viii CONSPECTUS OF THE ORDERS. 



usually appendaged and dehiscing by pores. Ovary adnate to calyx-tube or free, 

 2-oo -celled, ovules indefinite (ovary 1-celled in Memecylon). 



LVIII. Lythrace^e. Herbs, shrubs or trees. Calyx lobes valvate, often alternating 

 with intermediate or external teeth. Petals often crumpled. Stamens definite. Ovary 

 free (except in last three genera, p. 465), 2-co -celled ; ovules rarely definite. 



LIX. Onagraeie^:. Herbs or shrubs. Flowers regular. Calyx-lobes valvate. 

 Petals imbricate, stamens iso- or diplostemonous. Ovary inferior, 4-2-celled. Ovules 

 indefinite or solitary, axile. 



Cohort XIII. Passiflorales. Flowers regular or irregular. Stamens perigynous 

 (or hypogynous in some Passiflorece). Pistil syncarpous; ovary free or adnate, 1-celled 

 with parietal placentation, or 3-celled with axile placentation. 



LX. Samydace^. Trees or shrubs. Leaves alternate, often with translucent dots 

 or lines. Flowers small, regular, hermaphrodite. Stamens definite or indefinite. Ovary 

 free or ^-inferior, sessile, l-c<lled. 



LXI. Loasace^e (Kissenia). Bristly undershrub. Flowers regular, hermaphrodite. 

 Petals 10, biseriate. Stamens indefinite, perigynous. Ovary inferior, 3-celled. Ovules 

 solitary. 



LXII. Turneraceje (Wbrmskioldia). Herbs. Flowers regular, hermaphrodite. 

 Petals 5. Stamens 5. Ovary superior, 1-celled, ovules indefinite. 



LX1II. Passiflore^. Herbs, climbers with axillary tendrils, or trees. Flowers 

 regular, hermaphrodite or unisexual. Petals 5. Stamens 5 or oo , hypogynous or peri- 

 gynous. Ovary free, often stipitate, 1-celled with oo ovules on 3 parietal, placentas. 

 Seeds albuminous. 



LXIV. Cucurbit ace je. Usually climbing herbs with tendrils. Flowers unisexual. 

 Petals 5 (3-6), free or connate. Stamens 3 (2-5), anther-cells straight curved or pli- 

 cate. Ovary inferior, placentas confluent and often reflexed from the axis. 



LXV. Begonjace^e. Usually succulent herbs. Leaves unequal-sided. Flowers un- 

 8ymmetrical, unisexual. Perianth polyphyllous of 2 or more leaves, 2 outer opposite, 

 valvate. Stamens oo . Ovary inferior, 2-3-4-celled; ovules oo oo in projecting simple 

 or bifid axile placentas ; stigmas often spirally papillose. 



Cohort XIV. Ficoidales. Flowers regular or nearly so. Ovary syncarpous (ex- 

 cept Gi8ekia), free or wholly or partially adnate ; placentation various. Embryo 

 usually curved. 



LXVI. Cactace^e {Rhipsalis). Fleshy shrub with elongate cylindrical (or angular) 

 pendent branches, leaves squamiform. Petals 6-10. Stamens about 20. Ovary 

 inferior, 1-celled. 



LXV1I. Ficoide^e. Herbs or undershrubs. Leaves entire. Flowers regular, 

 usually hermaphrodite. Sepals or calyx-lobes 4-5. Petals or minute or oo . Sta- 

 mens hypogynous or perigynous, definite or indefinite. Ovary various. Seeds albu- 

 minous, embryo curved or peripherical. 



