136 NEW SPECIES OF MAMILLARIA. 
basi subcuneatis margine revolutis utrinque glaberrimis, 
pedunculis axillaribus solitariis bifloris folio brevioribus, 
floribus: subsessilibus, perigonio 4-fido, lobis rotundatis 
utrinque pubescentibus. 
Has. Bushy places on the Organ Mountains, at an elevation 
of from 5-6000 feet. Fl. March. | 
Frutex 4-pedalis. Folia ad apicem ramulorum approximata, 
14.2 poll. longa, 8-10 lin. lata. Perigonium tubulosum de- 
ciduum. Ovulum.unicum. Stylus brevissimus terminalis. 
Stigma capitatum, echinatum. Drupa ovata, monosperma, 
4 lin. circiter longa. 5 
MoniIMIACE2. 
5863.. Tetratome cinerea; foliis oblongo-ellipticis acuminatis 
basi acutis versus apicem distanter argute serratis margine 
subrevolutis, pedunculis masculis axillaribus fasciculatis 
vel subracemosis trifloris, perigonio campanulato extus 
. cinereo adpresse pilosiusculo quadrifido. 
Has. Woods in the Organ Mountains, at an elevation of 
about 4000 feet. FI. January. 
Frutex 6-pedalis, ramosus. Rami teretes, ad petiolorum 
insertionem compressi. Folia opposita, petiolata, 41 poll. 
longa, 21 lin. lata. Petioli vix 3 lin. longi. Perigonium - 
13 lin. longum, laciniis subæqualibus duabus rotundatis 
acutis, duabus irregulariter inciso-lobatis. Stamina 16 cit- 
citer, serie triplici parieti interiori perigonii inserta, subsessilia. 
Anthere compressæ, subrotundæ, biloculares, loculis circum- 
ferentia dehiscentibus. ue 
Kandy, Ceylon, Sept. 22, 1844. 
A Brief Description of a New Species of MAMILLARIA 
in the Royal Botanic Gardens of Kew; by FREDERICK 
ScnEER, Esq. 
MAMILLARIA VoBuRNENSIS, Scheer. : 
(Distributione Horti Voburnensis percognita). __ 
M. lactescens cylindrica vertice convexa basi et suf l 
prolifera : axillis mox lanatis et setosis ; mamillis brev 
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