NEOMAMMILLARIA. III 
Figure 112 is reproduced from the first illustration cited above. Nicholson recorded 
the receipt of the plant figured by him from Haage. 
64. Neomammiillaria perbella (Hildmann). 
Mammillaria perbella Hildmann in Schumann, Gesamtb. Kakteen 567. 18098. 
Solitary or somewhat cespitose, depressed-globose, glaucous-green; tubercles short-conic, 
their axils lanate; radial spines 14 to 18, 1 to 1.5 mm. long, setaceous, white; central spines 2, very 
short (4 to 6 mm. long); flowers 9 to 10 mm. long, reddish; stigma-lobes red. 
Type locality: Mexico. 
Distribution: Mexico, but range unknown. 
We know this species from description only ;Schumann placesit near Mammillaria donatii. 
Fic. 115.—Neomammillaria collina. 
Fic. 114.—Neomammiillaria donatii. 
65. Neomammillaria collina (J. A. Purpus). 
Mammillaria collina J. A. Purpus, Monatsschr. Kakteenk. 22: 162. 1912. 
. di : tubercles cylindric, 
Solitary, globose, 12 to 13 cm. in diameter, somewhat depressed at Apex; 
I cm. long or less, woolly in their axils; radial spines 16 to 18, white, 4 mm. rong central spines I or 2, 
longer than the radials; flowers rose-colored, 1.5 to 2 cm. long; fruit 2 cm. long, red. 
Type locality: Esperanza, Puebla, Mexico. 
Distribution: Puebla, Mexico. a 
We refer here specimens collected near the type locality in 1912 by Dr. ke Purpus. 
Illustrations: Monatsschr. Kakteenk. 23: 99; Grassner, Haupt-Verz. Kakteen 1914: 
28, as Mammillaria collina. 
Figure 115 shows a plant sent by Dr. Purpus to Washington. 
66. Neomammillaria donatii (Berge). h ; 
Mammillaria donatii Berge in Schumann, Gesamtb. Kakteen Nachtr. 135. 1903. 
Usually simple, stout and globose, but sometimes cespitose, glaucous green tubercles small 
conic, naked in their axils; radial spines 16 to 18, 8 mm. long, glassy ehite sp 3 , 
10 mm. long; flowers reddish, 15 mm. long; style and stigma-lobes white. 
Type locality: Mexico. 
Distribution: Mexico. oo, . . . 
We do not know the exact type locality or distribution of this plant. It 1s now in the 
trade and we recently obtained a specimen from Haage and Schmidt. 
