ke 100 
y ganas -T have i Cealtiation one of the largest specimens, 
seen by Dr. Wislizenus, which is = foot high. In this neighborhood 
Opuntia Tuna, Mill., was seen for he first time, and this is perhaps the 
most northern limit ‘of that eel diffused species, as well as of 
Ag other « 
Hout Pind vk brie Chihuahua, and from there constantly down to 
. eOpimiia eustnata, n. sp. caule lignoso, erecto, ramulis teretibus vix 
tuberculatis; areolis orbiculatis, albo- tomentosis ; Margine eae seen 
lum setaram brevium fuscarum, inferiore aculeum elongatu 
to sc ame peeieeos Daten: (Ga Dec ck;) per ree nearest to O. 
virgata, H. V., but distinguished by the hc —— spin Appa- 
rently 3 or 4 feet high, ultimate branches 2% to 3 lines in diamines; spines 
single, 14 to 2 inches long, rarely with a veer smaller one, straight, 
more or less deflexed; epidermical sheath yellow = brownish, very loose, 
at last coming* off. ‘Ovary 4 to 5 lines es long; flower 6 to 9 lines in diame- 
ter, pale yellow; with a greenish tinge; stigma conic} with 5 adpressed 
pote: ; fruit 7 to 8 lines = te 
gone etiam 
alibus shtiorOaoets pooabee: cehtralibns er ‘pombe deflexi 
El Paso del Norte. ‘The specimen before me, one of the siccelj is 12 
inches high, and 3h inches below, and 2 inches aleve in diameter; woo! 
Prom E. — and E. caespitosus,* which it resembles, it is distin- 
the agers not appressed spines, the larger morsber and Kae of 
ie bag eas 
n. sp. annua, g tandjiloso-pilosa foliis tis 
pias isang tase: 3-5-7 lobatis, lobis rotundatis, repando- oe 
latis; bracteis bracteis lanceolatis calycem obliqaum, ‘infra - fissum, dimidi 
is 
