174 OROBANCHACEAE 



3. G. purpurea L. Resembles the last l)ut is less scabrous, the leaves 

 are linear and the smaller capsule is j;lobose. — In moist meadows, Sibley, 

 Lake City to Buckner, Independence. Frequent locally. August-Sep- 

 tember. 



4. G. tenuifolia Vahl. Stem branching, glabrous, 6'-2(/ high: leaves 

 linear, 6''''-14^^ long, somewhat scabrous : pedicels spreading : flowers 'd" 

 long : capsules usually 1" long : upper pedicels exceeding the leaves. — In 

 moist grounds throughout. July-September. 



5. G. Besseyana Britton. Like the last but the leaves ^"-\%" long, 

 scabrous: pedicels ascending: capsules 2'/'-3'^ long: upper leaves ex- 

 ceeding the pedicels. — Common throughout in moist meadows and woods, 

 especially along the Missouri River. July-September. 



6. G. Skinneriana Wood. l°-2° high, scabrous, the branches and 

 pedicels strictly erect : leaves linear, ^" long: pods Z"-\" long. — Rarely 

 occurs in barrens at Greenwood. July-September. 



17. PEDICULARIS L. 



Herbs with pinnatifid leaves and flowers in terminal spikes. Corolla 

 2-Iipped, the upper strongly arched, the lower erect, 3-lobed, the lobes 

 spreading. Stamens ascending under the upper lip. 



1. P. Canadensis L. Lousewort. 6^-15' high, hairy : leaves ob- 

 long-lanceolate, pinnately parted: corolla yellow, 10'^ long, the upper 

 lip 2-toothed at the apex. — Frequent in dry banks and prairies through- 

 out the southern part. April-May. 



Family 111. LENTIBULARIACEAE Lindl. 

 Herbs with perfect, irregular flowers borne on erect scapes. Calj'x 2- 

 lipped. Corolla strongly 2-lipped, the lower lip 2-lobed, with a jjalate 

 nearly closing the throat, and spurred at the base. Stamens two. Ovary 

 superior, Icelled, with a free central placenta bearing many ovules. 



1. UTRICULARIA L Bladderwort. 

 Ours are aquatic herbs with flnely dissected bladder-bearing leaves and 

 yellow flowers. Upper lip of corolla erect, the lower bearded in the throat. 



Pedicels recurved in fruit. I. U. vulgaris. 



Pedicels erect in fruit. 2. U hiHora. 



1. U. vulgaris L. Scapes 3-l5-flowered : corolla 6"-9'^ broad, the 

 lower lip longer than the spur. — Common in ponds near Sheffield, 

 Atherton, Sibley and Lake City. May -September. 



2. U. biflora Lam. Scapes 1-8-flowered : corolla 3"-5" broad, the 

 spur nearly as long as the lower lip. — Abundant at times in the lake at 

 Lake City. July-September. 



Family 112. OROBANCHACEAE Lindl. 

 Root-parasitic herbs, the leaves reduced to scales. Flowers perfect, 

 irregular. Calyx 4-5-tootbed. Corolla tubular, 2-lipped, the lower lip 



