XC. EUPHORBIACEiE 
445 
surrounded by the male flowers : perianth none ; ovary 3-eelled, 
stalked, protruding from the involucre ; styles 3, usually branched, 
the tips spreading or recurved. Capsule globose, 3-lobed, 
splitting into 3 two-valved, one-seeded cocci. 
Leaves opposite. Involucral glands with a petal-like 
border. 
Glands green. Styles short. 
Leaves |-1 in. long . . . . . 1. E. hypericifolia. 
Leaves £ in. long . . . . 3. E. thymifolia. 
Glands purple. Styles long . . . . 2. E. Emodi. 
Leaves alternate. Involucral glands not bordered. 
A cactus-like shrub. Branches 5-angled. Involucres 
in cymes . . . . . . . 4. E. Royleana. 
Herbs. Branches round. Involucres usually in 
umbels. 
Glands rounded, entire. 
Styles united for about half their length . . 5. E. pilosa. 
Styles free to the base 
Glands crescent-shaped. 
Leaves obovate-spathulate 
Leaves linear or oblong . 
1. Euphorbia hypericifolia, 
Linn. ; FI. Br. Ind. v. 249. A 
glabrous or slightly pubescent, 
annual herb ; stems 6-16 in., erect 
or ascending, sometimes decum- 
bent. Leaves opposite, shortly 
stalked, oblong, i--lx|-| in., tip 
rounded, base rounded or cordate, 
margins toothed except near the 
bottom. Involucres minute, in 
terminal or axillary cymes often 
with 2 floral leaves at their base ; 
teeth 4 ; glands green, conspicuously 
bordered by a white or pale pink, 
rounded limb. Styles very short. 
Capsule pubescent ; seeds smooth. 
(Fig. 145.) 
Simla ; April-October. — Throughout 
India, ascending to 4000 ft. — All tropical 
regions except Australia and the Pacific 
islands. 
2. Euphorbia Emodi, Hook. f. ; 
FI. Br. Ind. v. 250. An annual 
herb, usually hairy ; stems 4-10 
in., straggling from the base, as- 
cending or decumbent, often purple. hypekicifolia. 
Leaves opposite, nearly sessile, 
oblong, J-| in., tip obtuse, base very unequal, margins toothed. 
Involucres minute, axillary, 4-toothed ; glands purple, conspi- 
. 6. E. Helioscopia. 
. 7. E. Maddeni. 
. 8. E. prolifera. 
