302 CACTKAE. 



MAM.MILLAR1A. 



arcolis Juiiiorib. ull>i(lo-(onieiitusi:>, deiii iiudii»; spiiiis 17--20 subulatis rigidis 

 bubrcctis cornois, 14-1(5 radiantib. pateiaib., 3-4 cciitralib. robustiorib. longiorib. 

 crec(o-pa(enlib. decussa(is, suniina et iina longissiniis. — llai)i(al iii .Vexico. 



171. .M. C.OUO.NATA Sciieidw. in Otlo cl Dietr. All(,'cni. GartenitliiK. VIII. .m — Trun- 

 cus caes|iiles fornians v. raniosus ; ranii cjlindrici; axillisnudis; inanimiiiis coni- 

 cis subrecurvuiis iacte viridib., cum (ruiico cuiiliuen(ib. ; acuieis e lomcnto par- 

 cissimo, cx(criorib. plurimis (20-25) sctiformib. albis radianlib., primo intcrlextis, 

 (andem intricatis, cenlraiib. 4, G-8 rigidis rectis validiorib. divergcntib., primo 

 auraiiliacis, dein purpureis. — llabitat ? 



172. M. EIIECTA Lem. Cact. aiiq. nov. J. f — Columnaris eiongata laetc virens : 

 axiiiis juniorib. valde lanalis, sensiin sese dcnudaiitib. et mox, quando nudae, tu— 

 berculum asportan(ib. ro(unda(um in medio iinprcssum fulvo au( rubro colore, 

 probabiiiter succum iimpidum, sicul lubcrcuii M. I.ehmanni cxstiilans annuloq. 

 lomcntoso areolae iiistar ciiictum; mamniiliis conicis sursum erectis nec unqiiam 

 sicut in aiiis Mammillariis liori/.ontaiib. scu depcndentib., ad basin subriioinbeis 

 et projiter iianc formam uilra tres iineas iongis, (luinque aut sex subtuscj. (jua- 

 (uor ia(is; iana axiliari subOoccosa sicu( ct iii areoiis ovaiib., ubi mox cvancscens, 

 duodecim aul sedecim acuieis radianlib. subaequaiib. pauiium adpressis ct quasi 

 curvatis iuteo-fuscesccnlibus et ad apicein planlac iutesccntib., quorum (an(um 

 unus superus erec(us elongatior subpoilicaris cl unus semper, aliquando 2-3 cen- 

 trales vaiidiores vix aliis longiores, 4-6 iin. longis, omnes ct subulati. — Mexico. 



173. M. SPIIVOSISSIMA Lem. I. c. C. — Columnaris robusta: axiiiis parum lanalis; 

 mammiliis parvis, ovato-conicis , duas vcl tres lin. iongis, duasque ad basin la- 

 (is, hicque mu(ua pressionc obsolete (e(ragonis; aculeis numerosissimis, omnino 

 in(er(ex(is, biformib. 20 aul 25 sctiformib. subradiantib. albidis, duas au( (res lin. 

 longis, ccn(ralib. 12 au( 15 validiorib. fusco-roseis rec(is, ad imum vix dejecds, 

 subaequalibus 5 aut G iineas iongis, ad basin paruin subula(is. — Uabital ? 



174. M. ALL.4C0THELE Lem. 1. c. 8. f — Ovalo-pjramidaiis, vertice vix impressa: 

 mammiliis clongatis, obsolete triangularib. inaxime ct obiique ad apicem obtusa- 

 (is, confertis erectis, ad coelum omnib. versis, fere poilicem al(is, ad basin la(is- 

 simis, el ad imam plantam densi(ate contractioneq. pineain nuccm quasi fingen- 

 tib., iongitudinaiiter in facie superinri sicul ac in infcriori sulco, supra longo, 

 infra brevissimo, notalis; areoiis rolundis, in oliliquiim sitis, tomento brevissimo 

 albido instructis; axillis lanatis ; aculcis 7 aul 8 radiantib. inaequalib. 3-Gve lineas 

 longis , summis longiorib., uiio centrali poliicari, innmo minimo in mammillae 

 sulco infcriori sicut abscondito, omnib. rectis rigidis grisco-fuscis.. — Mexico. 



>?. sulcimamma Pfciff. in Otto et Diclr. Aiigem. Gartenztng. VI. 274. — Cjlindrica 

 gracilior simplicissima: verrucis longiorib. anguslioribusq.; glanduiis paiiide 

 carneis; aculeis numerosiorib. paiiide sulphureis. — M. aulacothele var. 7nul- 

 tispina Sclieidw. Buliet. de TAcad. de Bruxelles VI. no. 2? 



175. M. BIGLANDULOSA Pfeiff. in Otto et Dietr. Allg. Gar(enz(ng. VI. 274. — Sub- 

 cyiindrica (inlerdum biceps) iacte cocruico-virens; axiliis glandulis 2 (rarius 1) 

 laleralitcr sibi adposids, carneis v. sanguincis, annulo albo (omentoso cinclis, 

 instructis; mamraiilis ereclis eiongatis obluse conicis, basi rhomboideis; areolis 

 infraapicalib. subnudis, saepe glandula carnca ioco aculei summi instructis; acu- 

 leis extcriorib. 9-10, juniorib. corneis, apicc fuivis, tandcm fuivo-cincreis sub- 

 aequalib. radianter palcnlib., centralib. 2 rigidiorib. fulvis, basi incrassatis, altero 

 erecto, altcro iongiore horizon(aiiter prominen(e. — In Mexico. 



176. M. GRACILIS Pfeitf. in Otto et Dietr. Aiigem. Garlenztng. VI. 275. — Cylindrica 

 gracilis prolifera: axiliis nudis; maramillis brevib. ob(use conicis; areoiis subnu- 

 dis; aculeis 10 radianlib. sedformib. albis, cen(ralib. 2 rigidiorib. longiorib. aibis 

 V. fuscis, saepe dericienlibus. — In Mexico. 



177. IVI. NOBILIS Pfeiff. in Otto et Dietr. Allgem. Gartenztng. VIIL 282. — Colum- 

 naris, tandem e lateribus prolifera glauco-viridis: axiliis albo-tomentosis; mam- 

 millis confeitis conicis; areolis ovalib., juniorib. dense albo-tomentosis; aculcis 



