SECTION II 
Plants Dangerous in Pasture or on the Range 
The plants in this division are more numerous than 
those of the preceding, in spite of the facts to which at- 
tention was directed. (See p. 17). Several circumstances 
are to be considered in this connection. Some poisonous 
plants thrive in early spring and are shrivelled and gone 
before the time for cutting hay arrives. Others lose much 
of their poisonous character with maturity, and some 
contain volatile poison which evaporates and is lost dur- 
ing the curing of the hay. In addition to these there are 
numerous poisonous plants which are never cut with hay 
but are often found in pasture and eaten by animals with 
fatal results. 
GRASS FAMILY—Gramineae. 
THE SORGHUMS—Andropogon spp. 
The Sorghums are important forage plants and are 
wholesome under most conditions. In certain cases, how- 
ever, they develop hydrocyanic or prussic 
Examples and acid, a most deadly poison. Literature on 
Conditions of ‘ 
Roienninte the subject records many cases of sudden 
and violent deaths. One example given by 
Glover and Robbins will serve for illustration: “At 
’ Brighton, Colorado, thirty-two cows, after being kept in 
the corral over night, were turned into a field of Kaffir 
Corn of not over two acres. ... Twenty-one of them 
were dead in half an hour, and four of the others were 
badly affected.” 
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