Vm " ANALYSIS. 



Order 40. Legumtnosje. Calyx 5-toothed or 5-cleft, often unequal. Pet- 

 als 5 or fewer, in tgulur. IStamens detinite, perigynous or hypogynous, distinct 

 monadeiphous or diadelphous. Fruit usually a legume, lierbs, shrubs and 

 trees. Leaves alternate, generally compound. 



Genera. Vicia p. 58. Ervum p. 58. liathyrus p. 58. Phaseolus p. 59. 

 Vigna p. 59. Dolichos p. 59. Erythrina p. 60. Apios p. 60. Wistaria p- 

 60. Rhynchosia p. 61. Pitcheria p. 61. Galactia p. 62. Clitoria p. 62. 

 Amphicarjia p. 63. Sesbania p. 63. Gloitidium p. 63. Robina p. 63. Te- 

 phrosia p. 61. Indigolera p. 65. Psoralea p. 65. Amorpha p. 66. Dnica p. 

 66. Petalosienium p. 67. I'rifolmm p. 67. Melilotus p. 68. Medicago p. 

 63. Astragalus p 68. Phaca p. 68. Zornia p. 69. Stylosaiithes p. 69. 

 ^schynomene p. 69. Hedysaruin p. 70. Lespedeza p. 71. Crotalaria p. 

 72. Lupiaus p. 73. Baptisia p. 73. Ccrcis p. 74. Cassia p., 74. Gledits- 

 chia p. 75. Mimosa p. 76. Schrankia p. 76. Acacia p. 77. 



Order 41. Rosacea. Sepals usually 5, persistent. Petals 5, regular, oc- 

 casionally wantmg. Stamens numerous, or very rarely /evv. Herbaceous 

 plants, shrubs and trees. Leaves alternate. Flowers occasionally polyga- 

 mous, or dioecious. 



Sub-Order L ChrysobalanejE. Ovary free. Petals and stamens irregu- 

 lar Fruit a dru^je. Small shrubs, with prostrate slender stems. 

 Genus. Chrysobalanus p 77. 



Sub-Order 2. Amygdale^. Ovary free, with 2 suspended ovules. Fruit 

 a drupe. Seed solitary. Trees or shrubs, with simple leaves. Bark yield- 

 ing gum. 



Genera. Prunus p. 77. Cerasus p. 78. 



Sub-Order 3. Rosacea. Ovaries solitary, or several. Fruit folicular I-IO" 

 seeded, or 1-seeded achenia. Herbs or shrubs, with simple or compound 

 leaves. 



Genera. Spirea p. 78. Gillenia p. 79. Geum p. 79. Walds^einia p. 79. 

 Agrimonia p. 80. Potentilla p. 80. Fragaria p. 81. Rubusp.81. Rosa p. 82. 



Sub-Order 4. Pomace . Ovaries 2-5, coheriiig with the calyx and some- 

 times with each other, with 2 ascending ovules. Styles terminal. Fruit a 

 pome, 1-5-celled. Trees or shrubs. 



Genera. Crategus p. 82. Pyrus p. 84. Amelanchier p. 84. 



(h) Capsules usually more than 1. celled. 



Order 44. LytijracejE. Calyx 4-6-lobed or toothed, some^times with as 

 many small accessory teeth or processes. Petals as many as the lobes of the 

 calyx or wanting. Stamens as many as the petals or some multiple of the 

 number. Ovary 2-1-celled, the dissepiments sometimes becoming obliterated 

 and the capsule 1 celled. Herbaceous plants, growing usually m wet soils, 

 with 4-sided branches. 



Genera. Hypobrichia p. 86 Ammania'p. 87, Lythrum p. 87. Decodon 

 p 87. Cuphea p. 83. 



Order 33. Celastraceje. Sepals 4-5 united at the base. Petals and sta 

 mens equalling them in number ; the latter inserted into a broad disk at the 

 bottom of the calyx. Fruit 2-5-celled, or by abortion 1-celled. Shrubs. 



Genera. Staphylea p. 55. Euonymus p. 56. 



Order 39 Rha.mnace^. Calyx tubular 4-5 cleft. Petals 4-5, or wantin.f^ 

 cucuUate or convolute. Stamens 5. Fruit capsular or baccate. Seeds soli 

 tary. Shrubs, sometimes with thorny branches. 



Genera. Rhamnus p. 56. Sageretia p. 57. Berchemia, App 324. Ce- 

 il othus p. 57. 



(c) Calyx partly superior. 



Order 55 Corvace^ Calyx adhering to the ovarv, 4-toothed. Petals 4, 

 oblong. Fruit baccate, crowned by the calyx. Small trees and shrubs, with 

 astringent bark. Flowers in cymes. 



Genus. Cornus p. 107. 



