NEOMAMMILLARIA. 85 
23. Neomammillaria gigantea (Hildmann). 
Mammillaria gigantea Hildmann in Schumann, Gesamtb. Kakteen 578. 1808. 
Solitary or cespitose, depressed-globose, 10 cm. high, 15 to 17 cm. in diameter: axils of tubercles 
lanate; radial spines 12, subulate, white, 3 mm. long; central spines 4 to 6, stout, 2 cm. long, curved, 
yellowish brown; flowers yellowish green. 
Type locality: Guanajuato, Mexico. 
Distribution: Known only from the type locality. 
Mammiullaria macdowellit Heese and M. guanajuatensis Riinge are two names referred 
here by Schumann (Gesamtb. Kakteen 578. 1898), but they were not published. 
Plate x1, figure 3, shows a plant in fruit, collected by Dr. Safford at the type locality. 
24. Neomammillaria peninsularis sp. nov. 
Plants solitary or in clusters, deeply seated in the ground, more or less flat-topped, bluish green, 
the stems and tubercles very milky; tubercles erect, pointed, 4-angled, pale green; radial spines 4 to 8, 
Fic. 78.—Neomammillaria scrippsiana. 
Fic. 77.—Neomammnillaria meiacantha. 
‘ . , . Pa . > j fe 
nearly erect, short and pale with brown tips, one sometimes nearly central; axils of tubercles bearing 
_ sJe , » center: 
long wool but in age naked; flowers 1.5 cm. long, arising irom aivriaheta Dut near the cone ‘ 
- reddish; inner perianth-seg ‘ , a ate, 
or light ‘yellow vith arose marein le longer than stamens; stigma-lobes green, 
e fo) 
or light yellow with erose margins; stamens pale; sty 
linear. 
Collected by Dr. Rose at Cape San Lucas, Lower California, March 23, 1911 (No. 163 77): 
25. Neomammillaria flavovirens (Salm-Dyck). 1850 
Mammillaria flavovirens Salm-Dyck, Cact. Hort. Dyck. 1849. 117. 50. 
se, globose or short-cylindric, 6 to 8 cm. high, light or 
i ; spito . . . ate: ce 
Either solitary or somewhat cesp led: axils naked; radial spines 5, slender, subulate; central 
’ a ’ 
yellowish green; tubercles somewhat 4-ang ; . 
spines solitary, porrect; flowers white, streaked with rose. 
Type locality: Not cited. 
Distribution: Mexico. 
The above description is compiled, since the species is not otherwise known to us. 
