( 3642 ) 
MAMMILLARIA ATRATA. DARK-GREEN 
MAMMILLARIA. 
KEKE EEEREE EEE EEE 
: Class and Order. 
Tcosanpria. Monoeynia. 
( Nat. Ord.—Cacrez. ) 
Generic Character. 
Calycis tubus ovario adherens, lobi 5—6 colorati fructum 
juniorem coronantes. Petala 5—25 a calyce vix distincta, 
eo longiora et eum sepalis in tubum concreta. Stamina 
filiformia pluriserialia. Stylus filiformis. Stigma 3—7- 
- fidum radiatum. Bacca levis oblonga. Semina nidulantia. 
Cotyledones minute acuminate.—Suffrutices carnosi subro- 
tundi aut cylindracei, lactescentes aut succo limpido repleti, 
aphylh, tuberculis subconicis mammeformibus spiraliter dis- 
positis, apice spinulas radiantes et tomentum demum deci- 
duum gerentibus obtecti.- Flores enter basin mammillarum 
sessiles, sepius-in zonam transversam dispositi. Bacca 
obovata edulis, calyce:marcescente demum. deciduo, coro- 
nata. Pferff. 
Specific Character and Synonym. 
Mamnittaria atrata; simplex ovali-cylindracea, crassa, 
mammillis grossis conicis subobtusis inferioribus com- 
ee apice obtusis, areolis albo-villosis setosis, acu- 
eis semiuncialibus rigidiusculis strictis subaqualibus 
patentibus rufis demum albis, floribus sub apice inser- 
tis copiosis, petalis Se eg patentibus. 
Mammittaria atrata, Hort. Mack. sae 
A beautiful plant, from the choice collection of Mr. 
Mackie, at Lakenham, near Norwich, where, by that gen- _ = 
tleman’s skilful management, it flowers in very high perfec- 
tion. It will be seen by Preirrer’s useful “ Enumeratio 
‘~ 
Cactearum,” 
