THINNING 



855 



THRINAX 



Stove evergreens. Cuttings of half-ripe shoots in sand, 

 under a bell-glass, and in moist heat ; sandy loam and 

 fibrous peat. Winter temp., 50 to 60 ; summer, 60" 

 to 85. 

 T. acumina'ta (long-pointed). See CAVENDISHIA ACUMI- 



NATA. 



angustifo'lia (narrow-leaved). SeeEuRYCANiA ANGUS- 



TIFOLIA. 



cordtfo'lia (heart-leaved). See CAVENDISHIA CORDI- 

 FOLIA. 



corona' ria. (garland). See THEMISTOCLESIA CORONILLA. 



fioribu'nda (free-flowering). Scarlet. Colombia. 



Je'ssica: (Jesstea's). Pale red. September. Vene- 

 zuela (?). 1865. 



macra'ntha (large-flowered). See AGAPETES MA- 



CRANTHA. 



macrophy'lla (large-leaved). See PSAMMISIA MACRO- 



PHYLLA. 



microphy'lla (small-leaved). 2. September. Peru. 



1847. 

 myrtifo'lia (myrtle-leaved). See PENTAPTERYGIUM 



SERPENS. 



,, ocant'nsis (Ocana). Colombia. 1851. 

 pendulifio'ra (pendulous-flowered). See PSAMMISIA 



PENDULIFLORA. 



pichinchefnsis (Pinchincha). 12 Scarlet. Colombia. 



1849. 



gla'bra (smooth). See PSAMMISIA HOOKERIANA. 

 pulche'rrima (beautiful). See AGAPETES VARIEGATA. 

 ,, ,, gla'bra (smooth). See AGAPETES GLABRA. 

 sarca'ntha (fleshy-flowered). See PSAMMISIA SAR- 



CANTHA. 



scabriu' scula (rather-scabrous). 3-5. Crimson. April. 



Ecuador. 1850. 



setigera (bristly). See AGAPETES SETIGERA. 

 raccina'cea( cranberry-like). See AGAPETES SETIGERA. 

 ,. variega' ta (variegated). See AGAPETES VARIEGATA. 



THINNING. The exhaustion consequent upon the 

 production of seed is a chief cause of the decay of plants. 

 This explains why fruit-trees are weakened or rendered 

 temporarily unproductive, and even killed, by being 

 allowed to ripen too large a crop of fruit, or to " overbear 

 themselves." 



The thinning of fruit is, consequently, one of the most 

 important operations of the garden, though one of the 

 least generally practised. It is equally important to be 

 attended to in all fruit-bearers, but especially the vine, 

 nectarine, peach, apricot, apple, and pear. It should be 

 done with a bold, fearless hand; and the perfection of 

 that which is allowed to remain will amply reward the 

 grower, in harvest time, for the apparent sacrifice made. 

 But he will not reap his reward only in this year, for the 

 trees, thus kept unweakened by over-production, will be 

 able to ripen their wood, and deposit their store of sap 

 in their vessels, so absolutely necessary for their fruit- 

 fulness next season. 



Thinning is a most necessary operation with plants as 

 well as with the fruit they bear. The roots of a plant 

 extend in a circle round it, of which the stem is the 

 centre. If the roots of adjoining plants extend within 

 each other's circle, they mutually rob one another of 

 nutriment, and check each other's growth. Thinning in 

 the seed bed is generally applied with too timid a hand. 



THISTLE. Ca'rduus. Cni'cus. 



THISTLE, BLESSED. Si'lybum Maria'num. 



THISTLE, COTTON. Onopo'rdon Aca'nthium. 



THISTLE, GLOBE. Echi'nops. 



THISTLE, GOLDEN. Sco'lymus hispa'nicus. 



THISTLE, HEDGEHOG. Echinoca'cius. 



THISTLE, HOLY. Si'lybum Maria'num. 



THISTLE, MELON. Mcloca'cius. 



THISTLE, OUR LADY'S MILK. Si'lybum Maria'num. 



THISTLE, SCOTCH. Cni'cus lanceola'lus. 



THISTLE, SOW. So'nchus. 



THLADIA'NTHA. (From thladias, a eunuch, and 

 anthos, a flower. Nat. ord. Cucurbitaceae.) 



Hardy, deciduous climbers, with tuberous roots. Seeds ; 

 divisions of the tubers. Well-drained soil. 

 T. du'bia (doubtful). 10-15. Yellow. China. 1864. 

 Oltve'ri (Oliver's). 30-35. Yellow. Summer. 

 Central China. 1903. Tubers absent. 



THLA'SPI. Bastard Cress. (From thlaspis, an old 

 Greek name for cress. Nat. ord. Cruciferae.) 



