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not suited to the northern and north-western States, as it suffers 

 severely from excessive cold. Twenty pounds of seed should be 

 sown per acre. Hay made of crimson clover contains about 13 per 

 cent, of crude protein. To make the best hay, it must be cut when 

 in full bloom ; cut later, there is some danger in feeding it, especially 

 to horses, on account of the bristly hairy bracts of the inflorescence, 

 which form hair balls in the stomach. A number of such cases, re- 

 sulting in considerable loss, have been reported during the past season. 



Trifoliinn involucratum. -An annual one or two feet high, with 

 leafy, branching stems, terminating in from one to three purplish 

 heads. It has a wide range throughout the west. 



Trifolium medium (Cow grass ; cow clover ; large American 

 clover ; mammoth clover ; large clover ; fall clover ; saplin or sapling 

 clover ; pea-vine clover ; meadow clover ; sand clover ; zigzag clover 

 clover trefoil ; medium clover ; early clover ; wavy-stemmed clover 

 zigzag hare clover ; red perennial meadow clover ; soiling clover 

 perennial red clover). A rank-growing perennial, with zigzag stems 

 oblong, entire, spotless leaflets, and stalked heads of purple flowers 

 It is better adapted to wet meadows or marshy lands than is the 

 ordinary clover, and in such places makes a very rank and rapid 

 growth. It has about the same feeding value as red clover, and is 

 well adapted to soiling purposes. Ten pounds of seed should be 

 sown per acre. 



Tri foli u in inegacephaltiin. This wild clover grows in the moun- 

 tains from Montana to California. It is distinguished from red clover, 

 which it somewhat resembles, in having unbranched stems about a 

 foot high, and wedge-shaped five to seven parted leaves which nearly 

 all arise from the base of the stalks. The terminal flower head is 

 about one and a half inches long. It is one of the best native pas- 

 ture plants of that region. 



Trifolium microcephalum. A wild species, very common on 

 lowlands in southern California, and well liked by stock. It should 

 be valuable in cultivation. 



Trifolium minus (Yellow clover). A European annual, exten- 

 sively naturalised in the eastern and southern states in sandy fields 

 and along roadsides. It has a habit similar to that of Japan clover, 

 for which it is often mistaken. It affords a small amount of forage 

 in early summer, but its chief value is that it spreads rapidly over 

 the most barren soils, and thereby prevents the washing away of the 

 surface. 



Trifolium ochroleucum (Sulphur clover). A perennial European 

 species ten to fifteen inches high, with elongated heads of pale 

 yellow flowers. It grows wild upon the driest calcareous soils, and 

 when cut makes a palatable and nutritious hay, which is greedily 

 eaten by cattle. 



Trifolium pannonicum (Hungarian clover). A perennial species 

 indigenous to southern Europe, closely allied to red clover and much 

 earlier, but less readily eaten by stock. 



