DEL 



[ 288 ] 



DEN 



HARDY HERBACEOUS PERENNIALS. 



I), albiflo'rum (white-flowered). 4. White. July. 

 America. 1823. 



alpi'num (alpine. Bee). 5. Blue July. Hun- 



gary. 1816. 



Alta'icurn (Altaian). 4. Blue. July. Altaia. 



1829. 



amce'num (pleasing). 2. Pale blue. July. Si- 



beria. 1818. 



azu'reum (azure). 1 6. Light blue. July. Ca- 



rolina. 1805. 



cheila'ntkum (lin-flowered). 2. Dark blue. 



May. Siberia. 1819. 



Chine'nse (Chinese). 2. Blue. July. China. 



1818. 



crasslcau'le (thick-stemmed). Blue. June. 



Siberia. 1822. 



cunea'tum (wedgc-featvif). 4. Blue. June. 



Siberia. 1816. 



dasyca'rpum (thick-fruited). 4. Bluo. July. 



Caucasus. 1819- 



dcco'rum (comely). l. Blue. June. Russia. 



1838, 



dictyoca'rpum (netted-fruited). 4. Blue. July. 



Siberia. 1817. 



di'zcolor (two-coloured). 6. Blue, white. Au- 



gust. Siberia. 1834. 



ela'tum (tall. Common nee). 6. Blue. July. 



Siberia. 1597. 



-- eflegans (elegant). 1$. Blue. July. N. 

 Amer. 



flo' re-pie 1 no (common- double flowered). 



14. Blue. July. N. Amer. 1741. 



exalta'tum (lofty). 3. Blue. July. N. Amer. 



1758. 

 fi'wtm (cleft). 4. Blue. June. Hungary. ISlG. 



fiexuo'sum (zigzaar). 2. Blue. May. Caucasus. 



1820. 



gra'clle (graceful). Red. July. Spain. 1826. 



grandiflo'rum (large-flowered). 2. Dark blue. 



July. Siberia. 1816. 



a'lbum (vthite-Jloivered). 2. White. July. 



a'lbum-ple'no (double-white). 2. White. 



June. 

 flo're-ple'no (double-A/we-flowered). 2. 



Dark blue. June. 



pa'llidum (pale blue). 2. Blue. June. 



ru'brum (red-flowered). 3. Red, pink. 



August. 



ky'bridum (hybrid). 3. Blue. July. Siberia. 



1794. 



iatterme'dium (intermediate). Blue. August. 



Silesia. 1710. 

 ecerule'scens (downy-leaved, sky-bluel. 7- 



Light blue. July. 1836. 

 la'xum (loose-spiked). 6. Blue. May. 



leptosta'chyum( slender-spiked). 6. Blue. May. 



Pyrenees. 



pa'llidum (pale blue). 2. Blue. July. 



pilosi'ssimum (hairiest). 6. Blue. July. 



Siberia. 

 ranunculifo'llum (ranunculus-leaved). 6. 



Blue. July. Pyrenees. 

 sapphi'rinum (sauphite-blue-flowered), 7. 



Blue. 



laxiflo'rum (loose-flowered). 4. Blue. July. 



Siberia. 



M enzi e'sii (Menzies'). 2. Blue. July. N. 



Amer. 1826. Tuberous-rooted. 



mesoleu'cum (white-middled). 3. Blue. July. 



1822. 



monta'num (mountain). 4. Blue. July. Swit- 



zerland. 1819- 



bracteo'sum (bracteose). 8. Blue. June. 



South Europe. 1816. 



D. moscha'tum (musk-scented). 6. Dark Mus* 

 August. Switzerland. 1831. 



ochroteu'cwn (yellowish-white). 2. White, 



Iberia. 1823. 



pa'llidum (pale). Pale blue. June. Siberia. 



1822. 



palmati'fidum (hand- like- cleft). 3. Blue, 



July. Siberia. 1824. 



glabe'llum (smoothish). 3. Blue. June. 



Siberia. 181?. 



pentagy'num (five-styled). 2. Blue. July* 



South Europe. 1819. 



pseu'do-peregri'num (rather-diffuse). 3. Red. 



June. Siberia. 1823. 



pum'ceum (sc&rlet-flowered). 1. Purple. July. 



Siberia. 1/85. 



revolu'tum (rolled-back). 6. Pale blue. April. 



Sine'nse flo're-ple'no (Chinese double -flow- 



ered). Deep blue. June. China. 



specio'sum (showy). 4. Blue. July. Caucasus. 



1816. 



spu'rium (spurious). 4. Blue. August. Siberia. 



1810. 



Mcu'rne (three-horned). J. Blue. July. N. 



Amer. 180(5. 



tri'stc (sadj. 2. Blue, July. Dahuria. IS 19. 



Ucru'nicum (Ukraine). Blue. June. Siberia. 



1818. 



urceolu'tum (pitcher-like). 2. Blue. June. 1S01. 



vefuti'num (velvety). 4. Blue. July. Italy. Irfig. 



villo'sum (long-haired), 4. Blue. July. Cau- 



casus. 1818. 



vimi'neum (wand-like). 4. Blue. August. N. 



Amer. 1835. 



DENDRO'BIUM. (From dendron, a tree, 

 and bios, life; referring to the way these 

 air-plants fasten on trees for support. 

 Nat. ord., Orchids [Orchidacete]. Linn., 

 2Q-Gynandria 1-Monamlria.) 



Stove orchids. Dividing the plant when in a 

 dormant state; turfy peat, a few broken potsherds, 

 and fastening the plant above the surface of the 

 pot ; cutting pieces of peeled oak as long as the 

 diameter of the pot inside at the rim ; fixing the 

 plant to this wood ; and, after placing it in the 

 pot, banking up around it with tiie suitable com- 

 post prevents all danger from damp, owing to 

 the plant sinking. Temp., 60 to 90 when grow- 

 ing, with moisture in the air; and when at rest, 

 55 to 60, and drier. 



D. a'mulum (rival). 4. White, brown. N. Hol- 

 land. 1823. 



acero'sum (pointed- leaved). Yellow, pinfe. 



Singapore. 1840. 



acieula're (needle-leaved). Yellow, pink. Sin- 



gapore. 1840. 



acuminati'ssimum (most pointed). Greenish. 



Manilla. 1840. 



adu'ncum (hooked). 2. Pink. Manilla. 18^2. 



aggrega'tum (clustered). 1. Yellow. April. 



India. 

 ma' jus (larger). White. April. India. 1P35. 



alpe'stre (rock). White. Himalayas. 1S40. 



amee'num (lovely). White, yellow. June. Ne- 



paul. 1843. 



a'mplum (ample). Straw-coloured. Khooseea* 



1837. 



ano'smum (scentless). l. Purple. June. Phi- 



lippines. 1840. 



a'queum (watery). 1. Greenish. November. 



Bombay. 1842. 



au'reum (golden-flowered). 1. Yellow. Ceylon. 

 palli'dum (pale-golden-./?ow>tfnd). 1. Pale 



yellow, March. Ceylon. 1836. 



