ORDERS OF PLANTS. 5 
dated around a per sistent axis; disk usually 
developed bearing 5 Buns leaves ae paw 
HEEDS i.0° .. Geraniaceae 
Sepals 5, imbricate or ete 3 in shi Tous ‘edade 5 5, 
4, or none; stamens usually numerous; ovary 
usually 3-celled ; disk adnate to the calyx; 
stipules usually 0... Ae ae ... Sapindaeeae 
Petals 5, free or partially coherent; stamens 5, inserted 
on the margin of a thin disk lining the base of the 
calyx, or hypogynous; fruit separating into 3 to 
5 nut-like portions from a central axis... ... Staekhousieae 
c. Fruit consisting of separate fruitlets ; sepals imbricate ; no disk. 
Petals 0; fruitlets 2 or more, when many whorled, 
without a central AXIS ; embryo curved around 
the albumen ... hs ve os wey .. Phytolaeceae 
d. Fruit lobed or separating into distinct fruitlets, rarely 
entire; calyx-lobes valvate in the bud, 
Petals twisted in the bud, united at the base with 
the staminal tube; stamens usually indefinite, 
connate in a tube; anthers 1-celled; fruit capsular 
or consisting of seceding fruitlets whorled round 
a common axis; seeds exalbuminous ; SOBER 
usually present ae Malvaceae 
Petals 4 or 5; stamens definite, fre ee; ell ee 2- cane 
ovary - to 5-celled; fruit not lobed (in our 
species) ; airy pendent, albuminous. PMREN 
usually present ies: Tiliaeeae 
Petals 5, minute, or 0; pean ae Ansel, fr ee or 
united ; anthers 2- celled ; ovary 3- to 5-celled; 
Sruit capsular or separating into distinct fruitlets 
(ovary 1-celled in Brachychiton) ; seeds ascending, 
albuminous; stipules usually present... ... Stereuliaceae 
Petals 4 or 5; stamens 8 to 10, free; anthers opening 
by terminal pores ; fruit 2- celled, ‘flattened, pucentig 
at the edges; seeds pendulous OR : ... Tremandreae 
Petals usually 0; calyx 3-partite, rarely 0; ovary 
3-celled, each cell with 1 or 2 pendent ovules ; 
Sruits separating into 3 bivalved fruitlets from a 
persistent axis (1-celled, 1-seeded, opening by 
terminal valves in Pseudanthus ); seeds albu- 
minous Ay ea on ap dh .. Euphorbiaceae 
Iv. Fruit 1-celled, of 2 or more carpels. 
a. Placenta central, free; seeds several. 
Calyx of 2 sepals; petals 5 or more ; stamens indefinite; 
seeds albuminous, embryo curved around the 
