ECHINOPSIS. 63 



Usually simple, columnar, claviform, sometimes 1 meter high, 20 cm. in diameter, glaucous- 

 green; ribs 10 to 15, acute, separated by acute intervals; areoles circular, filled with spines and short 

 white wool; spines 8 to 15, the longest 2 cm. long, acicular, straight, pale, nearly white, except the 

 tips, these brown; central spines 1 to several, the longest 3 to 4 cm. long, stouter than the radials. 

 horizontal; young joints borne near the top of the plant, densely covered with yellow and brown 

 spines intermixed with soft white hairs; flowers borne near the top of the plant, about 10 cm. long; 

 inner perianth-segments spreading, lanceolate, acute, white. 



Type locality: Not cited. 



Distribution: Paraguay {fide Weber). 



This species is known to us only from descriptions and illustrations. Schumann 

 follows Meyer in making E. jorbesii a variety of E. valida. We have united the two and 

 taken the older specific name 



The species was named for James Forbes (1773-1861), an enthusiastic student of 

 cacti and gardener for the Duke of Bedford at Woburn Abbey. 



Cereus validissimus Weber (Diet. Hort. Bois 473. 1896) is given as a synonym of 

 E. valida. 



Illustrations: Monatsschr. Kakteenk. 5: 117 ; Palmer, Cult.Cact. 1 5 1 ; Mollers Deutsche 

 Gart. Zeit. 25: 475. f. 7, No. 17, as Echinopsis valida. 



4. Echinopsis huottii (Cels) Labouret, Monogr. Cact. 301. 1853. 



Echinocactus huotli Cels, Portef Hort. 216. 1847. 



Echinopsis apiculata Linkc, Wochcnschr. Giirtn. Pflanz. 1: 85. 1858. 



Plants simple, slender, up to 3.5 dm. high, short-columnar, dull green; ribs 9 to 11, crenate; 

 radial spines 9 to 11, acicular, 2 cm. long or more; central spines normally 4, brown, 4 cm. long, 

 subulate, porrect; flowers lateral, large, 17 to 20 cm. long, white; stamens included, greenish be- 

 low, white above; style green; stigma-lobes 14, green. 



Type locality: Cited as Chile {fide Labouret), but doubtless wrongly. 



Distribution: Bolivia {fide Linke and Schumann). 



It does not seem close to any of the other species. It is quite different from the Boli- 

 vian species collected by Dr. Rose at La Paz, Bolivia, which we have referred to E. 

 bridgesii. (See page 74.) 



We have studied a plant sent to the New York Botanical Garden from the Berlin 

 Botanical Garden in 1902; in this there is only one central spine at each areole. 



Schlumberger (Rev. Hort. IV. 3: 348. 1854) calls this Echinopsis huottii, doubtless a 

 typographical error. 



Cereus huottii Cels and Echinopsis vcrschaffeltii (Diet. Hort. Bois 471. 1896) are 

 given as synonyms of this species by Weber. 



Illustrations: Mollers Deutsche Gart. Zeit. 25: 475. f. 7, No. 11, as Echinopsis 

 apiculata; Schumann, Gesamtb. Kakteen f. 45; Gartenwelt 17: 145. 



5. Echinopsis minuana Spegazzini, Anal. Mus. Nac. Buenos Aires III. 4: 488. 1905. 



Simple or rarely proliferous at base, columnar, 5 to 8 dm. high, 14 to 15 cm. in diameter; ribs 12, 

 straight, a little undulate; spines all straight, dark brown to chestnut-colored; radial spines 4 to 7, 

 short, 2 to 3 cm. long; central spine solitary, stouter than the radials, bulbose at base, 5 to 6 cm. long; 

 flowers large, inodorous, 20 cm. long; inner perianth-segments oblanceolate, 4.5 cm. long; filaments 

 and style greenish white; stigma-lobes 17 or 18, greenish white; fruit subglobose, 4.5 cm. long, 

 greenish red. 



Type locality: Bank of Parana River, province of Entre Rios, Argentina. 

 Distribution: Province of Entre Rios, eastern Argentina. 



We know this species only from description and a photograph taken by Dr. 

 Spegazzini. 



