158 



THE CACTACKAK. 



Plate XXVI, figure 4, represents a flowering joint of a plant given to the New York 



Botanical Garden by Frank Weinberg in 1903; figure 5 represents another joint of the 

 same plant. Figure 196 represents a joint of a plant obtained by Professor Carlos de la 

 Torre at Punta de los Molinos, Cuba, in 191 2. 



166. Opuntia cardiosperma Schumann, Monatsschr. Kakteenk. 9: 150. 1899. 



L 

 J 



About 2 meters high, erect, branching; joints narrowly oblong to obovate; rounded at apex, 

 10 to 15 cm. long or smaller in greenhouse specimens, easily breaking apart, pale green, more or 

 less tuberculate ; leaves minute, subulate ; areoles large, i to 2 cm. apart, with white wool, when young 

 having conspicuous secreting glands; spines, when present, i to 4, acicular, stiff, more commonly i or 

 2 from an areole, short, i to 2 cm. long, brownish at first but nearly white when old, porrect or ascend- 

 ing; glochids tardily developing, never conspicuous, brownish; flowers unknown; fruit elongated," 

 pear-shaped, 7.5 cm. long; seeds 6 mm. broad, 2.5 to 3 mm. thick, cordate, gray, with broad yellow 

 margins, woolly on the sides. 



Type locality: At Recoleta, near Asuncion, Paraguay. 

 Distribution: Paraguay. 



Figure' 197 represents joints of the plant sent to the New York Botanical Garden 



from La Mortola, Italy, in 19 13. 



arechavaletai Spesrazzini. Anal. Mus 



1905 



Plants tall,^ i to 3 meters high, much branched; joints flattened, oblong to obovate, 25 to 30 cm. 

 long, green; spines, usually i, sometimes 3, elongated, porrect, up to 9 cm. long, white, flattened; 

 flowers 4.5 cm. long, yellow; stamens and style white; fruit violet-purple, 7 cm. long. 



Type locality: Near Montevideo, Uruguay. 

 Distribution: Argentina and Uruguay. 



Mus. Nac. Montevideo 



mi 



1903 



■:i 



Plant erect, much branched; joints narrowly oblong, 15 to 25 cm. long, 4 to 6 cm. broad, glab- 

 rous, dark green, darker below the areoles; tubercles rather prominent; leaves small; areoles large, 

 filled with white wool; spines, when present, i or 2, very short (5 mm. long), dark-colored; flower- 



^ 



Type locality: In Paraguay. 



gularly 



Estancia Loma 



Named for W. Mieckley 



Illustration: Bluhende Kakteen i: pi. 44. 



169. Opuntia bonaerensis Spegazzini, Contr. Fl. Tandil 18. 1904. 



Opuntia chakensis Spegazzini, Anal. Mus. Nac. III. 4: 519. 1905. 



Two meters high, very much branched; joints spatulate to elliptic-spatulate, 15 to 25 cm. long, 

 green; spmes wantmg or one, short; flowers orange, large, 4 cm. long; fruit obconic, 6 to 7 cm. 

 long, dull purple; seeds 5 to 6 mm. long, subglobose. 



Type locality : Sierra de Curamalal, Argentina. 

 Distribution: Argentina and perhaps Paraguay. 



Opuntia paraguayensis Schumann (Monatsschr. Kakteenk. 9: 149. 1899) accord- 

 ing to Spegazzini, and if so this name would supplant O. bonaerensis. 



Illustration: Anal. Mus. Nac. Montevideo 5: pi. 23. 



The three following, known to us only from descriptions, may belong to this series. 



Opuntia stenarthra Schumann, Monatsschr. Kakteenk. 9: 149. 1899. 



Shrubby, erect or decumbent, creeping over stones or ascending trees; joints thin, narrow, 

 yellowish green, oblong to lanceolate, rounded at base, glabrous; spines either wanting or i to 3 

 from an areole, stoutish, subangular; flowers yellow; seeds woolly. 



Type locality: Estancia Tagatiya, Paraguay. 

 Distribution: Paraguay. 



< 



r" 



r- - 



"u- 



r.:->- 



-.' 



Li- %/ 



^^. 



- ¥ 



\.- 



■Y- 



H J- 



■l'^-X 



' M - I-" 



i- ^' 



^T 



- :>:- 



' "*-"■ 



*^'y 



r'. ' 



T*^ 



. 4 



J , 



r 

 -I 



- "t 



> 



"^^ . A 



\ 



^ 



■-.■'- 



■v 



^,J 



r 



'-.f.'- 



t- 









t 



- r ^, 





-4 





■ ^ 



r 



■ 



T 





J ^ 



t * 



f r 



