Both are known by the common name "Desert Penstemon". Both are native to Arizona, but P. pseudospectabilis has a much wider range, shown on the USDA map to include New Mexico, Utah, and California as well, whereas P. parryi seems to be found only in Arizona.
The vase also contains a lone stalk of lavender. Bought at the same time as the Salvia, it also was scantily labeled. "Lavender", said the pot sticker. Yes, lavender it is; and I believe it is L. dentata. At any rate, I love the paler, silvery tones of the flowers.
Thanks to Cathy for hosting the Monday Vase meme at Rambling in the Garden!