GYMNOCALYCIUM. 157 
fore, that the yellow-flowered species (G. leeanum), referred here by Schumann, should 
be excluded. 
Illustrations: Schumann, Gesamtb. Kakteen f. 70; Blithende Kakteen 3: pl. 164, as 
Echinocactus hyptiacanthus. 
\ 8. Gymnocalycium saglione (Cels). 
\Echinocactus saglionis Cels, Portef. Hort. 180. 1847. 
Echinocactus hybogonus Salm-Dyck, Cact. Hort. Dyck. 1849. 167. 1850. 
Echinocactus hybogonus saglionis Labouret, Monogr. Cact. 257. 1853. 
Plants simple, globular, often very large, sometimes 3 dm. in diameter, dull green; ribs 13 to 32 
according to the size of the plant, low, very broad, sometimes 4 cm. long, separated by wavy inter- 
vals, divided into large, low, rounded tubercles; areoles 2 to 4 cm. apart, large, felted when young; 
spines dark brown to black, at first ascending, afterwards more or less curved outward, 8 to 10 on 
small plants but on old plants often 15 or more, 3 to 4 cm. long; central spines 1 to several; flowers 
white or slightly tinged with pink, 3.5 cm. long, the tube short and broadly funnelform; inner 
perianth-segments spatulate, acute; scales of the ovary nearly orbicular, rounded, with a scarious 
margin. 
Fic. 165.—Gymnocalycium saglione. Fic. 166.—Gymnocalycium gibbosum. 
Type locality: Catamarca, Tucuman, Argentina. Bolivi 
Distribution: Northern Argentina and perhaps southern Bolivia tlected by P. L 
Our Bolivian reference is based on a living specimen and owers coms od condition 
Porte at Lagunillas, southeastern Bolivia, July 1920, and delivered to " nde in on June 
March 10, 1921; this may or may not belong here; it flowered May 7 and aga 
21, 1921. It may be described as follows: 
Ribs 8, obtuse; flower 3 to 3.5 cm. long; flower-tube proper very short, only 1 to 2 mm. long; 
throat of flower broad, funnelform, 15 mm. long, bearing many Stee pt ace Meta 
tube deep reddish purple; filaments short, purple; style and. sigma obes purpl: 
segments short-oblong, obtuse, ochre-yellow, but drying pinkish. 
According to Labouret, Echinocactus hybogonus which we refer here as a synonym 1s 
a native of Chile, but probably came from Argentina. 
Illustrations: De Laet, Cat. Gén. f. 14, 175 Garten 
pl. 58; Monatsschr. Kakteenk. 12:27, Schumann, Gesam 
Handb. Kakteenk. f. 125, as Echinocactus saglionts. , . 
Plate XVII, figure 2 Shows a plant brought by Dr. Shafer from near Tapia, Argentina, 
in 1917 (No. 94), which flowered in the New York Botanical Carden in May : 9 " 2. Figure 
165 is froma photograph of an Argentine specimen contributed by Dr. speg . 
welt 7: 279; Bliihende Kakteen I: 
b. Kakteen Nachtr. f. 30; Schelle, 
