740 



SCROPHULARIACEAE 



4637 



4638 



4640 



4641 



4642 



4643 



4644 



4645 



4637. Verbascum Thapsus 



4638. Penstemon procerus 



4639. Penstemon Tolmiei 



4640. Penstemon cinicola 



4641. Penstemon Peckii 



4642. Penstemon washingtonensis 



4643. Penstemon oreocharis 



4644. Penstemon hesperius 



4645. Penstemon Vaseyanus 



