62 



the cactaceae. 



2. Echinopsis mirabilis Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 489. 1905. 



Simple, cylindric, 12 to 15 cm. high, 2 em. in diameter, dull yellowish green; ribs 11, slightly 

 undulate; areoles minute; spines all straight; radial spines 9 to 14, slender; central spine solitary, 

 erect, 10 to 15 mm. long; flowers borne near the top of the plant, inodorous, 1 1 to 12 cm. long; inner 

 perianth-segments white, acuminate; scales on ovary and flower-tube very woolly in their axils, 

 thin, scarious at base, almost filiform, 8 mm. long; outer perianth-segments similar to the scales but 

 longer; fruit 3.5 to 4 cm. long, 5 to 6 mm. in diameter; seeds globular, 1.5 mm. in diameter, with a 

 depressed hilum. 



Fig. 80. Echinopsis meyeri. 



Pig. 81. Echinopsis mirabilis. 



Type locality: Near Colonia Ceres, province of Santiago del Estero. 

 Distribution: Known only from province of Santiago del Estero, Argentina. 

 This plant is called flor de la oracion. 



Besides photographs of the type Dr. Spegazzini has presented us with a fruit from the 

 type plant. 



Figure 81 is from a photograph contributed by Dr. Spegazzini. 



3. Echinopsis forbesii (Lehmann) A. Dietrich, Allg. Gartenz. 17: 193. 1849. 



Echinocactus forbesii Lehmann in Walpers,* Repert. Bot. 2: 319. 1843. 

 Echinopsis valida Monville in Salm-Dyck, Cact. Hort. Dyck. 1849. 181. 1850. 

 Echinopsis valida forbesii R. Meyer in Schumann, Gesamtb. Kakteen 239. 1897. 



*Walpers says: "F. A. Lehm. in Terscheck, Suppl. Cact. 2." Forster (Handb. Cact. 520- 1846) used Echinopsis 

 forbesii Hort. Angl. as a synonym of Echinocactus forbesii, but hardly publishes it. 



