NORTH AMERICAN 11 



743. Plantago albiflora Raf. scapose, 

 'leaves petiolate ample ovate, acute at both ends 

 base repaiid dentate, 7nerved, very smooth ; 

 scape longer striate subpilose below, spike elon- 

 gate imbricate, at base subverticillate, flowers 

 smooth, calix and bracts scariose oblong acute, 

 style elongate persistent pubescent. — In West 

 Kentucky and Tennessee, leaves to 8 inches 

 long 3 to 4 broad, subglaucescent, spike very 

 long pedal, calix whitish scariose with a green 

 nerve. Akin to PL cordata but not at all 

 cordate. 



744. Plantago texensis Raf. Scapose, silky 

 pilose, leaves elongate sessile linear obtuse 

 hardly trinerve, scapes equal or longer terete, 

 spike ovate and oblong dense imbricate, bracts 

 and calix ovate obtuse villose, segments of co- 

 rolla rounded concave, capsule disperme, seeds 

 elliptic concave. — A very distinct sp. of Texas 

 and Arkanzas, leaves semipedal, broader above^ 

 spikes from half inch to two inches long. 



745. Plantago linearis Raf Scapose, 

 leaves sessile linear elongate entire quite smooth 

 obtuse trinerve rugose ; scape terete pubescent 

 above, spike oblong dense, bracts linear triple 

 of flowers, calix oblong obtuse. — In Florida 

 found by fJaldwin or Kin, nameless in Coll. 

 •Herb. Perennial as most sp. leaves 2-4 inches 

 iong, bracts remarkably long, spike short uncial. 



746. Plantago globosa Raf. Scapose, leaves 

 sessile lanceolate uncial, base wooly, entire un- 

 cial, scapes longer filiform sulcate, spike glo- 

 bose minute dense, bracts and calix scariose 

 fulvous ovate acute. — Small, akin to PL indica 

 and my PL atrofasca, leaves seldom over one 

 inch, scapes 2 or 3 inches long, spike quite ca- 

 pitate very small as in PL indica. From South 



