Vol. III.] 



I'lGWi iRT F.\MILY. 



183 



30. BARTSIA 1,. 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-tootlied or 4-cleft. Corolla very irregular, the tube straight or re- 

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

 lip spreading, 3-lobed. Stamens 4, didynamous, ascending under the upper lip of the 

 corolla; anther-sacs similar, parallel. Capsule globose, oblong, or ovoid, loculicidally dehis- 

 cert, several-mauy-seeded. Seeds horizontal, striate, or ribbed. [Named for John Bartsch, 

 a Prussian botanist, died 173S.] 



About 6 species of the northern lieraisphere. Only the following is known to occur in North 

 America. 



I. Bartsia alpina L,. Alpine Bartsia. 

 (Fig. 3328.) 



Jlarlsia alpina L. Sp. PI. 602. 1753. 



Perennial by short rootstocks, pubescent; stem 

 erect, leafy, simple, or rarely with i or 2 short 

 ■branches, 4'-io' high. Leaves sessile, ovate, or ovate- 

 oblong, crenatc-dentate, obtuse or acutish, rounded 

 and sometimes slightly clasping at the base, yi'-l' 

 long; bracts similar, smaller, mostly shorter than the 

 flowers; spike i'-2' long; flowers S'^-io" long, some- 

 times borne also in the upper axils; calyx 4-cleft nearly 

 to the middle; corolla purple, its tube much longer 

 than the calyx; anthers pubescent, at least on the 

 back; capsule ovoid-oblong, equalling or longer than 

 the calyx. 



Labrador to Greenland and the Arctic Sea. Also in 

 Europe. Summer. 



31. ODONTITES. Gmel. Fl. Sib. 3: 213. 1768. 



.\nnual erect herbs, half parasitic on the roots of other plants, with small opposite leaves, 

 and yellow or red flowers in terminal bractcd spikes or racemes. Calyx 4-toothed. Corolla 

 with a narrow tube and a strongly 2-lipped limb, the upper lip concave, entire, or 2-lobed, 

 the lower 3-lobed, spreading. Stamens 4, didynamous, ascending; anther-sacs similar. Cap- 

 sule mostly subglobose, loculicidally dehiscent. Seeds few, pendulous. [Greek, referring 

 to its supposed value as a cure for toothache.] 



.\bout 20 species, mostly natives of the Mediterranean region. 



I. Odontites Odontites (I,.) Wettst 



(Fi 



Red Bartsia. 

 0029.) 



Red Eyebright. 



^ Euphrasia Odontites L. Sp. PI. 604. 1753. 

 i^ Bartsia Odontites Huds. Fl. Angl. Ed. 2268. 1778. 

 ^ Odontites Odontites Wettst. in Engl. & Prantl, Nat. Pfl. 

 Fam. 4: Abt. 3b, 102. 1891. 



Annual, appressed-pubescent, roughish ; stem 

 slender, at length much branched, 6'-i5' high, the 

 branches erect or ascending. Leaves sessile, lan- 

 ceolate, or oblong- lanceolate, acute or acuminate at 

 the apex, serrate with low distant teeth, slightly nar- 

 rowed at the base, yi'-i/i'loug, i"-3" wide; spikes 

 slender, becoming 2'-5' long in fruit, somewhat 

 l-sided; bracts similar to the leaves, but smaller; 

 flowers numerous, 4"-5" long; calyx 4-cleft; cor- 

 olla red or pink, its tube somewhat longer than the 

 calyx; anthers slightly pubescent; capsule oblong, 

 shorter than the calyx. 



In fields and waste places, coast of Maine to Nova 

 Scotia. Naturalized from Europe. Native also of 

 Asia. June-Sept. 



