HOUSTONIA 



439 



HOYA 



HOUSTO'NIA. (Named in honour of Dr. W. Houston, 

 an English botanist. Nat. ord. Cinchonads [Rubiaceae]. 

 Linn. ^-Tetrandria, i-Monogynia.) 



Hardy herbaceous perennials, from North America. 

 Division in spring; sandy loam and peat; beautiful 

 for small beds and rock-works. 



H. albiflo'ra (white-flowered). See H. C.CRULEA ALBA. 

 caru'lea (blue). \. Blue. June. 1785. 

 a'lba (white). White. June. 1823. 

 ciliola'ta (hair-fringed). See H. PURPUREA CILIOLATA. 

 cocci'nea (scarlet). See BOUVARDIA TRIPHYLLA. 

 longiflo'r a (long-flowered). 2. White. Mexico. 1827. 

 longifo'lia (long- leaved). See H. PURPUREA LONGI- 



FOLIA. 



purpu'rea (purple), i. Purple. July. 1800. 

 ciliola'ta (hair-fringed). J. White, blue. July. 



1826. 



longifo'lia (long-leaved). . Scarlet. 

 pusi'lla (puny). See H. C^RULEA. 

 serpyUifo'lia (wild-thyme-leaved) of Michaux. J. 



Blue. June, July. 1812. 

 serpyUifo'lia (wild-thyme-leaved) of Graham. See 



H. C^ERULEA. 



,, tene'lla (slender). See H. SERPYLLIFOLIA. 

 ,, va'rians (varying). See H. PURPUREA. 



HOU'TTEA. (Commemorative of Louis Van Houtte, 

 of Ghent, a noted Belgian nurseryman. Nat. ord. 

 Gesneraceae.) 



Evergreen stove shrubs. Division of tubers ; cuttings 

 in sand in a close case, with bottom-heat. Fibrous peat, 

 leaf-mould, and sand. 



H. Gardne'ri (Gardner's). 2. Red. July. Brazil. 1841. 

 ,, Le'ptppus (Leptopus). See H. GARDNERI. 

 ,, pardi'na (panther-spotted). i. Orange, red. 

 Brazil. 1847. 



HOUTTUY'NIA. (Named after Dr. Houttuyn, of 



Amsterdam. Nat. ord. Saururads [Piperaceae]. Linn. 

 3-Triandria, ^-Trigynia.) 



Herbaceous greenhouse or hardy marsh-plants. Seeds, 

 or dividing the plants, in spring ; peat and loam, kept 

 moist, and the plant a little shaded. Winter, temp., 

 40 to 50. 

 H. calif o'rnica (Calif ornian). i. White, red. June to 



August. California. 1862. 

 corda'ta (heart-shaped). J-i. White. July. 



Japan, China, &c. 1800. 

 fce'tida (foetid). See H. CORDATA. 



HO'VEA. (Named after A . P. Hove, a Polish botanist. 

 Nat. ord. Leguminous Plants [Leguminosae]. Linn. 

 i6-Monadelphia, 6-Decandria. Allied to Lalage.) 



Greenhouse evergreen shrubs, from Australia, with 

 purple flowers, except where otherwise mentioned. 

 Seeds, which should be sown in a hotbed, and moistened 

 in warm water before sowing ; cuttings of young side- 

 shoots in April or May, in sand, under a bell-glass, and 

 kept in a close frame; sandy peat with a very little fibrous 

 loam, and pieces of charcoal and freestone, or small 

 pieces of pounded bricks. Winter temp., 40 to 48, 

 with plenty of air ; in summer they should be a little 

 shaded from bright sunshine. 

 H. Ce'lsi (Cel's). 4. Blue. June. 1817. 



,, chorizemczfo'lia (Chorizema- leaved). 3. April. 1824. 



cri'spa (curled). See H. TRISPERMA. 



elli'ptica (oval-leaved). See H. CELSI. 



ilicifo'lia (holly-leaved). See H. CHORIZEM^EFOLIA. 



lanceola'ta (spear-head-/at>ed). See H. LONGIFOLIA. 



latifo'lia (broad-leaved). See H. CELSI. 



linea'ris (narrow-leaved). 3. July. 1796. 



longifo'lia (long- leaved). 3. July. 1805. 



,, Mangle'sii (Captain Mangles'). See H. TRISPERMA. 



mucrona'ta (sharp-pointed). See H. LONGIFOLIA. 



panno'sa (ragged). See H. LONGIFOLIA. 



,, pu'ngens (pungent). Blue. 1837. 



,, ma'jor (larger). Blue. May. 1841. 



purpu'rea (purple). See H. LONGIFOLIA. 



,, racemulo'sa (spikeleted). See H. LONGIFOLIA. 



