CACTUS FAMILY. Cactaceae. 
deep pink, with a whitish pistil, yellow anthers, and 
crimson filaments. The joints have a strong fishy smell, 
when cut, and are dotted with tufts of small, brown bristles, 
exceedingly unpleasant to get in one’s fingers. This is 
rare and grows at the Grand Canyon. Prickly pears usu- 
ally have yellow flowers and long spines. 
: There are fifty or more common kinds 
Common Prickly ; 
Bak: of Prickly Pear, many of them as yet un- 
Opiintia described and little known. They have 
Yellow flattened joints and yellow flowers, like 
Spring, summer the one illustrated, which is typical, often 
Southwest 2 : 
measuring three or four inches across, the 
petals variously tinted outside with salmon, rose, and 
brown. 
There are many kinds of Cactus, round, cylindrical, or 
oval plants, covered with knobs, bearing clusters of spines, 
those of some species having hooked tips. They may be 
known by their smooth fruits, without scales or spines. 
A quaint little plant, often no bigger 
than a billiard ball, with long, blackish, 
Pincushion Cactus 
Cactus Gradhami 
(Mamillaria) hooklike spines, projecting from stars of 
Pink smaller spines. The flowers are pink and 
Spring the berries are smooth, fleshy fingers of 
Arizona 
brightest scarlet, edible, pretty and odd. 
Sometimes we see one of these prickly little balls peeping 
from under a rock and again we find them growing in a 
colony, looking much like a pile of sea-urchins. This 
grows in the Grand Canyon, and there are similar kinds in 
southern California. 
There are many kinds of Cereus, with cylindrical or oval 
stems, from a few inches to forty feet tall, not jointed, with 
ribs or rows of knobs, running lengthwise, and clusters of 
spines. 
These tree-like plants are wonderfully 
Swi bre sie dignified and solemn in aspect, with none 
Sahuaro ? 
Cereus giganteus of the grotesque or ferocious effect so com- 
White mon among their relations. They grow in 
Spriag, summer numbers on the mountain slopes around 
Arizona : 3 . 
Tucson and are easily recognized by their 
size and very upright form, rearing their thick, cylindrical 
branches straight up in the air, to a height of thirty or 
forty feet. They are smooth and light green, armed with 
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