FIQWORT FAMILY. Scrophularlaceae. 



A smooth-stemmed plant superficially 

 CheUme glabra resembling the Bottle Gentian, with 

 White, pink- smooth, bright deep green, toothed, short- 

 tinged stemmed, lance-shaped leaves 3-6 inches 

 July- long. The flower not unlike a turtle's 

 head, about an inch long, white, and deli- 

 cately tinged at the tips with magenta-pink or crimson- 

 pink ; the corolla two-lipped, the upper lip arched over 

 the lower one. The stamens dark and woolly. 1-3 feet 

 high. On wet banks, in swamps, and beside brooks, 

 from Me., south, and west to Minn., Kan., and Tex. 



A perennial with slender and straight 

 Pentstemon or t olly a i most to t he base. Leaves 



Beard-tongue ' 



Pentstemon h S"t green, slightly woolly, oblong to 



pubescens lance-shaped, slightly toothed, the upper 



Magenta- ones toothless, the lower ovate and 



« h,te . . stemmed. The flowers whitish, tinged 



May-July 



with dull magenta, the corolla trumpet- 

 shaped, two-lipped, two lobes on the upper, three on the 

 lower lip, and the throat nearly closed by a palate on 

 the lower lip covered with long hairs. There are four 

 stamens and a sterile stamen or so-called filament, which 

 is hairy or bearded a little more than half its length. 

 Cross-fertilized mostly by butterflies. 1-3 feet high. 

 Me., south, and west to Minn, and Tex. Found in 

 Campton, N. H., by Carroll S. Mathews. 



A very similar species, smooth except 

 Pentstemon the somew hat sticky-hairy top of the stem 



bearing the flowers ; the latter £ inch long, 

 whitish with a magenta- tinged base, the corolla as in the 

 foregoing species, but the throat wider open, and scarcely 

 or not at all hairy ; the sterile filament hairy on the up- 

 per side only. The stem ruddy, and the light green 

 leaves more or less so at the edge. 2-3 feet high. In 

 thickets or moist fields, from Pa., south, and west to Ky. 

 and La. , where according to Gray the common form is 

 the var. Digitalis, with stem-leaves ovate lance-shaped, 

 the lower longer and wider. The flowers white, larger, 

 and the corolla abruptly inflated. 2-5 feet high. Me. 

 and N. Y., south to Va. and Ark., and west to 111. Prob- 

 ably escaped from cultivation in the west. P. pubescens 

 420 