,, rosmarinifo'lia (rosemary-leaved). See H. LONGIFOLIA. 



splc'ndens (shining). See H. TRISPERMA. 



trispe'rma (three-seeded). Vermilion. May. 1837. 



,, villo'sa (shaggy). See H. LONGIFOLIA. 



HOVE'NIA. (Named after D. Hoven, a Dutch senator. 



Nat. ord. Rhamnads [Rhamnaceae]. Linn. s-Pentandria, 

 i-\Ionogynia. Alh"ed to Alaternus.) 



Greenhouse evergreen shrubs, with white flowers. 

 Cuttings of ripe young shoots in sand, under a glass ; 

 sandy loam and a little peat. Winter temp., 40 to 45. 

 H. du'lcis has stood against a wall in the Horticultural 

 and Kew Gardens, with a little protection. 

 H. ace'rba (acid). See H. DULCIS. 



du'lcis (sweet). 8. July. Japan; China; Hima- 

 laya. 1812. 



inczqua'lis (unequal). See H. DULCIS. 



HOWA'RDIA CARACASENSIS (Caracas). See 



POGONOPUS EXSERTUS. 



HO'WEA. (Name taken from Lord, Howe's Island. 

 Nat. ord. Palmacea?.) 



Stove Palms requiring treatment similar to Kentia. 

 H. belmorea'na (Belmorean). 10-30. Cream. Lord 



Howe's Island. 1872. 

 forsteria'na (Forsterian). 10-20. Cream. Lord 



Howe's Island. 1872. 



HOY'A. Honey Plant. (Named after Mr. Hoy, once 

 gardener at Sion House. Nat. ord. Asdepiads [Asclepia- 

 daceas]. Linn. s-Pentandria, 2-Digynia.) 



Stove evergreen twiners. Cuttings inserted in almost 

 any open soil, and plunged in a moist heat, root quickly ; 

 even the leaves will root, and soon produce a plant; 

 peat and loam, with a considerable portion of little pieces 

 of pounded bricks and lime-rubbish. They flourish best 

 in the temperature of the stove, and full exposure to the 

 sun ; but in winter they should be kept rather dry, and 

 in the temperature of a warm greenhouse 45, 50, 

 or even lower. 



H. acumina'ta (long-pointed). Himalaya. 

 a'tro-purpu'rea. (dark purple). Brownish-purple. 



September. Java. 1848. 



,, austra'lis (southern). White. Australia. 1820. 

 be'lla (beautiful). i. White, purple. Taung Kola. 



1847. 

 campanula'ta (bell-flowered). See PHYSOSTELMA 



WALLICHII. 

 ,, carno'sa (fleshy-leaved). 10. Pinkish-white. July. 



Asia. 1802. 

 fo'liis variega'tis (variegated-leaved). 10. Pink. 



July. 

 cinnamomifo'lia (cinnamon-leaved). 10. Pale green. 



July. Java. 1847. 

 dandesti'na (hidden). Java. 

 ,, coria'cta (leathery). 2. White, yellow. August. 



Manilla. 1838. 



tl coria'cea (leathery) of Lindley. See H. MULTIFLORA. 

 corona'ria (garland). Yellow. November. Malaya. 



1856. 



,, crassifo'lia (thick- leaved). See H. CARNOSA. 

 ,, cumingia'na (Cumingian). Yellow. Philippines. 

 Darwi'nti (Darwin's). Pink. March, April. Moun- 

 tains of Luzon. 1910. 



,, diversifo'lia (various-leaved). India and Malaya. 

 engleria'na (Englerian). White, fragrant. Siam. 



1907. 



,, frate'rna (brotherly). Brown. July. Java. 1851. 

 ,, frutico'sa (shrubby). 1848. 

 ,, fu'sca (dark brown). Brownish. Sylhet. 1837. 

 fuscomargina'ta (brown-margined). Yellowish-green. 



Country unknown. 1910. 

 globido'sa (globular). Pale straw, white, brown-pink. 



India. 1882. 

 ,, gonoloboi' 'des (Gonolobium-Uke). Brownish. Stems 



tawny. India. 1884. 

 Griffi'ihii (Griffith's). Cream, tinted red, white. July. 



Himalaya. 1885. 

 imperia'lis (imperial). 20. Scarlet. June. Borneo. 



1847. 



Rau'schii (Rausch's). Red. 1855. 

 lacuna' sa (furrowed). 3. Greenish-yellow. March. 



Java. 1854. 



pallidiflo'ra (pale-flowered). White. Java. 1861. 

 lasia'ntha (woolly-flowered). Yellow. July. Borneo. 



1858. Climber. 

 ,, Lauterba'chii (Lauterbach's). Brown-red inside, 



green outside. New Guinea. 1896. 

 linea'ris (linear). White. October. Himalaya. 

 sikkime'nsis (Sikkim). Waxy-white. Sikkim. 

 1883. 



