



XII. PITTOSPORE^. 109 



Order XIL PITTOSPORE^. 



Flowers liermaplirodite, regular or oblique. Sepals 5, distinct and imLri- 

 cate, or rarely connate at tliebase. Petals .5, imbricate, the claws or narrowed 

 base usually erect and connivcnt or cohering in a tube, rarely spreading 

 from the base. Stamens 5, hypogynous, free, alternating wilh the petals. 

 Torus small, rarely produced into a short gynophore, sometimes bearing 5 

 glands. Ovaiy 1-cclIed, with 2 or rarely 3 to 5 parietal placentas, or 

 divided into cells by the protrusion of the placentas, which often unite 

 m the axis, at least after flowering. Style simple, with an entire, small, 

 capitate, or dilated stigma. Ovules several, superposed in 3 rows on eacli 

 placenta, honzontal. Fruit either a capsule opening loculicidally, the valves 

 sometimes splitting also septicidally, or succulent and indehiscent. Seeds 

 several or rarely solitary in each cell, dry or enveloped in pulp, with a thin 

 testa, smootli or rarely n^uricate, and a hard albumen. Embryo vciy small, 

 in a cavity of the albumen next the hilum. — Trees, erect shrubs, or under- 

 shrubs, with tlexuose, decumbent, or twining branches. Leaves alternate, 

 entu-e, toothed, or rarely lobed, without stipules. " Flowers wdiite, blue, yellow, 

 or rarely reddish, terminal or axillary, solitary and nodding, or in short ra- 

 cemes, or corymbose panicles. 



With the exception of Pittosporum itself, the genera are all limited to Australia. 



34> 



Aiithers ovate or ohhng. Capsule dehiscent. TeUzJs {except m Biirsaria) erect 



at the base. 



Trees or erect shrubs. Petals erect at the base. Capsule thick or 

 coriaceous. Seeds several. 



Seeds thick, not winged. Plowers usually small ...♦,. 1. Pittospokim. 



Seeds flat, hori/outal, winged. Flowers large, yellow . , , . 2. HTMEXOSPORUif. 



■Erect shrubs, oftcu prickly. Petals small, spreadiug from the base. 



Capsule thin, small, and flat. Seeds 1 or 2 in each cell, vertical, 



flat , 3. Btjrsaeta. 



Undershrubs or twiners. Petals erect at the base. Capsule mem- 



branous or thinly coriaceous. Seeds thick or horizontal . . 4. Makianthus. 



** Anthers ovale or oblong. Berry indehiscent. Petals erect at the base. 



Prickly shrub, with small leaves aud small sessile solitary flowers. 



i^erry globular .*..,. 5, ClTRiOBATUS. 



Undershrubs or twiners, Tlowcrs pedunculate. Berry ovoid or 



oblong 6. BiLLARDIERA. 



*** Anthers linear, or longer than the filaments. Petals spreading from the ha^e, or 



nearly so. TJndershrahs or twiners, 

 rruife a berry. 



Anthers distant, recurved or revolute, opening longitudinally . , 7* Pkonaya. 



Anthers counivcnt round tJie style, opening inwards 8. Sollya. 



rruit dehiscent. Anthers turned to one side, opening iu terminal 



pores . , • . . . 9. Cukiuantheka. 



PITTOSPORUM 



Petals usually connivent or cohering in a tube at their base or above the 

 middle. Anthers ovate-oblong. Ovary sessile or shortly stipitatejnconiplctely, 

 or almost completely 2-celle(l, or rarely 3- to S-cellcil ; style short. Capsule 



