NEOMAMMILLARIA. 



145 



Figure 159 is from a photograph of the specimen collected by Dr. Rose in 1908 at the 

 type locality. 



113. Neomammillaria mercadensis (Patoni). 



Mammillaria mercadensis Patoni, Alianza Cientifica Universal i: 54. 1910. 

 Mammillaria ocamponis Ochoterena, Bol. Direccion Estudios Biol, 2: 355. 1918. 



Solitary or cespitose, small, globose; radial spines numerous, sometimes 25, widely spreading, 

 white; central spines 4 or 5, elongated, much longer than the flowers, one of them strongly hooked 

 at apex; flowers small, pale rose-colored; perianth-segments oblong, obtuse. 



Type locality: Cerro de Mercado, Durango. 



Distribution: Durango, Mexico. 



We know this plant only from descriptions and illustrations. 



Fig. 159. — Neomammillaria barbata. 



Illustrations: Alianza Cientifica Universal 3: pi. facing 223, as Mammillaria barbata; 

 Bol. Direccion Estudios Biol. 2: facing 356, as Mammillaria ocamponis. 



Figure 160 is from a photograph of the type plant, which has the same origin as the 

 illustrations cited above. 



114. Neomammillaria kunzeana (Bodeker and Quehl). 



Mammillaria kunzeana Bodeker and Quehl, Monatsschr. Kakteenk. 22: 177. 1912. 

 Mammillaria bocasana kunzeana Quehl, Monatsschr, Kakteenk. 26: 46. 1916. 



Cespitose, globose or sometimes becoming cylindric, light green; tubercles cylindric, setose 

 in their axils; radial spines about 25, white, setaceous; central spines 3 or 4, brown, puberulent, 

 one of them hooked; flowers white or yellowish white, rose-colored on the outside, 2 cm. long; 

 inner perianth-segments acuminate; stigma-lobes 4, whitish yellow. 



Type locality: Mexico. 



Distribution: Mexico, but range unknown. 



This species is dedicated to Dr. Richard Ernest Kunze (1838-1919), who was an en- 

 thusiastic student of cacti and for many years a resident of Phoenix, Arizona. He sent 

 the plant to Germany in 19 10. 



