African and Madagascar Flowering Plants . 397 
Fig. 45. Left carina from outside. 
Fig. 46. Alae and carina from below. Letters as above except au 2 auricular 
connection of ala and carina ; au 3 inferior bent-in edges of alae. 
Aspalathus aeimila . 
Fig. 47. Flower with calyx removed. 
Fig. 48. Left carinal half from outside. 
Fig. 49. Left ala from inside. 
Fig. 50. Stigma enlarged ; h. hairs. 
Aspalathus Chenopoda. 
Fig. 51. Longitudinal section of vexillum from inside. 
Fig. 52. Vexillum claw and basal lobes from behind. 
Fig. 53. Right ala and carinal half from outside. 
Fig. 54. Right carina from outside,/, joint or hinge of ala, cp. peg on carina. 
Aspalathus sarcantha. 
Fig* 55* Flower from side with half calyx removed; letters see above. 
Crotalaria capensis. 
Fig. 56. Alae and carina from above (left ala bent sideways). 
Fig. 57. Alae and carina from below. 
Fig. 58. Carina and ala from the side. 
Fig. 59. Vexillum-claw from below. 
Fig. 60. Cross section of ala and carina in line x-y, n. entrance to nectary. 
Crotalaria retusa. 
Fig. 6 1. Vexillum-claw seen from below. 
Fig. 62. Carina from above, tt. transverse thickened ridge, t 2 thickened anterior 
pegs, h . honey-canal. 
Crotalaria humilis . 
Fig. 63. Flower from side with calyx removed. 
Fig. 64. The carina in situ. 
Fig. 65. Left carinal half separated from within. Letters as above. 
Lessertia pulchra. 
Fig. 66. Vexillum, calyx, and right ala removed. 
Fig. 67. Left ala from inside. 
Fig. 68. Outline of carina from above (line a-b). 
Clitoria heterophylla . 
Fig. 69. Longitudinal basal portion of flower in section to show peculiar saddle- 
like nectary n. 
Canavalia ensiformis. 
Fig. 70. Flower from the side with calyx removed. 
Fig. 71. Section along lin &a-b. 
Phaseolus adenanthus. 
Fig. 72. Longitudinal section of vexillum. 
Fig. 73 • Right carinal half. 
Fig. 74. Left ala from the inside. 
Fig. 75 - Style, c. anterior callosity of vexillum, s. spur of ala fitting in groove 
g. of vexillum, r. spur of vexillum, st. stigma, b. brush of hairs. 
Dolichos Lablab. 
Fig. 76. Flower in longitudinal section. 
Fig. 77 - Vexillum in longitudinal mesial section. 
