NEOMAMMILLARIA. 83 
yy 19. Neomammillaria seitziana (Martius). 
> Mammillaria seitziana Martius in Pfeiffer, Enum. Cact. 18. 1837. 
ammullarta foveolata Mihlenpfordt, Allg. Gartenz. 14: 372. 1846. 
Cactus foveolatus Kuntze, Rev. Gen. Pl. 1: 260. 1891. 
Cactus seitzianus Kuntze, Rev. Gen. Pl. 1: 261. 1891. 
Solitary or somewhat proliferous at base, cylindric, 12 cm. high; tubercles green, conic, somewhat 
angled; axils of tubercles woolly; areoles at first white-woolly, becoming glabrate; spines 4,* the 
upper and lower longer than the lateral; flowers rose-colored, about 25 mm. long; outer perianth- 
segments olive colored; inner perianth-segments linear, lanceolate, white, nerved with red; stamens 
white; stigma-lobes 6. 
Type locality: Ixmiquilpan, Mexico. 
Distribution: State of Hidalgo. 
We have not seen this species and hence our description is compiled. 
Fic. 75.—Neomammillaria sartorii. 
Mammillaria senckena and M. sencket are two names listed as synonyms of this species, 
but we do not find that they have ever been published. Wee sass 
Illustration: Pfeiffer and Otto, Abbild. Beschr. Cact. 1: pl. 8, as Mammillaria settziana. 
Figure 74 is reproduced from the illustration cited above. 
20. Neomammillaria ortegae sp. nov. 
Simple to short-clavate, 5 to 8 cm. in diameter, ; ; 
(8 to to mm. long), broader at base, obscurely 4-angled, somewhat pointed, very woolly but not 
setose in their axils; spines all radial, 3 or 4, more commonly 4 (sometimes witht con small add one 
spines or bristles, perhaps deciduous), spreading, straw-colored, 6 to 10 - tong, ° , 
fruit clavate, 1 cm. long; seeds numerous, small, angled, brown. 
light green, lactiferous; tubercles rather short 
- oa +00. j d 1922. 
Collected by J. G. Ortega in Sinaloa, Mexico, in 1921 an a 
Figure 76 shows the type specimens as photographed in the U. S. National Museum 
under the direction of A. J. Olmstead. 
* Schumann says central spines yellow. 
