120 ILLINOIS ACADEMY OF SCIENCE 



Distribution: Extending northward probably to At- 

 lanta, Ga. Diffuse and prostrate with young joints ascend- 

 ing or erect. Roots fibrous. Joints moderately thick, ovate, 

 obovate or circular. 4 to 6 cm. wide and 5 to 10 cm. long. 

 Bright green, arcoles tinged purple, tuberculate, causing 

 the margins to become indented and undulate. Specimens 

 dant have borne froui 1 to 3 needle-like spines 5 to 20 mm. 

 long. Variegated or gray with darker tip and base. Wool 

 sparse, light gray bristles in pencilate tufts, dingy yellow 

 to almost gray. Flowers opening yellow shading to orange 

 with brownish center. Fruit long pyriform with shallow 

 umbellicus. 



Opuntia segidna, sp nov. 



Type loc : Seguin, Texas. 



Distribution : Lococit, and surrounding country. 



Prostrate, joints obovate, bright green, moderately 

 thick. Slightly wrinkled and with elevated arcoles. 4 cm. 

 wide by 5.5 cm. long. Wool not apparent. Bristles light 

 brown. Spines 1 to commonly 2, unequal, 12 to 25 mm. 

 long. Variegated or brown with lighter to white tips, 

 sometimes 1 to 2 smaller secondary ones. Flowers yellow 

 with brownish center. Fruit long clavate. 5 cm. long by 

 1 cm. broad, greenish purple, with few low linear tubercles 

 and areoles bearing brown bristles, umbellicus funnel 

 form, seed proportionally large. 3.5 mm. thick, sub-reni- 

 form white, and slightly beaked with the small but broad 

 border. Also frequent in loose sand south of San Antonio. 



Opuntia longiglochia sp nov. (Mackensen, No. 125). 



Type loc : San Antonia, Texas. 



Distribution: Lococit, and southwestward. 



Erect and spreading with age, often forming a dense 

 bush 9 to 12 cm. high. Joints obovate bright glossy green 

 1.5 cm. long and 1 cm. wide. Areoles large, filled with 

 remarkably long, coarse and bristle-like bristles. Brown 

 in crescent form tufts 1 mm. long. Spines 1 to commonly 

 2, compressed and twisted, about 4 cm. long, sulphur yel- 

 low to amber at the base. Fruit clavate, one-half inch 

 thick and two and one-half long. Umbellicus funnel 

 form. Flowers not in perfect condition, apparently light 

 yellow with brownish or redish center, characterized by its 

 remarkably long and brush-like tufts of brown bristles. 



