DOO 



[ 338 ] 



DOR 



Greenhouse herbaceous ferns. Spores brown, 

 or yellowish brown. Divisions, just before 

 fresh growth commences in spring ; peat and 

 loam. Summer temp., 55 to 75; winter. 45 

 to 50. 



D. a'spera (roucth-stalked). f. June. New 

 South Wales. 1808. 



blechnni des (Blechnum-like). August. New 



Holland. 1835. 



cauda'ta (tailed). 1. June. New Holland. 



1820. 



Kunthia'na (Kunth's). 



lunuln'tn (crescent- leaved}. New Zealand. 



1834. 



me'dia (intermediate). 3. June. New Hol- 



land. 1823. 



virgi'nica (Virginian). August. Virginia. 



17/4. 



DORE'MA. (From dorema. a gift; 

 referring to its product gum am- 

 moniac, but not Dioscorides's plant, 

 which was some species of Ferula, 

 supposed F. orientalis. Nat. ord., Urn- 

 bellifers [Apiaceee]. Linn., b-Pentan- 

 dria 2-Diyynia. Allied to Ferula.) 



The plant from which gum ammoniac is 

 obtained. Hardy herbaceous plant. Seeds 

 sown in a sheltered place, at the end of April ; 

 common garden soil. 



D. ammoni' ar.'um (ammoniac). 7. White, 

 yellow. June. Persia. 1831. 



DORO'NICUM. Leopard's Bane. (From 

 doronigi, the Arabic name. Nat. ord., 

 Composites [Asteracese]. Linn., 19- 

 Synyeni'sia 2 - Superflua. Allied to 

 Arnica.) 



A genus of early flowering, low, hardy, herba- 

 ceous plants for borders. D. Columnce makes an 

 excellent bed or large patch ; will bear removing 

 with a hall as soon as it has done flowering; trans- 

 plant about the end of September to the flower- 

 garden. Yellow flowers, except D. altaicum. 

 Dividing at the roots ; common garden soil ; if 

 dry and light all the better. 

 D.Alta'icum (Altaic}. 1. White. July. 

 Siberia. 1783. 



Austri'acum (Austrian). 1. May. Austria. 



1816. 



Cauca'sicum (Caucasian). 1 . July. Cau- 



casus. 1815. 



Colu'mnee (Columna's). 2. May. Italy. 



1824. 



cordifo' Hum (heart-leaved). Russia. 1838. 



denta' turn (toothed-leaved). May. 1825. 



macrophy'llum (large-leaved). 2. July. 



Europe. 1828. 



Porda^VwcAes(Panther-strangler). 2. May. 



Britain. 



Plantagi'neum (Plantain-leaved). 2. May. 



South Europe. 1570. 



Scorploi'des (Scorpion-like). 1. May. Ger- 



many. 



DORSTE'NIA. (Named after T. Dors- 

 ten, a German botanist. Nat. ord., 

 Morads [Moracesej. Linn., k-Tetran- 



dria l-Monoyynia. Allied to the Fig 

 and Mulberry.) 



Little tufted stove herbaceous plants, culti- 

 vated for the curious way they produce their 

 inconspicuous green flowers, on a flattened leaf- 

 like receptacle. They are worth growing for 

 covering rock-work, or side edgings in a damp 

 stove. Division, before active growth ; also 

 seeds in a hot-bed in March or April ; rich 

 sandy loam. Summer temp., 6oto85; win- 

 ter, 50" to 55. 



D. cordifo'lia (heart-leaved). . June. West 

 Indies. 1822. 



Housto'ni (Houston's). . June. South 



America. 1747. 



tubici'na (trumpet). June. Trinidad. 1317- 

 DORYA'NTHES. (From dory, a spear, 



and anthos, a flower ; the flower-stem 

 shoots up from twelve to twenty feet 

 high, like the handle of a spear, bearing 

 flowers on the top. Nat. ord., Ama- 

 ryllids [Amaryllidaceae]. Linn., 6- 

 Hexandria l-Monoijynia. Allied to 

 the American Aloe, but not with suc- 

 culent leaves.) 



This gigantic half-lily and half-palm looking 

 plant, with its bundled fleshy roots, seems 

 rather out of place among Amaryllids. This, 

 with its fellows, Litisea and Fourcroya, can 

 only find head -room in the loftiest conserva- 

 tories. Greenhouse evergreen. Suckers, and 

 seeds at time-; ; peat and rich loam. Summer 

 temp., 60 to 80; winter, 45 to 50. 

 D. exce'lsa (lofty). 20. Cream. July. New 

 South Wales. 1800. 



DORY'CNIUM. (From dory, a spear; 

 adopted from Pliny, who applied the 

 name to " a poisonous herb wherewith 

 they poisoned arrow-heads, darts, &c." 

 Nat. ord., Leguminous Plants [Fabacese]. 

 Linn., \7-J)ia,delphia ^.-Decandrla. Al- 

 lied to Lotus and Trifolium.) 



Seeds in March ; herbaceous ones also by 

 division ; common garden soil. 



HARDY HERBACEOUS. 



D. herba'ceum (herbaceous). 1$. White. July. 

 South Europe. 1802. 



interme' dium (intermediate). White. June. 



Caucasus. 1836. 



latifo'lium (broad-leaved). l. White. July. 



Iberia. 1818. 



HAEDY EVERGREEN. 



hirsu'tum (hairy). 3. Red, white. July. 



South Europe. 1683. 



re'ctum (upright). 2. Red. July. South 



Europe. 1640. 



svffrutico'sum (subshrubby). 1j. White. 



July. South Europe. 1040. Half- 

 hardy. 



tomento'sum (woolly). 3. Red, white. July. 



South Europe. 1817- 



DORYO'PTERIS. (From dory, a spear, 



