Subgen. 2. Platopuntia, E. 1. c, Artieuli complanati: flores 
magni: bacca pulposa vel rarius sicca : semina late marginata : em¬ 
bryo plusquam circularis circa albumen parcum spiraliter convolutus: 
| • cotyledones semper contrariae. 
§ 1. Micro carpea: suberectse : aculei plurimi, colorati: bacca parva 
i t subglobosa. 
2. O. Strigil, E. in B. C. R.: suberecta, articulis ovatis orbicu- 
latisve; pulvillis confertis; aculeis 5-8 radiantibus deflexis rufis 
apice flavis ; bacca parva late umbilicata rubra ; seminibus parvis 
anguste marginatis. 
Between the Pecos and El Paso. — Plant 2 feet high ; joints 4-5 
inches long ; spines an inch or less in length. Fruit 6-7 lines long. 
§ 2. Grandes : erectae seu procumbentes: articuli magni: aculei 
pauci, validi, compressi, plerumque colorati: bacca major vel mag- 
na, plerumque ovata. 
* Subinermes. 
3. O. Ficus-Indica, Mill: cultivated south of the Rio Grande, un¬ 
der the name Nopal Castillano. 
# * Flavispince. 
f Erectcc. 
4. ^07- Tuna, -M ill: cultivated about the old missions in the southern 
parts of Upper California, under the name* Tuna. Specimens gath¬ 
ered at Beaufort, on the coast of South Carolina, (probably introduced,) 
may belong here. 
5. O. Engelmanni, Salm : erecta, grandis; articulis obovatis ; pul¬ 
villis remotis setas stramineas rigidas insequales aculeosque 1-3 com- 
pressos stramineos basi rufos gerentibus ; floris flavi intus rubelli ova- 
rio subgloboso; stigmatibus 8-10; bacca obovata late umbilicata; 
seminibus minoribus. 
C. (fly; From the Canadian River to the mouth of the Rio Grande, and 
westward from the Gulf to Chihuahua and El Paso: fl. May and 
June. Plant 4-6 feet high ; joints a foot long or less ; leaves subu¬ 
late, 3-4 lines long ; larger spines 1 - 1J inches long. Flower 2£ 
- 3 inches in diameter. Fruit usually 2 inches long, \\ in diameter, 
juicy, but of a somewhat nauseous taste. Seeds 1| - 2 lines in diam¬ 
eter. A plant observed by Dr. Blackie on Bayou Bceuf, Western Lou¬ 
isiana, 5| feet high, joints 9 inches long, reddish-yellow flowers, is 
probably this species. 
0 1 2 3 4 5 6 7 8 9 10 M.ssobRi 
BOTANICAL 
cm copyright reserved garde n 
