+ 
29 
Madia sativa. Tarweed. (Fig. 25.) 
A rank-growing annual, native to both Chile and California, "n has been didus 
ended as furnishing an excellent summer sheep forage. The 
with a viscid senator and the plant has a rank odor. Its chief merit is its 
rapid growth. It is cultivated in the arid Southwest id California, and makes 
m lata tht 1 4 24.1 p, a 4 1 A 11 A1 1 2 42 3.3 E T M i 
XA oS 
from the seeds. 
Manihot aipi. Sweet cassava; Cassava. (Fig. 26.) 
A spurge, native of the Tropics, 3 cultivated in the West Indies, Central and 
South America, and to a les ent in Florida and California. It is a rapid 
grower, with rank, bran 1 erect stems 4 or 5 feet high, large, seven-parted, 
me Rives leaves, and horizontal fleshy roots or tubers 3 to 5 feet long and from 
o 24 inches in diamete 
5 thrives in loose, PER 
sandy loams, and pro- 
duces from 6,000 to 8,000 
pounds of roots per acre 
on soils of average fertil- 
ity, to 10,000 or 20,000 
pounds on fields that have 
received a 1 amount 
of fertilizers. The roots 
are fed whole or sliced to 
nd over 
per cent of Fordern 
On account of the small 
amount of flesh formers 
contained in the roots, 
they should be fed with 
some nitrogenous food to 
make up the deficiency. 
à ^ Aere 
ACE 
a E mr aay ae thie 
two or three eyes or buds. 
These are planted in hills Fi6. 26.—Cassava (Manihot aipi). 
4 feet apart each way, and 
the rows rolled, to pack the earth around the cuttings and prevent their drying 
out. The roots should be dug only as fast as they can be used, as they rot very 
quickly when exposed to the air. 
AS denticulata. Burclover; Medick clover; Medick bur; Toothed medick. 
An annual clover, a of the Mediterranean region, which has become naturalized 
in most warm c It was early introdneed into California, and has become 
widely bean in Gai State and in the grazing regions of the Southwest. 
It is not as nutritious nor as palatable as either alfalfa or clover, but fills in the : 
season when other more important forage plants have become dried up by the 
summer heat. Stock of all kinds fatten upon the burs, which they pick from 
the plant while it is growing, and search for on the ground after the foliage has 
become completely dry and dead. It flourishes best in moist valleys € one : 
the coast where there is abundant rain, from January to June. Ita curs 
PS 
