OPUNTIA. 



211 



Figure 269 

 joint with fruit; 



from 



. r/^ -^''^ . 





' -< 





^ -. 



1 



-1 





-■^ 



-^ - ■ '> 



J , 



'- ■- ^.' 



. ' 





/ V- \ -'- 



^■-i-^'. ■ '"''/^ 





/ . i 



F : ' 



I ■ 



. " _* 







^* - 



Fig. 271. — Opuntia bahiensis. The tree to the left and 



somewhat in the foreground. 



— Opuntia 



' .^ 



Wiss 



1879. 



Opuntia hieronymi Grisebach, Abh. Ges. Wiss. Gottingcn 24: 140. 1879. 



Erect 



terminal branches flat, 5 to 12 cm. long, 3 to 8 cm. broad; ovary 2 to 2.5 cm. long; petals elliptic to 

 spatulate, 1.8 cm. long, 8 mm. broad, greenish yellow; filaments white; style white; stigma-lobe; 

 yellowish green; ovary flattened, tuberculate, deeply umbilicate; fruit clavate, 5 cm. long, dull 

 purplish violet, with wine-colored pulp; seeds lens-shaped, 5 to 6 mm. long, 2.5 to 3 mm. broad. 



Dist 



This 



Near San Andres, 

 Northern Argentina. 



Schumann 



characters. 



from 



furnished by Dr. C. Spegazzini. 



Series 28. AMMOPHHAE. 



One peculiar species, native of Florida, constitutes this 

 series, characterized by a continuous erect subterete trunk, 

 fiat, spiny branches, and large, yellow flowers. 



ammophila Small, J 



1919 



Fig. 27V — Opuiilia amtnopliila. 



Plant erect, more or less branched throughout or ultimately 

 with a stem i to 2 meters tall or more, becoming 2 to 2.5 dm. in 

 diameter, bearing several spreading branches near the top, thus tree-hke, tuberous at tlie base; 

 joints various, those of the main stem elongate, ultimately fused on the ends and subcyhndnc, 

 those of the branches typically obovate or cuneate, varying to elliptic or oval, thickish 5 to 17 cin. 



gra; 



oreen: leaves stout-subulate, 6 to 10 mm. long, green 



