148 THE CACTACEAE. 



171; Rev. Hort. Belg. 40: after 186; Tribune Hort. 4: pi. 139 (these four illustrations are 

 all from the same source) ; Mollers Deutsche Gart. Zeit. 25: 475. f. 8, No. 25; Monatsschr. 

 Kakteenk. 29: 81, as Mammillaria hocasana cristata. 



Plate XIV, figure 2, shows a plant, collected by S. S. Hordes in 1915, which flowered 

 in the New York Botanical Garden, May 11, 1916. Figure 163 shows a plant received from 

 San Luis Potosi through Mrs. Irene Vera in 1912. 



119. Neomammillaria multiformis sp. nov. 



Cespitose, forming dense clumps, sometimes 25 or more from a single root, either globose or 

 much elongated and 3 to 6 times as long as thick; tubercles terete, 6 to 8 mm. long, their axils 

 bearing long white bristles and white wool; radial spines 30 or more, acicular, 8 mm. long, yellow 



Fig. 164. — NeomammiUaria multiformis. 



or at least becoming so, ascending; central spines 4, a little longer and stouter than radials, 

 nearly erect, reddish in upper part, one of them strongly hooked; flowers deep purplish red, 8 to 

 10 mm. long, usually broader than long; innner perianth-segments oblong, acute; filaments red; 

 fruit nearly globose, at least when dry; seeds black. 



Collected by Dr. B- Palmer at Alvarez, near San Luis Potosi, Mexico, in May 1905 

 (No. 591, type, and No. 592). 



Figure 164 is from a photograph made from Dr. Palmer's specimen just after it was 

 received in Washington. 



120. Neomammillaria scheidweileriana (Otto). 



Mammillaria glochidiata sericaia Lemaire, Cact. Gen. Nov. Sp. 40. 1839. 

 Mammillaria scheidweileriana Otto in Dietrich, Allg. Gartenz. 9: 179. 1841. 

 Mammillaria wildiana rosea Salm-Dyck, Cact. Hort. Dyck. 1849. Si. 1850. 

 Cactus scheidweilerianus Kuntze, Rev. Gen. PI. i : 261. 1891. 

 Mammillaria monancislria* Berg in Schumann, Gesamtb. Kakteen 533. 1898. 



* The publication of Mammillaria monancislria is usually referred to Forster's Handbuch (254. 1846), but the 

 name occurs there without description. 



