GEN 



[ 197 ] 



CEN 



O, radia.'tx (rayed). 2. White. July. Siberia. 1804. 



vefletxa (bent-back-spined). 3. Yellow. July. 



Iberia. 1801. 



re'pens( creeping) . 1. Yellow. July. Levant. 



1739. 



rifgida (stiff). 1. Purple. July. 1823. 



rivula'ris (rivulet). 2. Brown. July. Por- 



tugal. 18)2. 



Roma'na (Roman). 3. Red. July. Rome. 1739- 



rupe'stris (rock). 2. Yellow. July. Italy. 1806. 



Ruthefnica (Russian). 3. Pale yellow. August. 



Russia. 1806. 



sabulo'sn (sand). 1. White. July. Siberia. 1820. 



salicifo'lia (willow-leaved). 2. Purple. July. 



Caucasus. 1823. 



sangui'nea (bloody). 2. Purple. July. ^7. 



se'ridis (endive-leaved). 1. Purple. July. S^m. 



1686. 



Sessa'na (Sessane). 1. Blue, July. South 



Europe. 181 6. 



Sibi'rica (Siberian). 1. Purple. July. Siberia. 



1780. 



sonchifo'lia (sow-thistle-leaved). 1. Purple. 



August. Mediterranean. 1780. 

 -- so'rdida (sordid). 1. Purple. July. 1818. 



spatula'ta (spatulate-teaued). 2. Blue. July. 



Naples. 1825. 



spheeroce'phala (globe-headed). 2. Purple. 



July. South Europe. 1683. 



spinulo'sa (small-spined). 2. Purple. July. 



Hungary. 1826. 



sple'ndens (shining). 3. Purple. July. Spain. 



1597- 



squarro'sa (wide-spreading). l. Purple. July. 



Persia. 1836. 



sterenphy'lla (stiff-leaved). 2. Purple. July. 



Podolia. 1820. 



Sta'be (Stcebe). 1. Red, yellow. June. Aus- 



tria. 1759. 



stri'cta (erect). 1. Blue. July. Hungary. 



1816, 



Tata'rica (Tartarian). 2. Yellow. July. Tar- 



tary. 1801. 



tenuifo'tia (fine-leaved). 2. Purple. July. 



Siberia. 1820. 



transalpi'na (transalpine). 4. Purple. July. 



Switzerland. 1819- 



trichoce'phala (hairy-headed). 1. Purple. July. 



Siberia. 1805. 



trine'rvia (three- nerved). 2. Purple. July. 



Podolia. 1816. 



uligino'sa (marshv). 3. Yellow. July. Por- 



tugal. 1816. 



uniflo'ra (oiie-flowered). I. Purple. July. 



South Europe. 1819. 



Vochinefnsis (Vochin). 2. Purple. July. Aus- 



tria. 1817. 



Weidmannia'na (Weidmann's). 2. Rose. July. 



Natolia. 1836. 



ganthi'na (yellow). 2. Yellow. 



CENTKADE'NIA. (From kentron, a spur, 

 and aden, a gland; referring to a spur- 

 like gland on the anthers. Nat. orcl., 

 Melastomads [Melastomacese]. Linn., 8- 

 Octandria \-Monogynia. Allied to Lavoi- 

 biera.) 



Stove evergreen. Cuttings of side-shoots, in 

 March or April ; sandy loam one part, and rough 

 peat two parts ; a cool stove, or a warm green- 

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



C. ro'sea (rose-coloured), i. Rosy-white. April. 

 Mexico. 1843. 



CENTEA'NTHDS. (From kentron, a spur, 

 and antlios, a flower ; referring to a spur- 

 like process at the base of the flower. 

 Nat. ord., Valerianworts [ValerianaceseJ. 

 Linn., I-Monandria %-Digynia.) 



Hardy herbaceous perennials, except C, calci'- 

 trapa. Seeds and divisions ; common soil. 

 C. angustifo'lius (narrow-leaved). 2. Crimson. 

 June. South Europe. 1759. 



calci'trapa (caltrop-leaved). 1. Purple. June. 



Portugal. 1683. Hardy annual. 



ru'ber (red). 2. Crimson. June. Britain. 

 flo're-a'lbo (white-flowering). 2. White. 



June. Britain. 



CENTEOCLI'NIUM. (From kentron, a 

 sharp point, and Mine, a bed. Nat. ord., 

 Composites. Linn., I9-Syngenesia 2-Su- 

 perflua.) 



Stove plants. Seeds and cuttings, in heat; 

 sandy loam and leaf-mould. Summer temp., SO 

 to 75; winter, 50 to 55. 



C. appre'ssum (close-pressed-seated). 2. Rosy. 

 January. Peru. 1836. Evergreen. 



refle'xum (bent-back-scated)- 2. Rosy. Au- 



gust. Peru. 1830. Annual. 



CENTKOPO'GON. (From kentron, a spur, 

 and pogon, a beard ; in reference to the 

 fringe which envelopes the stigma. Nat. 

 ord., Lobeliads [Lobeliacese]. Linn., 5- 

 Pentandria \-Monogynia.) 



Notwithstanding the acid poisonous qualities 

 assigned to Lobeliads, it is asserted that the soft 

 fruit of the Centropo'gon Surinamt'nsis is eatable. 

 Herbaceous perennials. Divisions of roots ; sandy 

 peat, and rich, fibry loam; moisture and heat 

 when growing, and comparative dryness and a low 

 temperature when at rest. The Surinam species 

 will require a few degrees higher temperature in 

 winter than the others. 

 C. cordifo'lium (heart -leaved). Rose. June. 



Guatimala. 1839. Stove. 

 fastuo'sum (proud). 2. Rose. November. 



Greenhouse. 



Suriname'nsis (Surinam). 2. Rose. November. 



Surinam. 1786. Stove. 



CENTROSOLE'KIA. (From kentron, a 

 sharp point, and solen, a tubo ; referring 

 to the form of the corolla. Nat. ord., 

 Gesnerworts [Gesneracese]. Linn., 14- 

 Didynamia 1-Gymnospermia.) 



Natives of tropical America. Require a warm, 

 moist stove. Soil, equal parts of peat, leaf-mould, 

 and sand; good drainage, and little water in 

 winter. Cuttings in a warm frame, without a 

 bell-glass. 



C. bracte'scens (bractescent). 2. White. Jane. 

 New Grenada. 1852. 



gla'bra (smooth-teamed). 1. White. October. 



La Guayra. 1846. 



pi'cta (painted-teaued). White. Banks of 



Amazon. 1851. 



CENTROSTE'MMA. (From kentron, a spur, 

 and stemon, a stamen ; referring to a horn, 

 or spur-like process on the stamens of 

 Asclepiads. Nat. ord., Asclepiuds [Ascle- 



