ANALYSIS OF THE ORDERS 135 



43. Sepals fewer or more in luuuber tlinn the petals. . . .44. 



43. Sepals and petals each oftlie same number 45. 



44. Sepals 2 (or vanished) ; petals 4 (2 pairs), with 1 or 2 spurs. * Fumcivorts. 12 



44, Sepals 4, petals 2; tlie largest sepal spurred behind. * Jewelweeds. 34 



44. Sepals 5, petals 3. No spur. * Milkworts. 45 



45. Flowers 4-parted, not very irregular. No spur. Cappuiids. 14 



45. Flowers 5-parted 46. 



46. Stamens 8. Spur slender. Iropkyworts. 35 



46. Stamens 5. Spur blunt, or none. * Violets. 16 



46. Stamens 10 (or more). Fruit a legume. No spur. * Peaworts. 46 



47. Pistils many, entirely distinet, simple. * Crowfoots. 1 



47. Pistils 3 to 5, united more or less completely. * St. Johnsworts. 18 



47. Pistils 5 to 10, united, with sessile stigmas and many petals. Ice-plants. 23 



48. Pistil only 1, simple. Petals 6-9. Stamens 12-18. * Berberids. 6 



48. Pistils 3 or more, distinct, simple. Flowers all symmetrical. *Houseleeks. 60 



48. Pistils 2, covered up by the stamens Juice milky. * Order 97 



49. Carpels as many as the sepals 49" 



49. Carpels fewer tiian the sepals. . .50.- 



49C Anthers opening at the top. Melastomes, oQ 



49." Anthers opening along the side. * Onagrads. 59 



50. Seeds numerous. Styles 2. * Saxifrages. 61 



50. Seed 1 in each cell. Styles 2 or 3. Araliads. 64 



50. Seed 1 in each cell. Style 1 (double). * Cornels. 6a 



51. Style 3-cleft at the summit. * Furselane^. 23 



51 Style and stigma 1, undivided. * 07'der 78 



52. Leaves pinnate, with stipules between the petioles. Bean-capers. 33 



52. Leaves simple, toothed or lobed. . . .53. 



52. Leaves simple, entire. . . .54. 



53. Flowers cruciform, with 6 stamens. * Oniclfcrs. 13 



53. Flowers 5-parted, with 10 stamens. * Geraniums. 31 



54. Petals and stamens on the throat of the calyx. Loosestrifes. 51 

 54. Petals on the torus (hypogynous) ... .55. 



55. Flowers irregular, unsymmetrical (§ 110). * Milkworts. 4i 



55. Flowers regular, 2 (or 3)-parted throughout. Water-peppers. 20 



55. Flowers regular, 5-parted 56. 



56. Leaves dotted with pellucid or black dots. *St. Johnsworts. 18 



56. Leaves not dotted. * Pinkworts. 21 



57. I'lstil a simple carpel, becoming a legume. Stamens 10-100. * Peaworts. 46 



57. Pistil compound, 3-carpeled 5S. 



57 Pistil compound, 5-carpeled.. . .59. 



58. Flowers perfect. Leaves digitate. * Buckeyes. 41 



58 Flowers moncecions (§ 109). Leaves 1-sided. Cultivated. Begoniad^. 59 



59. Stipules present. Plants halt-shrubby. Cultivated. * Geraniums. 81 



59. Stipules none. Shrubs or half-slirubs. Native. * Order 73 



