230 The Ohio Journal of Science [Vol. XXI, No. 7, 



1. Pedicels shorter than or but slightly longer than the calyx; plants of moist 

 ground 2. 



1. Pedicels much longer than the calyx, usually exceeding the corolla; plants 



of dry ground ;3. 



2. Corolla %-\}4 in- long A. purpurea. 



2. Corolla Yz-'^/i in. long A. paupercula. 



3. Plants leafy; leaves flat, linear to lanceolate, ^-1/2 in. long; pedicels often 



shorter than the subtending leaf-bracts A. fenuifolia. 



3. Plants very slender; leaves few and distant, filiform or with revolute margins, 

 three-eighths to five-eighths in. long; pedicels usually longer than the 

 subtending bracts A. skinneriana. 



1. Agalinis purpurea (L.) Pennell. Large-flowered Agalinis. 



vSmooth or roughish annual, with slender stem, l-2i^ ft. high, and 

 with long, rigid, widely spreading branches. Leaves narrowly linear, 

 usually widely spreading, 1-23^ in. long, rarely with clusters in their 

 axils, rough-margined. Flowers rose-purple or rarely white, '%-\}/i in. 

 long; pedicels shorter than or but slightly longer than the calyx; corolla 

 much expanded above, often downy, the lobes all spreading. Capsule 

 globose. In low ground, moist fields and meadows. August-October." 

 Rather general. 



2. Agalinis paupercula (Gr.) Britt. Small-flowered Agalinis. 



Annual, glabrous or nearly so, 6-18 in. high, the whole plant very 

 similar to the preceding species, but smaller, apparently intergrading 

 with it. Leaves narrowly linear, 3^-1 in. long. Corolla rose-purple, the 

 lobes all spreading, ^2 /i in- long. Capsule globose-oblong. In bogs 

 and low meadows. July-September. Stark, Ottawa, Logan, Cham- 

 paign, and Gallia Counties. 



3. Agalinis tenuifolia (Vahl.) Raf. Slender Agalinis. 



Glabrous annual with slender stem, 6-24 in. high; plant very leafy. 

 Leaves flat, linear to lanceolate, acute, Yi-XYi in. long. Flowers light 

 rose-purple, spotted, rarely white, %-^ in. long, the two upper lobes 

 ascending over the stamens and style; pedicels often shorter than the 

 subtending leaf-bracts. Capsule globose or slightly obovoid. In dry 

 woods and thickets. August-October. General. Our specimens include 

 both the typical form and A. tenuifolia macrophylla (Hook.) 



4. Agalinis skinneriana (Wood) Britt. Skinner's Agalinis. 



Very slender, roughish annual, 6-18 in. high. Leaves few and 

 distant, ){-% in. long, filiform or with revolute margins, commonly erect 

 and appressed. Corolla light rose-purple or white, up to Y^ in. in 

 length; pedicels usually longer than the subtending leaf-bracts. Cap- 

 sule oblong. In dry, sandy woods and thickets. August-October. 

 White-flowered form from southeastern part of Fulton County. 



15. Otophylla Benth. Otophylla. 



Annual, hirsute-pubescent herbs, with opposite, sessile, 

 entire or pinnately-divided leaves, all or some of them auricled 

 at the base. Flowers purple or white in terminal spikes. 



