05.1220 
Mamillaria 
Plant flowering May 8, 1912; globose, 2 cm. high, 2.5 cm. in diameter 
tubercles cylindrical, plump, green, bearing spines, radial about 20 
to 
rmii 
one sta 
long, weak, white, slightly pectinate, centrals 4 golden brown, 
out 2 to 3 mm. with short hook, the other three straight. 
somewhat connivent, about 5 mm. long; 
flowers coming out in small circle 
1.5 cm. long; calyx tube light green. 
axils narrow, naked; flowers sessile, 
near top center 
2 mm. in diameter at 
base, 3 
mm . 
where calyx begins; sepals lanceolate, apiculate, greenish pink with creamy 
about 18 
white edges; petals creamy white, some with slight streak of greenish pink 
in center; ovary almost set into plant body, small, globular; stamens 
8 mm. long 
creamy white; anthers yellowish white; pistil 1 cm. long, pale green; 
stigma lobes 4, greenish yellow 
Another plant bearing same nuiuber flowering April 13, 1912* 
above, save following: 2.6 cm. high, 2.5 cm. In diameter; radial 
same as 
spines 
