102 TWELFTH ANNUAL REPORT. 



ORTHOCARPUS, Nutt. Orthocarpus. 



O. luteus, Nutt.* OrthocarpuF. 



Lapham. North part of the Red river valley (Kittson county), Upham; Roseau 

 prairie, Scott; Pembina, Havard. Northwest. 



EUPHRASIA, Tourn. Eyebiught. 



E. offioiualis, L. Eyebright. 



North shore of lake Superior ; "abundant everywhere about the edges of mossy 

 thickets, especially on the rocky 'peninsula' at Grand Marais; in bloom the last of 

 July and during August ; small and little branched in exposed situations, larger aud 

 much branched among other vegetation." Roberts. North. 



RHINANTHUS, L. Yellow Rattle. 



R. Crista-g'alli, L. Yellow Rattle. 



Lake Superior, Gray's Manual; doubtless in northeastern Minnesota (but probably 

 not in the vicinity of Minneapolis, where it has been reported). North. 



PEDICUL.ARIS, Tourn. Lousewort. 



P. Caaadensis, L. Common Lousewort. Wood Betony. 



Common, in many places abundant, throughout the state, excepting perhaps 

 northeastward. Flowers all greenish yellow, with no tinge of purple, upon extensive 

 districts. 



P. lanceolata, Micbx. Lousewort, 



Frequent southeastward ; common westward and in the Red river valley. 



MELAMPYRUM, Tourn. Cow- Wheat. 



M. Aniericanum, Michx. Cow- Wheat. 



Throughout the state; common or frequent northward, rare southward. Pine 

 barrens, St. Croix river. Parry; Ramsey county, Mrs. Terry; north of lake Superior 

 (common), Juni, Roberts; lake of the Woods, Dawson. 



ACANTHACEiE. Acanthus Family. 



RUELIil A , L. RuELLiA . 



R. ciliosa, Pursh. Ruellia. 



Lake Pepin, JH fas JManninfif. Rare. Southeast. 



*ORTHOCARrDS, Nutt . Calyx tubular-campanulate, 4-cleft, or cleft anteriorly and 

 posteriorly and the divisions 2-clef t or parted. Corolla mostly with slender tube ; upper 

 lip (galea) little longer and usually much narrower than the inflated i- to 3-saccate 

 lower one. Stamens 4 ; the smaller anther-cell sometimes wanting —Low herbs, almost 

 all annual (W. North American and one Chilian) ; with mainly alternate entire or 3- 1« 

 5- parted and laciniate leaves ; the upper passing into bracts of the dense spike and 

 not rarely colored, as also the calyx-lobes ; the corolla yellow, or white with purple or 

 rose-color, often much surpassing the calyx. Seeds numerous or rather few. Fl. spring 

 and summer. §2. Truk Obthocarpus, Benth. Corolla with simply saccate lip 

 inconspicuously or obsoletely 3-toothed, and moderately smaller ovate-triangular 

 galea ; its small tip or mucro usually somewhat inflexed or uncinate ; stigma small, 

 entire; anthers all2-celled; seed-coat very loose, costate-retlculated; root annual. 



O. LUTEUS, Nutt. Pubescent and hirsute, sometimes viscid ; stem strict, a span to 

 a toot high ; leaves from linear to lanceolate, occasionally 3-cleft : bracts of the dense 

 spike broader or with more dilated base, completely herbaceous, mostly 3-cleft, about 

 equalling the flowers : corolla golden yellow, less than half inch long, twice or thrice 

 tbelength of the calyx ; tip of galea obtuse and straight. Oray'8 Synoptical Flora ofN.A. 



