534 PROCEEDINGS OF THE ACADEMY OF [Part III 



Palmer 7656 (M) [Leaves entire or nearly so, apparently approach- 

 ing C. indivisa Engelm.]. Rapides: Alexandria, Hale (L). 



9. Castilleja indivisa Engelm. 



Castilleja indivisa Engelm., in Boston Journ. Nat. Hist. 5: 255. 1845. 

 "284 . . . Prairies from Houston to the Colorado [Texas, Lindheimer]", 

 Isotype, Lindheimer, Fasc. II., 284, collected in 1844, seen in Herb. Acad- 

 emy Natural Sciences of Philadelphia. 



Corolla greenish, the posterior lip with yellowish thin margins 

 and the anterior conspicuously thickened and green. Bracts and 

 sepals distally red. Flowering from March to April and soon 

 ripening fruit. 



Sandy loam, prairies, through the Coastal Plain of middle Texas, 

 from Hunt to Harris, Bexar and Kleburg counties. Common on 

 the coast prairie of mid-coastal Texas, inland west of the pine belt 

 to the black belt ; Austroriparian Zone (at altitudes under 700 feet) . 



Texas. Austin: Kenney, Pennell 10312 (P, Y); San FeHpe, Pen- 

 nell 10291 (M, Y) ; WalHs, Pennell 10286 (A, C, H, J, K, L 0, S, T, 

 U. Y). Bexar: San Antonio, Blake (Y). Brazoria: Columbia, 

 Bush 74 (M, U, Y). Brazos: Bryan, E. J. Palmer 7787 (M); 

 College Station. Colorado: Eagle Lake, E. J. Palmer 4929 (M). 

 Comal: New Braunfels, Lindheimer (M). Dallas: Dallas, Rev- 

 erchon (A, M, P, U, Y). Dewitt: Cuero, Howell 297 (U). Fort 

 Bend: Richmond, Bray 109 (T, LT); Rosenberg. Harris: Houston, 

 Hah 422 (M, U, Y), Pennell 10253 (Y); Hockley. Hunt: Com- 

 merce, Warren 124 (M). Jackson: Ganado, E. J. Palmer 9222 

 (M). Kaufman: Terrell, Reverchon (M). Kleburg: Kingsville, 

 High 74 (M). McLennan: Waco, Ricker 3362 (U). Navarro: 

 Corsicana, Reverchon 3222 (M). Robertson: Calvert, Mer- 

 rill 27 (Y). Victoria: Victoria, Tracy 9165 (M, P, T, U, Y). 

 Wharton: Hungerford, E. J. Palmer 4848 (M). 



30. PEDICULARIS Linne. 

 Pedicularis L., Sp. PL 607. 1753. 

 Type species, P. palustris L., of Europe. 



1. Pedicularis canadensis L. 



Pedicularis canadensis L., Mant. 86. 1767. "Habitat in America sep- 

 tentrionaU. Kalm." Description distinctive. 



Corolla hght-yellow throughout (not showing the purple frequent- 

 ly developed in northern plants of this species). (Cf. Nuttall, in 

 Trans. Am. Phil. Soc. 5: 179. 1834.) Flowering in April, and soon 

 ripening fruit. 



