Jones : Flora of Illinois 25 



30. Fruit a 3-lobed capsule; stigmas fringed; leaves 



with small stipules 



Acalypha in 43. Euphorbiaceae 



30. Fruit a 1-seeded utricle; stipules none. 



31. Flowers with scarious bracts 



28. Amaranthaceae 



31. Flowers bractless 27. Chenopodiaceae 



26. Petals present. 



32. Ovary inferior; stamens usually twice as many (rarely the 

 same number) as the petals and calyx-lobes; fruit a cap- 

 sule, rarely indehiscent 83. Onagraceae 



32. Ovary or ovaries superior. 

 33. Corolla irregular. 



34. One of the petals spurred. 



35. Stipules present; ovary 1-loculed 11. Violaceae 



35. Stipules none; ovary 5-loculed; plants smooth 



and succulent 41. Balsaminaceae 



34. Flowers not spurred; stipules none; ovary 2-loculed 



42. Polygalaceae 



33. Corolla regular or nearly so, not spurred. 



36. Sepals and petals each 4; stamens 6 (rarely 2) ; fruit 



a pod; stipules none 18. Cruciferae 



36. Sepals 5; petals usually 5, rarely 1-3. 



37. Sepals separate; petals yellow; fruit achenes 



3. Ranunculaceae 



37. Sepals united, at least below. 



38. Leaves mostly basal, more or less hairy, the 

 blades roundish, cordate at the base; 



flowers paniculate 



Heuchera in 62. Saxifragaceae 



38. Leaves mostly on the stem. 



39. Stipules none; leaves thickish; plants 



glabrous; stamens free 



60. Crass ulaceae 



39. Stipules present; leaves not succulent; 

 plants usually more or less pubescent. 

 40. Stamens monadelphous; plants often 



with stellate hairs ....23. Malvaceae 

 40. Stamens free, perigynous; pubescence 



not stellate ....Geum in 53. Rosaceae 



Section 9. Parasitic or .Saprophytic Herbs; Stems Not Climbing or Twining 



1. Flowers regular. 



2. Ovary superior; stamens 6-12; plant waxy-white or reddish, drying black 

 Monotropa in 93. Ericaceae 



2. Ovary inferior; plants annual, very small 139. Burmanniaceae 



1. Flowers irregular. 



3. Ovary inferior; petals and sepals each 3, distinct 140. Orchidaceae 



3. Ovary superior; corolla 2-lippcd 113. Orobanchaceae 



