[Sidenote: =Pentstemon fruticosus= (Pursh.) Greene. _Large Purple Beard-tongue._] Decumbent, diffusely spreading, 6—12 inches high, woody at the base. Leaves ovate, obovate or oblong, ½ an inch or more long, serrulate or entire, smooth or hairy when young. Flowers in glandular-hairy terminal racemes; corolla violet, blue or pinkish purple, an inch or more long, tubular funnel-form, 2-lipped, the upper deeply 2-, the lower 3-cleft. Throughout the region in exposed stony places and on slides up to an elevation of 10,000 feet, frequently growing in patches of considerable size; flowering in June and early July. [Sidenote: =Pentstemon confertus= Dougl. _Yellow Beard-tongue._] Smooth throughout or the inflorescence and calyx sometimes with viscid hairs; stem a foot or two high. Leaves from oblong or oblong-lanceolate to somewhat linear, usually quite entire. Flowers in a terminal head of 2—5 dense, many-flowered clusters; corolla with a narrow tube about ½ an inch long, pale yellow; the lower lip conspicuously bearded within. In moist or dry open ground throughout the Rockies, especially abundant in the valleys of the Bow and Pipestone in the region about Laggan; flowering during late June and early July. [Illustration: Pentstemon confertus Dougl. (⅓ Nat.) Yellow Beard-Tongue.] [Illustration: Pentstemon pseudohumilis Rydb. (½ Nat.)] [Sidenote: =Pentstemon procerus= Dougl. _Blue Beard-tongue._] Smooth throughout, stems slender, 2—12 inches high. Leaves lanceolate, 1—2 inches long, those of the middle of the stem largest, usually entire. Flowers in dense verticillate clusters, in a more or less elongated head; corolla bright blue with a slender funnel-form tube ½ an inch or more long; the lower lip bearded within. In open dry or moist ground throughout the Rockies, not common; most abundant in the valley of the Kicking Horse River at Field; flowering in June. [Sidenote: =Pentstemon pseudohumilis= Rydb.] Smooth; stem 8—12 inches high, simple. Basal leaves broadly spatulate or elliptic, thin, firm, obtuse, or acute, contracted into a slightly winged petiole, with entire margins; stem leaves oblanceolate, oblong or lanceolate, mostly all opposite. Flowers blue or bluish-purple in a loose panicle, with more or less glandular-hairy branches; calyx glandular-hairy, ¼ of an inch long, deeply cleft into lanceolate lobes; corolla slightly hairy, about ¾ of an inch long, funnel-form, slightly oblique. In open ground and slopes in the Selkirks; flowering in July. [Sidenote: =Veronica americana= Schwein. _American Brooklime._]