ECHINOPSIS. 



65 



Kakteenk. 112. 1907) lists the following as hybrids with this species and E. cyriesii: 

 E. triumphans, E. nigerrima, and E. undulata. Echinopsis roehlandii is figured in the 

 Revue Horticole (85: pi. opp. 304). 



Two varieties, inermis and subinermis, are sometimes given under this species. E. 

 oxygona turbinata Mittler (Labouret, Monogr. Cact. 306. 1853) is considered a hybrid. 



Illustrations: Mollers Deutsche Gart. Zeit. 16: 80; 25: 475. f. 7, No. 3, as Echinopsis 

 lagemannii; Curtis's Bot. Mag. 71: pi. 4162; Edwards's Bot. Reg. 20: pi. 1717; Verh. Ver. 

 Beford. Gartenb. 6: pi. 1, as Echinocactus oxygonus; Schelle, Handb. Kakteenk. 114. f. 49; 

 Cact. Journ. 1 : pi. 6 ; Pfeiffer, Abbild. Beschr. Cact. 2: pi. 4; Mollers Deutsche Gart. Zeit. 25: 

 475. f. 7, No. 2; Gartenwelt 1: 283. 



Figure 82 is from a photograph, contributed by Dr. Spegazzini. 



Fig. 82. Echinopsis oxygona. 



Fig. 83. Echinopsis tubiflora. 



8. Echinopsis eyriesii (Turpin) Zuccarini in Pfeiffer and Otto, Abbild. Beschr. Cact. 1 : under pi. 4. 



i39- 



Echinocactus eyriesii Turpin,* Ann. Inst. Roy. Hort. Fromont 2: 158. 

 Cereus eyriesii Pfeiffer, Enum. Cact. 72. 1837. 

 Echinonyctanthus eyriesii Lemaire, Cact. Gen. Nov. Sp. 84. 1839. 

 Echinopsis pudantii Pfcrsdorf, Monatsschr. Kakteenk. 10: 167. 1900. 



1830. 



Simple or clustered, globular to short-columnar; ribs 1 1 to 18, not tuberculate, rather thin above; 

 areoles circular, filled with white or tawny wool; spines several, 14 to 18, very short, 5 mm. long or 

 less ; flower from the side of plant but above the middle, large, 17 to 25 cm. long; inner perianth- 

 segments white, acuminate; stamens and style shorter than the perianth-segments; scales on 

 the flower-tube small, ovate, brownish, hairy in their axils. 



Type locality: Buenos Aires, according to Pfeiffer. 



Distribution : Southern Brazil, Uruguay, and province of Entre Rios, Argentina. 



The following varieties have been published, some well-known hybrids, others mere 

 forms; var. cristata (Monatsschr. Kakteenk. 2: 27. 1902); vars. glauca and glaucescens 

 (Forster, Handb. Cact. 360. 1846); vars. tettavii and triumphans Jacobi (Forster, Handb. 

 Cact. ed. 2. 626, 630. 1885), sometimes given as Echinopsis triumphans (Monatsschr. Kakteenk. 

 J S- 33- 1905) and var. grandiflora R. Meyer (Monatsschr. Kakteenk. 21: 186. 191 1). Schelle 

 (Handb. Kakteenk. in, 112. 1907) gives the following varieties besides two quadrinomials : 

 major, rosea Link, cristata, phyligera, and duvallii. 



* The reference for this species is usually cited as "Obs. Cact. 58," referring to a paper by Turpin entitled "Obser- 

 vations sur la Famille des Cactees, etc." in three parts which appeared in the above cited volume. 



