Casuarina.) CUPULIFER. 985 
Order CXVIII. CASUARINEZA. 
Trees or shrubs; branches woody, branchlets subherbaceous, 
green, cylindric, grooved, jointed, the internodes ending in a short 
eath of connate, subulate scales. Flowers dicecious; males in 
terminal spikes of short, superposed, toothed cups; females in 
Se 
ovoid or globose heads, bracteate and - bracteolate. ¢ Sepals 1 
or 2, concave, circumscissile at the ase. Stamen solitary, in- 
flexed in bud; anther lar ? pm nth 0. Ovary minute, 
ge. 
1-celled ; ovtilok 2, collateral, semi- paral style 2-fid, arms 
filiform, stigmatic to the base. Fruit an oblong or cylindric cone, 
formed of the enlarged, hardened bracts and bracteoles, making 
together 2-valved cavities enclosing the achenes; achenes with 
terminal wings tipped ve the style. Seed by abortion solitary, 
laterally attached; testa membranous; albumen 0; cotyledons 
flat, equal; radicle very seine superior. 
876. Casuarina Forst. 
The only genus. Characters, those of the order. 
989. CasUARINA EQUISETIFOLIA Forst; F. B. I. v. 598. C. muri- 
cata F. I, iii. 519. 
Chittagong, coast. Elsewhere often planted. 
A very tall tree. Beng. Belati-jau. Beef-wood. 
Order CXIX. CUPULIFERZ. 
Trees or shrubs. Leaves simple, alternate, penninerved, ser- 
rate-toothed or entire, tego lobed ; stipules free, often fugaciou 
Flowers minute, monecious; males in erect or pendulous aii 
or spikes, or rarely axeansily capitate ; females spiked, capitate or 
Solitary ; bracts sometimes involucrate. ¢ Sepals 1-5, free or 
connate in a 2-3-, rarely 4-6-celled ovary; ovules pendulous, 
‘natropous, solitary or 2 collateral ; styles or style-arms as 
as the cells. Fruit a nut, included within or in the axil of often 
Sreatly enlarged, sometimes involucrate bracts. Seed pendulous, 
usually by abortion solitary ; albumen 0; cotyledons plano-convex, 
Sometimes rugoge or ruminate ; ; radicle superior. 
