OPUNTIA. 



179 



itia undulata Griffiths, Rep. Mo. Bot. Gard. 22: ^2. 



Opuntia tindosa Griffiths, Monatsschr. Kaktcnk. 23: 139. 1913. 



1912 



trunk 



com mo 



. ^1 



35 by 55 cm., firm, hard, quite fibrous, dished, wavy or flat, glossy Hpht yellowish green at first, but 

 changing through a darker green with a slight touch of glaucous to scurfy brown on old trunks; 

 leaves subcircular in section, subulate, pointed, usually tinged with red at the tip, about 4 mm. long, 

 upon a prominent tubercle and subtending a prominent dark-brown arcolc; arcolcs subcircular to 

 ellipsoid or obovate, about 3.5 by 4.5 mm., gray, 5 to 6 cm. apart; spicules yellow in a short, compact 

 tuft in upper part of areole, about 



I mm. long, soon becoming dirty 

 and inconspicuous; spines white, 



few, short, erect, flattened, straight 

 or twisted, 10 to 15 mm. long, i 

 to 3 or 4, mostly one or none; 

 fruit large, 4 to 5 by 9 to 10 cm., 

 dull red to slightly tinged with 

 orange and pulp streaked with red 

 and orange when rind is removed." 



Type locality: Described 

 from cultivated plant obtained 

 at Aguascalientes, Mexico. 



Distribution: Mexico. 



Illustrations: Rep. Mo. Bot. 

 Card. 22: pi. II, in part; pi. 12. 



We have doubtfully referred 

 to this species plants collected 

 by Dr. Rose on the west coast 

 of Mexico, where they were 



some 



from 



from 



— Opu 



vated plants. These speci- 



mens are like this species in having quite glossy joinis 

 not in bloom when seen by Dr. Rose in the spring of i 



Dr. Griflaths has changed his first name. 0. undula 

 name at an earlier time, which was not accompanied, h( 



199. Opuntia lanceolata Haworth, Syn. PI. Succ. 192. 1812. 



Cactus lanceolatus Haworth, Alisc. Nat. 188. 1803. 

 Cactus elongatus Willdenow, Enum. PI. Suppl. 34- 18^3. 

 Opuntia elongata Haworth, Suppl. PI. Succ. 81. 1819. 



The plants were 



account of the use of that 



Plants tall, much branched; joints elongated, 30 cm. long dull gf ^J"; ^.^^^^^^^ 



.. J- ._„^ ' 11. .^:«.. :f 'o^«+ f^w cma . wh te. I cm. long or less; glochids yellow, nowcrs 



areoles distant, small; spines if present few, small, white 

 J^-rge, yellow. 



Type loca 

 Distribuii 



In South America. 

 Known only in cult 



We have combined 



eir 



t-j-- 



1 



being different. 0. lanceolata was first described essentially as follows. 



Joints 



stems 



th many 



coccinellifi 



I lines I'-'Ai^j v7i.v,.»*^ "* " . . . r II 



spines (spicules!*) in fascicles, the shortest of all species 



Haworth calls it the soear-shaped Op 



r than in other spedcs. 

 from W. Anderson 

 He says it pr^ab 



In 1812 



* ' 



b^- 





X 



