EUPHORBIALS. 82 SPURGEWORTS. 
1. M. perennis Linneus.—(Doe Mercury.) Fig. 123. 
Leaves ovate-oblong or lanceolate; female flowers on long stalks. 
Habitat. Waste places and plantations. 
Quality. Very poisonous. < a 
Uses. A dangerous emetic, 
2. M. annua Linneus. 
Leaves ovate-lanceolate or ovate; female flowers nearly sessile. 
Habitat. Waste places among rubbish. 
Quality and Uses. As in the last, but more mild. 
JanrpHa. Kunth. 
seat campanulate, 5-parted. Stamens 10, distinct, alternately shorter. 
oe tagmas 3, many-lobed. Frwit 3-celled, with solitary seeds. 
- J. Manihot Kunth. Jatropha Manihot Linneus. Manihot utilissima 
: Pohl.—(Manpioc Prayt.) Fig. 124, oe 
Root large, tuberous; leaves stalked, palmate, with lanceolate acuminate 
_ entire segments, glaucous beneath, — 
Fh Brazil. 
lity. Recent juice narcotic, acrid ; feecula nutritious, emollient, demulcent. 
Uses, The fieculs forms eassava, tapioea, light digestible substances. pou 
Croton. Linneeus. 
Calyx 5-parted. Petals 5 in the males. Stamens 10 or more, distinct. 
oe Fig. 123.—Mercurialis nnis ; : . 
% Memes pe i 3; ¢, male flower magnified ; d, female flower dittes 
