460 NATURAL niSTORY OF PLANTS. 



V. quillajej:. 



31. Quillaja MoL. — Flowers dioecious or polygamous. Eeceptaele 

 of hermaphrodite flower subconcave broadly cupuliform, lined by 

 a thick fleshy stellate disk produced into 5 alternipetalous lobes, 

 emarginate or 2-dentate, much adnate to sepals. Sepals 5, thick ; 

 prsefloration valvate. Stamens 10, 5 larger alternipetalous inserted 

 in apices of lobes of disk, 5 smaller between them ; filaments free 

 subulate ; anthers introrse dehiscing by two clefts. Carpels 5, 

 alternipetalous inserted on slightly prominent bottom of receptacle 

 and cohering into a spuriously 5-celled ovary ; styles 5, free ter- 

 minal, at apex slightly dilated stigmatiferous ; ovules oo , ventral 

 2-seriate densely imbricated. Fruit of 5 stellately spreading 

 legumes dehiscing in 2 longitudinal valves. Seeds go , compressed 

 imbricated ascending with a long superior wing ; embryo exal- 

 buminous ; cotyledons convolute ; radicle inferior. — Evergreen trees ; 

 leaves alternate simple ; stipules 2, lateral deciduous ; flowers in 

 axillary or terminal cymes ; central flower of each usually her- 

 maphrodite. {Chili, Peru, Souih Brazil.) See p. 383. 



32. Kageneckia R. k Pav. — Flowers monoecious or dioecious ; 

 receptacle Uned by a thin disk. Imbricate calyx and corolla of 

 Quillaja. Stamens not more than 20 (of the Rosacecs) ; anthers 

 sterile in female flower. Carpels 5 ; ovaries inserted on slightly 

 prominent bottom of receptacle ; ovules co (of Quillaja) ; styles 

 ventral, inserted at a variable height, at apex obliquely dilated 2-fid 

 stigmatiferous. Fruit of 5 stellately-spreading reflexed gibbous 

 slipper-shaped follicles. Seeds co , imbricated ascending winged (of 

 Quillaja). — Evergreen trees ; leaves alternate coriaceous simple petio- 

 late; stipules caducous; flowers terminal or axillary racemose or corym- 

 bose, females cymoso-racemose or solitary. {Chili, Peru.) See p. 385. 



33. Vauquelinia Cork. — Flowers hermaphrodite ; receptacle 

 hemispherical, lined by a glandular disk. Sepals 5, valvate, and 

 petals 5, imbricate of Quillaja. Carpels 5, alternipetalous ; 

 ovaries connate below into a 5-celled ovary ; styles 5, at apex capi- 

 tellate stigmatiferous ; ovules 2, subbasilar collaterally ascending ; 

 micropyle inferior extrorse. Carpels girded by persistent base of 

 receptacle and by calyx, finally coming apart ; dehiscence loculicidal, 



