Beautiful and numerous as are the species and varieties of this favourite genus, the present species lately introduced to cultivation is scarcely equalled in point of colour by any of the older and better known ones. It grows about 18 inches high, in neat compact style. The leaves are narrow lanceolate, pale green, or glaucous. The flowers are produced on long racemes, borne on slender stalks, and are brilliant sky-blue. From seed, the plant varies somewhat in colour in the depth of the blue, and occasionally in being reddish purple. It is a native of California. I cannot speak from experience of its hardiness and cultivation, but it does not appear to be more difficult than that of other Pentstemons. In wet, cold localities, stock should be struck in autumn in pots, to keep over winter under protection.