754 



SCROPHULARIACEAE 



4687 



4682. Penstemon Palmeri 



4683. Penstemon Grinnellii 



4684. Penstemon fruticiformis 



4685 



4685. Penstemon floridus 



4686. Penstemon pseudospectabilis 



4686 



4687. Penstemon Clevelandii 



4688. Penstemon Stephensii 



