CXXII, EUPHORBIACEE (HUTCHINSON AND PRAIN). 445 
Stamens inserted around and at the 
base of the central disk. - 29. DRYPETES. 
Stamens insertedonand amongst the 
folds or lobes of the central disk, 
lobes frequently surrounding the 
base of each filament and re- 
sembling a small fleshy perianth 30. LINGELSHEIMIA. 
Disk outside or between the stamens, 
never central ; styles usually present, 
more or less slender; fruita capsule 31. PHYLLANTHUS. 
Rudimentary ovary present in the male 
flowers. 
Flowers dicecious; rudimentary ovary 
deeply tripartite; disk in the male 
tlowers consisting of separate glands 32. FLUGGEA. 
Flowers monecious; rudimentary 
ovary lobed or subentire; disk 
in the male flowers saucer-shaped, 
entire or undulately lobed. 
Stipules small, lanceolate, mem- 
branous ; lobes of the disk oppo- 
site the sepals; styles divided . 33. CLUYTIANDKA. 
Stipules large and foliaceous, en- 
cireling the branchlet ; lobes of 
the disk alternate with the sepals ; 
styles undivided ; ; . 34. ZIMMERMANNIA. 
TRIBE IV. G@aleariese. Sepals small, slightly imbricate. Petals present, 
two or three times the size of the sepals. Stamens 1-2-seriate (in the African 
species 1-seriate), the outer ones opposite the sepals and alternate with the petals 
#s i Phyllanthee.  Ovule solitary in each cell as in Crotonex. Rudimentary 
SE Seal in the male flower. Flowers (in the African species) in axillary 
ascicles, 
Only tropical African genus. «eg 85 MICRODESMIS. 
: TRIBE V. Crotoneze. Sepals usually small, closed or valvate or imbricate 
in bud, very rarely petaloid. Petals when present free or connate, often longer 
than the sepals. Stamens 1-2-seriate, the ouler alternate with the sepals, or more 
usually central, and Sew ov indefinite, sometimes very many. Ovules solitary tn 
each cell. Cotyledons much broader than the radicle. Inflorescence various, often 
racemose or spicate or paniculate. 
Leaves digitately compound. 
Petals in male flowers 0; calyx shortly lobed, 
open in flower; fruit capsular is 2 . 36. HEVEA. 
Petals in male flower present and connate ; calyx- 
lobes valvate ; fruit indehiscent . - . 87. RICINODENDRON. 
Leavessimple, when digitately lobed (Manihot, Ricinus, 
Macaranga) not divided to the dase. 
Petals in male flowers present. 
Anthers inflexed in bud ; ealyx-lobes valvate or 
slightly imbricate ; male petals free. . 38. CROTON, 
Anthers erect in bud. 
Male ealyx-lobes imbricate. 
Flowers paniculate or cymose. 
