BOTANICAL INTRODUCTION 



53 



57. Ovary and fruit 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 epipetalous. 

 Stamens 10, bypogynous. 



62. Ovary 1-celled. 



Ovary 2 or more celled. 



63. Herbs. Sepals 2. 



Herbs or shrubs. Sepals 4 or 5. 



64. Sbrubs, leaves with glandular dots. 

 Herbs, leaves not dotted. 



65. Fertile stamens more than 6. Anthers 1-celled. 

 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-celled. 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- 



celled. 

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



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. 



58. 

 60. 



LABIATAE, p. 364. 

 59. 



BORAGINACEAE, p. 

 DicJwndra, p. 344. 



346. 



61. 



71. 



62. 

 ERICACEAE, p. 323. 



63. 



65. 

 fPORTULACEAE. 



64. 



Myrsine, p. 331. 

 Samolus, p. 333. 

 MALVACEAE, p. 250. 



66. 

 ^Plantago. 



67. 

 68. 



^Sapota. 

 Cuscuta, p. 344. 



ERICACEAE, p. 323. 



69. 

 CONVOLVULACEAE, p. 342. 



70. 



VERBENACEAE, p. 349. 

 SOLAN ACE AE, p. 365. 

 SCROPHULARIACEAE, p. 366. 

 72. 



Parsonsia, p. 340. 



73. 

 fPORTULACEAE. 



74. 

 GENTIAN ACEAE, p. 337. 



LOGANIACEAE, p. 335. 

 76. 

 79. 

 77. 

 78. 



tNot further described. 



