(52) 



b. Ovary 2-celled. 



1. Cordylanthus. Calyx spathaceous. Cells 

 of anthers distant and of different shape 

 and insertion. Lips of corolla short, 

 upper lip laterally compressed. 



2. Orthocarpus. Calyx spathaceous, cleft 

 vertically. Cells of anthers distant 

 and of different shape and insertion. 

 Corolla lips personate, but upper lip the 

 smaller. 



3. Castilleia. Calyx spathaceous, cleft ver- 

 tically. Cells of anthers distant and 

 of different shape and insertion. Co- 

 rolla ringent, the upper lip the larger. 



4. Mimulus. Stigma dilated, petaloid. 

 Calyx angular, angles carinate. Placen- 

 tas of the capsule remain united and 

 only separate at last near the apex. 

 Valves of the capsule membranaceous. 



5. Mimetanthe. Stigma dilated, petaloid. 



Calyx campanulate, not angulate. Cap- 

 sule dehiscent only by the dorsal suture. 



6. Diplacus. Stigma dilated, petaloid. 

 Calyx angular ; angles carinate. Placen- 

 tae of the capsule meeting, but in dehis- 

 cence separating their whole length. 

 Valves of the capsule coriaceous. Tube 

 of the corolla funnel-shaped. 



