Synonyms : 1, 

 Mistio dicMtomus. 



dich6tomus 1 . Apetal 6, G. Her. P. 2 C. G. H. 1817 

 ecari6sus . . . Brown 6, G. Her. P. 2 C. G. H. 1821 



ThXpsia, Toumefort. So named from the first 

 species being discovered in the Isle of Thapsus. 

 Linn. 5, Or. 2, Nat. Or. Api&cece. These 

 plants will grow in any common soil. They 

 can only be increased by seeds, which should 

 be sown in autumn as soon as ripe. Syno- 

 nymes : 1, LaserpUium gummiferum; 2, L. 

 thapsdides. 



asclepium . . Tel. . 7, H. Her. P. 2 Levant . 

 fcetida . . . Tel. . 7, H. Her. P. 2 Spain . 1596 

 garganica . . Li. yel. 7, H. Her. P. 2 Barbary. 1683 

 gummifera 1 . Tel. . 6, H. Her. P. 2 Spain . 1810 

 Laserpitii 2 . . Tel. . 7, H. Her. P. 2 S. Eur. . 1S26 

 Silphium . . Tel. . 7, H. Her. P. 2 Africa . 1824 

 trifoliata . . . Tel. . 6, H. Her. P. 3 N.Amer. 1700 

 villdsa . . . Tel. . 6, H. Her. P. 3 S. Eur. . 1710 



ThXpsitjm, Nuttall. From the Isle of Thapsus, 

 which gave the name to the Thdpsia of the 

 ancients ; in allusion to its affinity with that 

 genus. Linn. 5, Or. 2, Nat. Or. Apiacem. 

 These plants will grow in any common soil, 

 and are readily increased by divisions or seeds. 

 Synonyms : 1, Ligusticum actceifblium; 2, 

 Thdpsia trifoliata. 



actaeifblium 1 . White 6, H. H6r. P. 2 Canada . 1810 

 atropurpureum . Pur. . 6, H. Her. P. 2 Carolina. 1S10 

 barbindde 2 . . Tel. . 6, H. Her. P. 2 Philadel. 1700 



Thapsus. See Verbdscum Thdpsus. 



Thea, Linn. Derived from Tcha, the Chinese 

 name for tea. Linn. 16, Or. 8, Nat. Or. Tern- 

 strbmidiceoz. For the culture and propagation 

 of these valuable plants, see Camellia. They 

 only require to be protected from severe frost. 

 ' ' Mr. Fortune has proved that the Chinese 

 manufacture black and green tea from the same 

 plant ; and it is now generally agreed that the 



