ANALYTICAL KEY. XXI 



* * Ovaries 2-5, more or less united into one below, but at the .apex separate, at 



well as their styles. 



Leaves strong-scented, punctate with pellucid dots. . . (40) RUTACEJC 

 Leaves scentless, not pellucid-punctate. 



Herbs, without real stipules or stipels. '-* ' . 141 (54) SAX i FRAG ACE^E. 

 Shrubs, with opposite compound (trifoliolate) leaves, 



caducous stipule^ and stipels. . Staphylea, 82 SAPINDACE^K. 



* # * Ovaries or lobes of a compound ovary 2 to 5, united by a common single style. 

 Stamens distinct : ovaries or lobes commonly 3. 



Flower irregula*, spurred : cress-scented plants. (40) TROP^EOLACEJB. 



Flower regular. ?/-.) -t-*;t*n-!i . . . 74 LIMNANTHACE^E. 



Stamens monadelphous at the base : ovary 5-lobed. 72 (38) GERAXIACEJE. 



* * # * Ovary only one. 



Ovary simple (of one carpel), with only one parietal pla- 

 centa and a single perfectly undivided style and 

 stigma. Flowers mostly irregular, the corolla 



papilionaceous, rarely regular or nearly so. . 88 (43) LEG UMiNOS.fi.' 

 Ovary one-celled, but either the styles or the stigmas more 

 than one or lobed, or the placentae more than one, 

 showing the pistil to be compound. 

 Corolla irregular, 



Of 4 petals : stamens 6 in two sets. . . . 26 (32) FUMARIACEJE. 

 Of 5 petals : stamens 5, their anthers united. . . 41 (35) VIOLACELZ. 

 Corolla regular or nearly so. 



Ovule solitary and hanging in the cell. . . Isatis, (33) CRUCIFERE. 

 Ovule solitary at the base of the cell : stigmas 3. 76 (41) AXACARDIACE<. 

 Ovules more than one, in the centre or bottom of the cell. 

 Petals not on the calyx. . . ". . 53 (35) CASTOPHYLLACE^B. 

 Petals on the throat of a bell-shaped or tabular calyx. 127 LYTHRACE.E. 

 Ovules several or many, on two or more parietal placenta?. 



Stamens inserted on the calyx. . . . .,, , ,- . . 141 SAXIFRAGACE^. 

 Stamens 5, borne on the long stalk of the ovary : 



styles 3 : climbing plants with tendrils. 138 (52) PASSIFLORACE.S. 

 Stamens inserted on the receptacle. 

 Sepals deciduous after flowering, 



Four, with 4 petals and 6 stamens. . . (34) CAPPARIDACE.S. 

 Five, with regular 5 petals and 5 stamens : style 



one: shrub, with coriaceous leaves. . (35) PITTOSPORACEA 

 Sepals persistent, 5, or rarely 3. 

 Leaves punctate with pellucid and dark dots, 



all of them opposite and entire. ~ . . 48 HYPERICACEA 

 Leaves not pellucid-punctate, and 

 Not beset with gland-bearing bristles. 



