108 



JCOSAND1UA MONOGYNIA. 



CLASS XII. 

 ICOSANDRIA. Stamens 20, or more, inserted on the Caly.v. 



ORDER I. 



MONOGYNIA. Style 1. 



Col.of Month Native 

 Flow. ofFl. Country. 



Soil and 

 Propagation. 



MAMMILLA' RIA, MAMMILLA' Rl A. Cal.5-6-lob.adher.toova. Pet.5-6. Stig.5-7-clef.rad. Ber.smth. 



coccinea. 

 coronaria. dc. 

 glomerata. dc. 

 geminispina. DC. 

 lanifera. DC. 



scarlet-flow'd. 

 the great, 

 glomerate, 

 twin-spined. 

 wool-bearing. 



magnimamma. dc. large-beaded. 



Stem globul. spiny. sc Chile. 1827. 



Stew simp, cylin. spiny, sc. 6. 8. Mexico. 1820. 



Stemtuft.wartsglau.pub. re St.Domin.1825. 



Stem colum. warts small, re. 6. 8. Mexico. 1823. 



•Stemsim.ro.obo. war. woolly. 



Stem sub-glob, war.loose. re. 



S.^. Sandy loam, 

 S.£>. mixed with 

 S.£>. alitile brick 

 S.§. rubbish, is 

 S.Sb. the soil best 

 S.JJ>. adapted for 



the growth of this genus, and other tribes belonging to the Cactece. They require 

 but little icater, fy may be readily increased by seeds, or cuttings. 



MELOCA'CTUS, MELON-THISTLE. Cal.5-6-lob. petal-like. Pet.5-6. Stig. 5, radiate. Ber.smth. 



communis, dc. Turk's Cap. 

 macracanthus. dc. large-spined. 

 pyramidalis. dc. pyramidal, 

 placentiformis. DC.black-spincd. 



Cactus melocdctus.-Bes. 

 Sellowii. dc. Sellow's. 



Stemov.orbi.12 18-ang.spi.r. 7. 8. W.Ind. 16S8. S.£. 



Stem round. 14-ang.spin. re. S.Amer. 1820. S.JS 



$teml7-ang. ribs obi. spin Curassao.1824. S.gu 



jStemroun.depr.^-ll-an. re. 7. 9. Brazil. S.g>. 



Stemglo. rib.lO-acu.prick.7 M.Video.l82G. S.£. 



ECHINOCA'CTUS, ECHINOCA'CTUS. Sep.num.imbr. the exterior incol. petal-like. Ber. scaly. 



acuatus. dc. 

 crispatus. DC 

 gladiatus. dc. 

 latispinus. H.P. 



sharp-ribbed, 

 curl-ribbed, 

 sword -spined. 

 flat-spined. 



iStemsub-glo.glau.ribs20. 

 Stemobo.ape.retu.ribsund. - 

 Stemov.obl.glau. ribsl4-22. 

 «Stemdepr.with21ang.spi.pu. , 



, M.Video.1826. 

 - Mexico. 



orthacanthus. dc. straight-spined.Stemdepr. ribsl8,obt.awl.7. . 

 Ott6nis. b.m. Mr. Otto's. »Stem3-4-in.high.orb.l2-ang.T/. 



parvispinus. dc. small spined. iStemsub-glo.ribslS-comp. 



.. 1823. 



.. M.Video.1828. 

 .. Brazil. 1829. 

 .. S.Amer. 1815. 



s.&. 



s.&. 



s.&. 

 s.j?. 

 s.&. 

 s.£. 



CE'REUS, CE'REUS. Sep. imbric. numerous, crowded in a long tube. Ber. tuberculate. 



albispinus. DC 

 aureus, dc. 

 coccineus. dc. 

 chiloensis. dc 

 flavispinus. dc. 



white-spined. 

 golden- spined. 

 scarlet-flow'd. 

 ten-angled, 

 yellow-spined. 



flagelliformis. dc creeping. 

 grandifl6rus. dc night-flowered, 

 horizontalis. horizontal. 



phyllanthoides.DC rosy -flowered. 



Cactus speciosus. b.r. 

 speciosissimus. dc. beautiful. 



Cactus speciosissimus. b.r. 



Stem erec.9-10-ang. ribs obt S.Amer. 1822. S.|?, 



Stemerec^-S-ang.spi.elong 1825. S.£>. 



Stem e\on. articu. 3-ang. sc Brazil. 1828. S.^i. 



iStemov.erec.withlOoht.ang Chile. 1825. S.£. 



Stem erect, 8-1 0-angul S.Amer. 1822. S.£. 



StemlO-ang. war.crowd.spi. 3. 6. Peru. 1690. S.J&. 



Stem5-G-ang. brist). 5-6. y.w. 6. 8. Jamaica. 1700. S.£. 



Bran. cyl. artic. spiny. Chile. 1828. S.£. 



Uran.ensif.com. obo.den.pfc. 5. 8. Mexico. 1816. S.£. 



i3;an.erec.3-4-sid.ang.den. C. 9. S.|S 



Sandy loam 

 fy peat, mixed 

 with brick 



rubbish. 

 They are 

 easily pro- 

 pagated by 

 cuttings; 8f 

 several hy- 

 brid varie- 

 ties are fre- 

 quently rais- 



