SAXIFRAGACE2E. 461 



t 



repand-5-lobed. Petals (?) in female or hermaphrodite flower 4 or 

 more, linear or spathulate, rather fleshy ; in hermaphrodite flower qo , 

 larger (staminodes?). Stamens fertile in male flower, qo ; filaments 

 subulate unequal ; anthers basifixed ; cells longitudinally rimose, 

 afterwards 2-valved ; connective apiculate. Germen half-inferior ; 

 cells 2, complete or incomplete ; ovules usually 6 in each cell, 

 2-seriate descending ; styles recurved, within flat stigmatose. 

 Capsules subcapitate nearly free, woody; valves 2, 2-fid; endocarp 

 bony shining fragile. Seeds about 6 in each cell ; superior smaller 

 subosseous sterile ; inferior convex-3-gonous, winged above ; coty- 

 ledons of rather fleshy embryo oblong ; radicle conical. — Glabrous 

 trees ; branches articulated at nodes ; leaves alternate petiolate broadly 

 ovate-acuminate cordate entire coriaceous ; younger large, 3-cuspid- 

 ate ; ribs radiating at base of blade ; stipules broadly oblong 

 coriaceous, involving younger leaves and flowers, soon deciduous ; 

 flowers capitate ; capitula pedunculate corymbose ; peduncles articu- 

 late {Sumatra, East Himalaya, Khasici). See p. 39G. 



XVIII. PLATANEJE. 



10G. Platanus T. — Flowers monoecious ; male calyx (?) formed 

 of 3-0 minute leaves, hairy at apex. Squamules (?) 3-6, longer 

 linear-clavate furrowed, lobate-truncate at apex, sometimes unequal 

 or 0. Stamens as many alternate verticillate erect ; filaments very 

 short ; anthers elongate-clavate ; cells 2, laterally adnate, rimose 

 at margin ; connective capitate, truncate above cells. Sepals (?) of 

 female flower 3-5, minute. Staminodes (?) as many obovate-clavate, 

 longer capitate at apex ; squamules as many alternate very 

 small, sometimes absent. Carpels 2-3, verticillate, opposite the 

 sepals, often adherent to them at base; germen ovoid-elongated, 

 1 -celled, terminating in linear elongated style recurved at apex 

 stigmatose within ; ovule 1 (or rarely 2), descending below apex of 

 ventral angle, suborthotropous. Fruit compound globose peduncu- 

 late pendulous ; achenes go , coriaceous, surmounted by persistent 

 style, surrounded by rigid hairs at base. Seed descending elongated 

 orthotropous ; testa thin ; albumen fleshy ; radicle of axile embryo 



