I 



01 



Opuntia i,akvis Coulter. 



"Joints light green, elongate -obovate, 30 cm. long and 10 cm. wide, 

 gradually narrowed below, obtusely pointed above: pulvini small, oval (3-4 

 mm. long), 2.5-3.5 cm. apart, gray-tomentose, with numerous short pale 

 bristles, unarmed : flowers yellow, tinged with red, about 6 cm. broad ; 

 stigmas slender, 8 : fruit somewhat pyriforrn, 5-6 cm. long, deeply umbili- 

 cal, bearing about 40 pulvilli ; seed very irregular, 4-5 mm. in diameter, 

 with thick acute undulate margin. Type, Pringle of 1881 (distributed as 

 O. angustata) in Herb. Coulter. Arizona. Specimens examined: Arizona 

 (Pringle of 1881 ; Palmer 93, 95 ; Coues & Palmer, 247 ; Vasey 247). Be- 

 sides the spineless character, the seeds are about half as large as those of 

 O. angustata, to which species it has been referred." — Coulter, Cont U S 

 Na hb 3:419. 



Opuntia davisii E-B. 



"Caule dense lignoso ramosissimo divaricato ; articulis junioribus 

 erectis elongatis basi attenuatis ; tuberculis oblongo-linearibus ; aculeis in- 

 terioribus 4-7 subtriangularibus rufis vagina straminea laxa indusiatis di- 

 vergentibus ; aculeis inferioribus 5-6 gracilibus ; bacca ovata pulvillis sub- 

 25 aculeigeris stipata. On the Llano Estacado, near the upper Canadian 

 river ; common. Spreading and somewhat procumbent, about 18 inches 

 high ; the only one in this section with dense wood. Joints 4-6 inches 

 long, rather slender; tubercles 7-8 lines long. Interior spines i-i}4 inches 

 in length ; lower ones 3-6 lines long. Fruits (all sterile, and perhaps not 

 properly developed) an inch or more in length." — E, Syn 305 (49). 



Opuntia ki^eini^ DC. 



"Erecta, ramosa, cinereo-viridis, ramis erectis cylindricis etubercu- 

 latis, fascicxilis ordine spirali sinistrorso dispositis, areola velutina, aculeis 

 biformibus, aliis setosis innumeris ex albido rufis, uno maximo inferiore 

 patenti-deflexo gracili albido. Mexico. Coulter, No. 21. Caulis digiti 

 majoris crassitie, caulem Cacaliae Klein'iae referens. Folia minima, oblon- 

 ga, decidua. Aculeus major, pollicaris. Ad priorcm sp. accedit [O. 



decipiens]." — DC. Revue, 118. 



Opuntia grandiflora E: 



"Subadscendens; articulis majusculis; pulvil- 



lis remotis ; setis tenuissimis; aculeis subnullis; fioris grandis ovario elon- 

 gato; petalis sub-10 latissimis; stigmatibus 5; bacca elongata clavata. On 

 the Brazos, Texas. Joints often 5-6 inches long; pulvilli nearly an inch 

 apart. Flowers 4^-5 inches in diameter, red in the center; petals 2 inches 

 long or more, and 1 )/» wide." — Eng. Syn. 295. 



Considered by ling. 1. c. as "probably only a southern variety" of O. 

 raflnesquii. 



Poerst c.23. 