Hardy annuals or perennial herbs. 

 T. alpe'stre (alpine). $-}. White. June to August. 



Europe (Britain). Perennial. 

 ara'bicum (Arabian). See JTHIONEMA CAPPA- 



DOCICUM. 

 cepeefo'lium (onion- leaved). J. Pink. June, July. 



Tyrol, &c. 1824. 



,, lu'teum (yellow). See BIVON^A LUTEA. 

 occita'nicum (Occitanian). See T. ALPESTRE. 

 pu'milum (dwarf). May, June. Caucasus. 1821. 

 rotundifo'lium (round-leaved). J. White, purple. 



June, July. Europe. 1759. 

 saxa'tile (rock). See ^THIONEMA SAXATILE. 

 sylve'stre (wood). See T. ALPESTRE. 

 ,, viola' scens (violet). Purple- violet. June. Asia 

 Minor. 



THOMA'SIA. (Named after Messrs. Thomas, two 

 brothers, collectors of Swiss plants. Nat. ord. Sterculiads 

 [Sterculiaceae]. Linn. $-Pentandria, i-Monogynia. Allied 

 to Lasiopetalum.) 



Greenhouse, Australian, evergreen shrubs. Cuttings 

 of firm, stubby, young side-shoots in sand, under a bell- 

 glass, in April ; sandy, fibrous loam and peat, with a 

 little charcoal and broken pots, and pots extra well- 

 drained. Winter temp., 40 to 48 ; a sheltered, airy 

 place in summer. 



T. canf" scens (hoary). See T. GLUTINOSA. 

 ,, diffu'sa (straggling). White. April. 1822. 

 dumo'sa (bushy). See RULINGIA PARVIFLORA. 

 folio'sa (leafy). 3. June. 1823. 

 ,, glutino'sa (clammy). Red. May. 1835. 

 latifo'lia (broad-leaved). Pink, dark brown. 



Summer. 1885. 



,, grandiflo'ra (large-flowered). Red. 1840. 

 , panicttla'ta (panicled). See T. PAUCIFLORA. 

 , pauciflo'ra (few-flowered). Red. June. 1842. 

 , purpu'rea (purple). 3. Purple. June. 1803. 

 , quercifo'lia (oak-leaved). 3. Purple. May. 1803. 

 , solana'cea (potato-like). 3. White. June. 1803. 

 stipula'cea (/afg-stipuled). See T. TRIPHYLLA. 

 triphy'lla (three-leaved). 3. June. 1824. 

 tnacroca'rpa (large- fruited). 3. Red. June. 1842. 



THOMSO'NIA. (Commemorative of Dr. A. T. Thom- 

 son. Nat. ord. Araceas.) 



Stove perennial herbs, with tuberous roots. Offsets. 

 Fibrous loam, peat, and sand. 

 T. Hoo'keri (Hooker's). See T. NEPALENSIS. 

 nepale'nsis (Nepaul). 4. Greenish-yellow. Hima- 

 laya. 1816. 



THORN. Craiat'gus. 

 THORN APPLE. Datu'ra Siramo'nium. 

 THORN, CHRIST'S. Paliu'rus austra'lis. 

 THORN, GARLAND. Paliu'rus austra'lis. 

 THORN, JERUSALEM. Parkinso'nia aculea'ta. 

 THOROUGH-WAX. Bupleu'rum rotundifo'lium. 



THOUI'NIA. (Named after A. Thouin, professor of 

 agriculture, &c., in Paris. Nat. ord. Soapworts [Sapin- 

 daceae]. Linn. 8-Octandria, i-Monogynia. Allied to 

 Cupania.) 



Stove evergreen shrub. Cuttings of firm side-shoots in 

 sand, under a bell-glass, in heat ; sandy, fibrous loam 

 and a little peat or leaf-mould. Winter temp., 50 to 

 58 ; summer, 60 to 85. 

 T. pinna'ta (leafleted). 8. White. Domingo. 1823. 



THREE BIRDS ORCHID. Pogo'niape'ndula. 



THRIFT. Arme'ria mari'tima. See EDGING. 



THRINAX. (From thrinax, a fan ; shape of the 

 leaves. Nat. ord. Palms [Palmaceae]. Linn. 6-Hexan- 

 dria, i-Monoqynia.) 



Stove Palms. Seeds in a moist, sweet hotbed, in 

 spring ; rich, loamy soil. Winter temp., 55 to 60 ; 

 summer, 60 to 90. 

 T. arbo'rea (tree-like). See ACANTHORHIZA ARBOREA. 



ar?c'nlea (silvery). 15. W. Ind. 1830. 



barbadSnsis (Barbados). 12. Barbados. 1875. 



c/Mu'to (bristly). 8. Cuba. 



