ANALYSIS OF THE OEI>BRS 185 



43. Sepals fewer or more in number than the petals 44. 



43. Sepals and petals each of-the same number.... 45. 



44. Sepals 2 (or vanished) ; petals 4 (2 pairs), with 1 or 2'spitrs. *Fwmetoorts. 12 



■ 44. SepalB 4, petals 2 ; the Jargest sepal spurred behind. * Jewelweeda. 34 



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



45. Flowelrs 4-parted, not Tery irregular. No spur. Gappar'ida. 14 



45. Flowers 5-parted 46. 



46. Stamens 8. Spur slender. Tropkywortti. 85 



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



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



47. Pistils many, entirely distinct, aimple. * Crowfoots. 1 



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



4Y. 'Pistils 5 to 10, united, with sessile stigmaa'and jnany petals. Jce-jplants, 28 



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



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



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



49. Carpels as many as the sepals. . . .49? 



49. Carpels fewer than the sepals . ..50. 



49; Anthers opening at tlie top. Melastomes. 50 



49.' Anthers opening along the side. * Onagrads. 52 



■50. Seeds numerous. Styles 2. * SasAf rages. 61 



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



. 50. Seed 1 in each cell. Style 1 (double). * Cornels. 65 



51. Style 3-oleft at the sucamit. * Purselanes. 22 



51 Style and stigma 1, undivided. * Order 78 



52. Leaves pinnate, with stipules between the petioles. Bean-capers. 88 



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



- 52. Leaves simple, entire 54. 



53. Flowers cruciform, with 6 stamens. * Oruei/ers. 18 



63. Flowers 5-p*-ted, with 10 stamens. * Geraniums. 31 



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



54. Petals on the torus (hy pogy nous) 55 . 



55. Flowers irregular, unsymmetrical (§ 110). * Milkworts. 45 



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 



66. Leaves not dotted. * Finkworts. 21 



57. Pistil a simple carpel, becoming a legume. Stamens 10-100. * Peaworts. 46 



67. PistiUeompound, 3-carpeIed 58. 



57 Pistil compound, 5-carpeled 59. 



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



58 Flowers moncedious (§ 109). Leaves 1-sided. Cultivated. Begoniads. 59 



59. Stipules present. Plants half-ahrubby. Cultivated. * Geraniums. 81 



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



