170 SCEOPHaLA.RIACEAE 



1. VBRBASCXJM L. 



Erect herbs with alternate leaves and spicate or racemose flowers. 

 Corolla rotate, 5-lobed, the lobes nearly equal. Three or all the fila- 

 ni ents pilose. 



Plant densely woolly. 1. V. Thapsus. 



Plant nearly glabrous. 2. V. Blatlaria. 



1. V. Thapsiia L. Mullbn. 2°-8° high : leaves oblong, orenulate, 

 decurrent : flowers yellow in a dense spike. — An abundant weed in waste 

 places. June-September. 



2. V. Blattatia L. Moth Mullen. 1°-3° high, slender : leaves 

 oblong, doubly dentate, the lower petioled, the upper clasping : flowers 

 purplish-white in a loose raceme. — Locally frequent in fields near Inde- 

 dependence and Courtney. May-July. 



2. LINARIA Hill. 



Herbs with alternate leaves and spicate-racemose flowers. Corolla 

 nearly closed in the throat. 



1. L. vulgaris Mill. Buttbb-and-Eggs. Glabrous perennial, l°-3° 

 high : leaves linear : corolla yellow, 1' long. — Locally naturalized in 

 waste places. Grain Valley, Independence, Kansas City, Sibley. June- 

 October. 



3. SCROPHULARIA L. Figwokt. 



Perennial herbs with opposite leaves and cymose-paniculate flowers. 

 Two upper lobes of corolla erect, longer than the lower. 



Sterile stamen purple. 1. 8. Marylandica. 



Sterile stamen greenish-yellow. 2. /?. leporella. 



1. S. Marylandica L. 3°-8° high, nearly glabrous : inflorescence 

 glandular-pubescent : leaves ovate, slender-petioled, sharply serrate : 

 corolla 3" long, dull without, shining within. — Common in thickets 

 throughout. July-October. 



2. S. leporella Bicknell. Closely resembles the last : corolla shining 

 without, dull within. — Occurs locally near SheflSeld and Independence. 

 May-June. 



4. CHELONE L. 



Herbs with opposite leaves and densely spicate, braoted flowers. Co- 

 rolla tube inflated, the upper lip concave, emarginate, the lower 3-lobed. 



1. C. glabra L. Tuetlk Head. 1°-3° high, glabrous : leaves lan- 

 ceolate, short-petioled, serrate : flowers white, 1' long. — On a hillside 

 along the Mo. Pao. R.E. between Lee's Summit and Little Blue Tank. 

 Eare. July-September. 



5. PBNTSTEMON Soland. Beard Tongue. 

 Herbs with opposite leaves and racemose panicled flowers. Corolla 

 tubular, its limb slightly 2-lipped. 



