I1O THE CACTACEAE. 
Plate xu, figure 1, shows a plant sent by C. Conzatti from Oaxaca, in 1921. Figure 
110 is from a photograph of the type specimen. 
62. Neomammillaria dealbata (Dietrich). 
Mammillaria dealbata Dietrich, Allg. Gartenz. 14: 309. 1846. 
Cactus dealbatus Kuntze, Rev. Gen. Pl. 1: 260. 1891. 
Globose to short-cylindric, glaucous, more or less depressed at apex but almost hidden by the 
many closely appressed spine-clusters; axils of tubercles and young spine-areoles densely lanate but 
in age glabrate; radial spines about 20, white, short, appressed; central spines 2, much stouter and 
longer than the radials, sometimes 1 cm. long, the upper ones often erect, white below, brown or 
black at tip; flowers small, carmine; fruit clavate, red; seeds brown. 
Type locality: Mexico. 
Distribution: Central Mexico, especially on the pedregal about the City of Mexico. 
We have referred to this species a plant which is very common in the Valley of Mexico 
and which is known in collections as Mammillaria peacockit. The name, first used by 
Riimpler (Forster, Handb. Cact. ed. 2. 286. 1885), was given as a synonym of Mam- 
millaria dealbata. It was offered for sale by Grassner as M. elegans dealbata (Monatsschr. 
Kakteenk. February 1920). 
Illustration: Grassner, Haupt-Verz. Kakteen 1912: 23, as Mammillaria peacockit. 
Plate x1l, figure 3, shows a plant from Mexico, sent to the New York Botanical Garden 
in 1911. Figure 111 is from a photograph of a plant sent by Dr. Reiche from the Valley of 
Mexico in 1922. 
Fic. 112.—Neomammillaria haageana. Fic. 113.—Neomammillaria mundtii. 
63. Neomammillaria haageana (Pfeiffer). 
Mammillaria haageana Pfeiffer, Allg. Gartenz. 4: 257. 1836. 
Mammillaria diacantha Haage in Steudel, Nom. ed. 2. 2: 96. 1841. Not Lemaire, 1838. 
Mammillaria haageana validior Monville in Labouret, Monogr. Cact. 54. 1853 , 
Cactus haageanus Kuntze, Rev. Gen. Pl. 1: 260. 1891. ; 
Somewhat cespitose, the individual plants globose or somewhat elongated in age; axils slightly 
woolly; radial spines about 20, radiating, white; central spines 2, a little longer than the radials, 
black; flowers small, carmine-rose. 
Type locality: Mexico. 
Distribution: Mexico, but range unknown. 
had Pfeiffer (Enum. Cact. 26. 1837) refers here Mammillaria diacantha nigra which Haage 
ad listed in his Catalogue of 1836. Here Pfeiffer also refers M. perote (Allg. Gartenz. 4: 
257. 1836) of gardens. 
Illustrations: Dict. Gard. Nicholson 2: i 
Dict. ; > 321. f. 509; Cact. Journ. 1: 165; Knippel, 
Kakteen f. 21; Férster, Handb. Cact. ed. 2. 284. f. 29; Watson, Cact. Cult. 163. f. 62; 
ed. 3. f. 39; Schelle, Handb. Kakteenk. 26 _ 
Mammillaria haageana. 262. f. 184; Riimpler, Sukkulenten 2o1. f. 114, a8 
