GYMNOCALYCIUM. 165 
Shafer’s No. 103 from Trancas flowered in Washington in June 1920. The flowers were 
erect and the perianth-segments waxy, becoming pinkish; the ribs were strongly tubercled. 
Fic. 178.—Gymnocalycium Fic. 179.—Gymnocalycium 
platense. schickendantzii. 
Illustrations: De Laet, Cat. Gén. f. 19; Schumann, Gesamtb. Kakteen Nachtr. f. 29; 
Schelle, Handb. Kakteenk. ro1. f. 124, as Echinocactus schickendantzti; Monatsschr. 
Kakteenk. 11: 187; Gartenwelt 7: 279; Gard. Chron. III. 33: suppl. plate, as Echinocactus 
delaetit. 
Plate x1x, figure 2, shows a plant collected by Dr. Shafer at Andalgala, Argentina, 
in 1917 (No. 15), which flowered in the New York Botanical Garden in July 1918. Figure 
179 is from a photograph contributed by Dr. Spegazzini, showing a plant from Cérdoba, 
Argentina; figure 181, also from one of Dr. Spegazzini’s photographs, shows another plant 
from Cérdoba. 
Fic. 180.—Gymnocalycium stuckertii. Fic. 181.—Gymnocalycium schickendantzii. 
22. Gymnocalycium stuckertii (Spegazzini). . . 
Echinocactus stuckertii Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 502. 1905. sich: rib 
; .in di ter, 3.5 to4cm. high; ribs 
Plant globose, sometimes depressed, dull green, 6 to 6.5. cm. in diameter, 3.5 
9 to 11, obtuse; spines all radial, pinkish to brown, flattened, puberulent, 1 to 2.5 cm. tong. somes hat 
spreading; flowers 4 cm. long, the tube rather short, inner perianth-segments nearly w ite; scales on 
the ovary and flower-tube scattered, broadly ovate, scarious-margined. 
Type locality: Province of San Luis Potosi, Argentina. 
Distribution: Northern Argentina. 
