302 
EUPHOREIACE^. 
1. EUPHORBIA, Linn. 
Flowers apetalous, monoicous, many male round one female in a 
campanulate involucre. Male flower consisting of one pedicellate 
stamen subtended by a ciliated fimbriated bract. Female flower on 
an exserted usually curved pedicel ; ovary 3-celled ; cells 1-ovuled ; 
styles 3, bifid. Capsule dehiscing septicidally in 3 dry cocci which 
fall from the persistent axis. — Herbs or shrubs of very various habit ; 
leaves entire, opposite or alternate, with or without stipules ; flower- 
heads axillary or in terminal bracteated cymes. Distrib. Cosmo- 
politan. Species 700. 
Leaves stipulate. 
Annual weeds, with opposite leaves, (Anisophyllum). 
Leaves J in. long, with heads of flowers in their 
axils. 
Leaves obscurely toothed. 
Keel of capsule-lobes not ciliated . . . . 1. E. Heyneana. 
Keel of capsule-lobes ciliated with bristles . 2. E. prostrata. 
Leaves distinctly toothed 3. E. thymifolia. 
Leaves 1-1| in. long; heads of flowers in dense 
cymes. 
Stems densely pubescent 4. E. pilulifera. 
Stems nearly glabrous 5. E. hypericilfoia. 
Shrub, with crowded alternate leaves 6. E. pyrifolia. 
Leaves exstipulate. 
Fleshy shrub, with leaves soon deciduous .... * E. Tirucalli. 
Shrub, with wiry woody branches 7. E. daphnoides. 
Annual herbs. 
Leaves sessile, linear 8. E. dracunculoides. 
Leaves petioled obovate * E. Peplus. 
1. XL Heyneana, Boiss. in DC. Prod. xv. 2, 35. A much-branched 
glaucous annual, with filiform densely tufted trailing stems 3-6 
in. long. Leaves oblong, obtuse, % in. long, on very short petioles, 
much more produced and cordate on the lower side at the base ; 
stipules linear, deeply toothed. Heads 1-2 from the axils of the 
leaves of the main stem and on short congested leafy shoots ; peduncle 
as long as the involucre ; involucre J-g in. long, campanulate, glabrous ; 
glands quadrate, obscurely 3-lobed. Capsule -Jy in* each way, glabrous ; 
lobes acutely keeled, not ciliated. Seeds acutely tetragonous, rough. 
Mauritius, teste Boissier. Also Bourbon and tropical Asia. 
2. E. prostrata. Ait. ; Boiss. in DC. Prod. xv. 2, 47. A densely 
tufted annual, with much-branched filiform trailing stems 4-6 in. 
long, pubescent at first, but soon becoming glabrous. Leaves opposite, 
glaucous, on very short petioles, oblong, obtuse, y—| in. long, obscurely 
denticulate, more produced and cordate on the lower side at the base. 
Heads 1-2 from the axils of the main leaves, and on short 
branches from the axils of reduced minute leaves ; peduncles 3-4 times 
as long as the involucre ; involucre minute, turbinate, glabrous, with 
deltoid lobes and round glands. Capsule in. long and broad, the 
