112 the; cactaceae. 



Figure 114 is from a photograph of the plant received from Haage and Schmidt in 

 1920, referred to Ubove. 



67. Neomammillaria mundtii (Schumann). 



Mammillaria mundtii Schumann, Monatsschr. Kakteenk. 13: 141. 1903. 



Solitary, so far as known, globose, 6 to 7 cm. in diameter; tubercles not milky, nearly terete, 

 dark green, rather short and stubby, their axils naked ; spine-areoles circular, somewhat lanate when 

 young; radial spines 8 to 19, swollen at base, spreading or somewhat curved backward, 6 to 8 mm. 

 long, brownish when young, the tips usually darker; central spines 2, a little stouter and longer than 

 the radials, porrect; flower from toward the center of the plant, 2 cm. long. 



Type locality: Not cited. 



Distribution: Mexico, but known only from cultivated plants. 



We know this plant from a specimen sent to Washington in 1921 by W. Mundt, in 

 whose honor the species had been named. 



Illustration: Monatsschr. Kakteenk. 13: 142, as Mammillaria mundtii. 

 Figure 113 is a reproduction of a photograph sent us by L. Quehl in 1921. 



Fig. 116. — Neomammillaria celsiana. 



68. Neomammillaria celsiana (Lemaire). 



Manunillaria celsiana Lemaire, Cact. Gen. Nov. Sp. 41. 1839. 

 Mammillaria miiehlenpfordiii Forster, AUg. Gartenz. 15: 49. 1847. 

 Mammillaria schaeferi Fennel, Allg. Gartenz. 15: 66. 1847. 

 Mammillaria schaeferi longispijia Haage, Hamb. Gartenz. 17: 160. 1861. 

 Cactus muehlenpfordtii Kuntze, Rev. Gen. PL i: 260. 1891. 

 Cactus celsianus Kuntze, Rev. Gen. PL i: 261. 1891. 

 Cactus schaeferi Kuntze, Rev. Gen. PL i: 261. 1891. 

 {?) Mammillaria perringii Hildmann, Gartenwelt 10: 250. 1906. 



Plant-body subglobose, becoming cyhndric, 10 to 12.5 cm. high, 7.5 cm. in diameter, deep 

 green ; axils of tubercles woolly ; tubercles conic, compact ; spine-areoles small, round, woolly when 

 young; radial spines 24 to 26, about equal, white, setaceous ; central spines 4 to 6, rarely 7, somewhat 

 longer than the radials, terete, rigid, pale yellow, more or less recurved and unequal, 8 to 16 mm. 

 long; flowers red; fruit described as green. 



Type locality: Not cited. 

 Distribution: Southern Mexico. 



In 1920 Professor Conzatti sent us two specimens from the District of Cuicatlan, 

 Oaxaca, which we refer here; these are the only plants of this species we have seen. 



i 



