IPHULAR] V I \l 



\"oi.. III. 



2. Euphrasia americana Wettst. Hairy Eye- 



bright. Eyebright. Fig. 3841. 

 Euphrasia americana Wettst. Mon. Euph. 127. 189G. 

 E. canadensis Townsend, Journ. Hot. 36: 1. 1898. 



Annual, stem pubescent with crisped hairs, often 

 nt length much branched, 4'-io' high. Leaves gla- 

 brous, or sparingly pubescent, ovate to oval, obtuse or 

 acutish at the apex, 3-5-toothed on each side, 3"-6" 

 long, 1 i"-4i" wide, the teeth acute; bracts cuneate 

 or obtuse at the base, dentate, pubescent, not glandu- 

 lar, slightly shorter than the flowers; calyx-teeth 

 lanceolate, acuminate; corolla 3"-4" long, purplish 

 or nearly white, the somewhat spreading lobes of 

 its lower lip emarginate ; capsule narrow, cuneate, 

 2"-3" high, about equalling the calyx. 



In fields and on hills, Maim- and New Hampshire to 

 New Brunswick and Newfoundland. Summer, 



Euphrasia officinalis L. is not known from North 

 America. 



3. Euphrasia Randii Robinson. Rand's Eye- 

 bright. Fig. 3842. 



Euphrasia Randii Robinson, Rhodora 3: 273. 1901. 



E. Randii var. (?) Farlowii Robinson, loc. cit. 274. 1901. 



Annual ; stem simple or branched, erect or decumbent. 

 3-20' long, purplish, covered with whitish hairs. Leaves 

 ovate to suborbicular or fan-shaped, finely pubescent on 

 both sides, 4-6-toothed on each margin, the teeth obtuse 

 or acutish ; flowers spicate-racemose ; calyx pubescent, 

 its teeth triangular-lanceolate ; corolla about 2" long, 

 violet to nearly white, with a yellow eye ; capsule oblong- 

 elliptic, ciliate, notched. 



Thickets and grassy places, Newfoundland to Quebec and 

 Maine. July-Aug. 



4. Euphrasia Oakesii Wettst. Oakes' Eyebright. Fig. 3843. 



Euphrasia Oakesii \\ ettst. Mon. Euph. 142. 1896. 



Stem erect or ascending, very slender or filiform, simple, 

 l'-2' high, somewhat pubescent. Stem leaves 2 or 3 pairs. 

 Bracts and leaves orbicular or broadly oval, narrowed or 

 nearly truncate at the base. 2"-3" long, obtuse, pubescent, 

 not glandular, with 2-5 blunt teeth on each side; spike 

 short, capitate, only 3"-?" long, the bracts densely imbri- 

 cated ; calyx-teeth triangular-lanceolate, short; corolla 

 lJ"-2" long, purplish-white with a yellow eye; capsule 

 oblong-elliptic, ciliate, longer than the calyx. 



White Mountains of New Hampshire and on Mt. Katahdin, 

 Maine. July-Aug. 



Euphrasia Williamsii Robinson, found on Mt. Washington, 

 N. H., differs in being nearly glabrous, with a brown-purple 

 corolla. 



35- BARTSIA L. Sp. PI. 602. 1753. 



Annual or perennial herbs, partly parasitic on the roots of other plants, with opposite 

 leaves, and purple pink red or yellow flowers, in terminal leafy-bracted spikes. Calyx cam- 

 panulate or tubular, 4-toothed or 4-cleft. Corolla very irregular, the tube straight or recurved, 

 the limb 2-lipped ; upper lip erect, concave, entire, the margins not recurved; lower lip spread- 



