ANALYSIS OF POLYPETALOUS ORDERS. 



Leaves compound (1-foliolate), dotted. 30. AuniNTiACEX. 



• Leaves simple, not dotted. 



^Estivation of the calyx imbricated. 37. Ternstr(Emiaceji:. 

 .Estivation of the calyx valvate. 



Stamens monadclphous : anthers 1-celled. 38. Mai-vace^. 

 Stamens distinct: anthers 2-celled. 39. Tii.iace.e. 



1 1 Stamens more or less definite {not more than 12), but'not equal or dovlle 

 the nwmler of the sepals. 



Anthers opening by terminal pores. 



Stamens mon;idelphous : anthers l-celled. 

 Stamens distinct : anthers 2-celled. 

 Anthers opening longitudinally. 



Sepals 2. Petals 4, irregular, somewhat united. 

 Sepals 2. Petals 5, regular. 

 Sepals more than 2. 

 Placentae in the axis. Stamens 5. 

 Placentcc parietal. 

 Capsule of 3-6 carpels, opening at the top. 

 Capsule 2-valved. Petals and sepals 4. 

 Pod (silique) 2-celled. Stamens 6, two of 



them shortest. 

 Pod 1-celled. Seeds reniform. 



17. Por.TCALACE^E. 



17. Subord. Kramerie.c. 



13. Fn.MARIACE.gE. 



25. porttjlacace^. 

 29. Eal.saminace.e. 

 IC. Resedace£. 



14. Crucifer^. 



15. Capparidace-e. 



1 1 1 stamens as many, or twice as many, as the sepals. 



Petals twice the number of the sepals. 12. Papaveracej;.+ 



Petals (when present) as many as sepals, irregular. 

 Sepals and petals 4. Capsule 1-cclled, 2-valved. 

 Sepals and petals 5. Capsule 1-celled, 3-valved. 

 Petals as many as the sepals, regular. 

 Seeds few, (1-2 in each cell). 

 Ovary half inferior. Stam. opposite the petals. 

 Stam. (partly sterile) twice 

 the number of the petals. 

 Ovary wholly superior, (rarely covered by a disk.) 

 Stamens twice the number of the petals, dis- 

 tinct. 

 ^Estivation of the calyx imbricated. 

 jEstivation of the calyx valvate. Utriculi 

 distinct. 

 Stamens twice the number of the petals, mo- 

 nadelphous. 

 Carpels 5, 1- seeded : styles cohering to the 



elongated axis. 

 Capsule woody. Seeds winged. 

 Drupe 5-celled. Seeds wingless. 

 Stamens as many as, and opposite^the petals — 

 Disk fleshy. 

 Calyx minute, hypogynous. Peduncles and 



tendrils opposite the leaves. 

 Calyx perigynous with a valvate aestivation. 

 Stamens as many as, and alternate with the 

 petals. 

 Disk large and flat, perigynous. 40. Celastrace^. 



Disk small and nearly hypogynous, or 'none. 

 Fruit samaroid, 2-celled. Leaves dotted. 33. 

 Fruit a dry 1-celled drupe. Stigmas 3. 34. 

 Fruit a 5-10-celled capsule. Stigmas 5. 27. 

 Seeds numerous. 



Placentae parietal (sometimes inflexed nearly to 

 the axis). 

 Vernation circinnate. Hairs glandular. 19. Droseraceje. 



Vernation not circinnate. 



Zan'thoxtlace*;. 

 Anacardiace^:. 



LiSACEi. 



