x 
26 
Fendleri induces me to place this species here, though the flower 
remains unknown. 
12. C. enneacantuus, E. in Wisl. Rep. : ovato-cylindricus, viridis, 
ceespitosus, 7— 10 costatis; aculeis rectis, radialibus 7-12 (plerum- 
que sub-8) albis, inferioribus longioribus ; centrali singulo (rarius 
2-3) basi bulboso teretiusculo seu compresso angulato albido vel 
stramineo ; ovario pulvillis 25-85 aculeolos 6-12 gerentibus sti- 
‘pato; seminibus tuberculatis. 
In the Rio Grande valley from El Paso to Laredo, and lower down, 
and far into Mexico: fl. April and May. — A very cespitose plant, of 
a wrinkled or withered appearance; 3-6 inches high; spines above 
3-5, below 8-16 lines long; lateral ones intermediate ; central 
spine extremely variable, in smaller specimens terete, in very perfect 
ones elongated, flattened, 8 or 10-15 or 20 lines long. Flowers 
2-3 inches long and equally wide: ovary and tube covered with 
numerous bunches of spines. Fruit about an inch long, edible. 
13. C. srraminevs, E. in B. C. R.: ovato-cylindricus, cespitoso- 
conglomeratus, 11- 13-costatus, lete viridis; aculeis radialibus 7—- 10 
rectis vel curvatis albis subzequalibus, centralibus 3-4 angulatis elon- 
gatis seepe flexuosis ; floribus magnis purpureis ; ovario pulvillis 30 - 
- 40 aculeolos subsingulos gerentibus stipato; bacca magna fasciculis 
aculeolorum elongatorum stipata ; seminibus tuberculatis. 
Mountain slopes, from El Paso to the Pecos and Gila Rivers: fl. 
June. Often from 100 to 200 heads in one hemispherical mass, 
each 5—9 inches high; radial spines mostly 8, $?-—1}, central ones 
2-31 inches long, younger ones dirty yellow and brown, like old 
straw. Flower 3-4 inches long, very full, bright purple. Berry 14 
—2 inches long, luscious. 
14. C. pusivs, E. in B. C. R.: ovato-cylindricus, cespitosus, pal- 
lide viridis, 7-9 costatus ; aculeis radialibus 5-8 albidis, superiori- 
bus szpe nullis, centralibus 1-4 angulatis plus minus elongatis seepe 
curvatis ; floribus pallide purpureis ; ovario pulvillis sub-20 aculeolos 
1~2 gerentibus stipato; bacca minore aculeolata; seminibus tuber- 
culato-scrobiculatis. 
Sandy bottoms of the Rio Grande at El Paso: fl. May and June. 
Stems 5=8 inches high, somewhat cespitose, of a pale green color, 
and a soft flabby texture: ribs broad, fewer; radial spines 6-12 or 
15 lines long; central spines 14-3 inches long, flowers 24 inches 
long, with fewer and narrower petals. Fruit 1-14 inches long, covered 
