152 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



EXPLANATION OF PLATE XVL 



Fig. I. Calochortus longebarbatus. 



a, Petal. 



b, Petal, less enlarged. 

 Fig. 2. Calochortus luteus. 



a, b. Petals. 



c, d, Capsule at different stages of development. 



