BOTANICAL INTRODUCTION 



53 



57. Ovary and fi-uit very deeply 2-4 lobed ; lobes 



1-celled, 1-seeded. 

 Ovary not deeply lobed. 



58. Leaves opposite. Ovary 4-lobed, 

 Leaves alternate. 



59. Ovary 4-lobed. 

 Ovary 2-lobed. 



60. Leaves alternate or radical (0 in Cuscuta of 



Convolvulaceae) . 

 Leaves opposite. Stamens epipetalous. 



61. Stamens epipetalons. 

 Stamens 10, liypogynous. 



62. Ovary 1-celled. 



Ovary 2 or more celled. 



63. Herbs. Sepals 2. 



Herbs or shrribs. Sepals 4 or 5. 



64. Shrubs, leaves with glandular dots. 

 Herbs, leaves not dotted. 



65. Fertile stamens more than 6. Anthers l-coUed. 

 Fertile stamens 6 or fewer. 



66. Stamens 4, filaments long. 



Stamens alternating with scales or antherless 



filaments. 

 Scales and sterile anthers absent. 



67. Shrub or tree. Leaves alternate. 

 Leafless climbing herb. 



68. Anthers 1-oeIled. Shrubs or trees. Ovary 



5-10-celled. 

 Anthers 2-celled. 



69. Climbing or trailing herbs. 

 Erect shrubs. 



70. Corolla-lobes overlapping in bud. Ovary 2-4- 



eelled. 

 Corolla-lobes plaited in bud. Ovary 2-c6lled. 



71. Stamens 2 or 4. 

 Stamens 5. 



72. Climbing shrubs, anthers adhering to the 



stigma. 

 Herbs or shrubs, erect or prostrate. 



73. Herbs, sepals 2. 

 Calyx 4 or 5-cleft. 



74. Herbs, very bitter. 

 Erect or prostrate shrubs. 



75. Leaves opposite. 

 Leaves alternate or 0. 



76. Ovary 4-lobed to the base. 

 Ovary not deeply 4-lobed. 



p. 



323. 



58. 



60. 

 L.4BI.\T.\B, p. 364. 



61). 

 BOE.VGINACEAE, p. 

 Dicliundra, p. 344. 



61. 



71. 



62. 

 EEI(:.\CBAE 



63. 



65. 

 tPORTUL.ACEAE. 



64. 

 Mijrtiine, p. 331. 

 SnmoJiis, p. 333. 



Malvaceae, p. 



66. 

 ^Plantago. 



67. 

 68. 

 t Sapota . 

 Cuscuta 



346. 



2.50. 



p. 344. 



323. 



Ericaceae, p. 



69. 

 Convolvulaceae, 



70. 



p. 342. 



Vbrbenacbab, p. 349. 



SOL AN ace AE, p. 365. 

 SCKOPHUL.ARI.ACEAB, p. .366. 



72. 



Parxonsia, p. 340. 



73. 



tPOETULACBAE. 



74. 



Gentianaceae, p. 337. 



LOCtANIACEAE, p. 335. 



76. 

 79. 



77. 

 78. 



INot further described. 



