1921] NATURAL SCIENCES OF PHILADELPHIA. 531 



3. Castilleja purpurea (Nutt.) G. Don. 



Eudiroina purpurea Nutt., in Trans. Am. Phil. Soc. II. 5: 180. 1837. 

 "Hab. On rocks in the hilly prairies of Red River [Arkansas Territory. 

 T. Nuttall]" Type seen in Herb. Academy of Natural Sciences of Phil- 

 adelphia. 



Castilleja purpurea (Nutt.) G. Don, Gen. Hist. 4: 615. 1838. 



Rocky prairies and bluffs, especially calcareous, in the Grand and 

 Black Prairies and adjacent hills, southeastern Oklahoma and north- 

 eastern Texas; also in the prairies of the Verdigris River in north- 

 eastern Oklahoma. Flowering in April and May, and soon ripen- 

 ing fruit. 



Oklahoma. Atoka: Limestone Gap, G. D. Butler 30 (U). 

 McCurtain: Idabel, Houghton 3681 (M). Rogers: Catoosa, Bush 

 1048 (M, Y). 



Texas. Dallas: Dallas, Reverchon 714 (M, P, U). Hood: 

 Granbury, Eggert (M, U, Y). Tarrant: Texas Christian Univ., 

 Ruth 371 (U, Y). 



4. Castilleja lindheimeri A. Gray. 



Castilleja lindheimeri A. Gray, Syn. Fl. N. Am. 2. 1: 298. 1878. "Stony 

 or fertile mountain prairies, on the Piedernales and Guadalupe, W. Texas. 

 Lindheimer, &c." Type not seen, but description distinctive. 



Corolla whitish-green, the posterior lip with orange-red margin, 

 the anterior pinkish-red and green-thickened at base. Bracts and 

 calyx distally orange-red. Flowering in April and May, and soon 

 ripening fruit. 



Gravelly or rocky calcareous soil, prairies or hills, from Parker 

 and Tom Green (or Martin) to Hays and Uvalde counties, Texas. 

 Common on the hills of the Edwards Plateau, on the Lampasas 

 Plain and in the Coleman and Concho districts. Lower Sonoran 

 Zone (at altitudes of 500 to 2,000 feet). 



Texas. Bexar: Camp Stanley Jnc, Pennell 10414 (T, Y). 

 Blanco: Blanco, E. J. Palmer 13290 (M). Coleman: Coleman, 

 Reverchon 117 (M). Comal: Fischer Store, E. J. Palmer 12189 

 (M). Comanche: Comanche, Eggert (M). Gillespie: Nibo Mt., 

 Jermy 279 (M, U). Hays: San Marcos, Pennell 10431 (A, C, H, 

 K, M, T, U, Y). Hood: Granbury, Eggert (M). Kendall: 

 Boerne, Pennell 10421 (P, Y). Kerr: Kerrville, Heller 1630 

 (A, M, U, Y), Pennell 10364 (A, H, L, M, T, Y), 10396 (J, O, S, U, Y) ; 

 Laceys Ranch; Turtle Creek. [? Martin :i" Stanton, Eggert (M).] 



" Martin: Stanton (prairies n.) H. Eggert, collected in flower and fruit June 

 13, 1900 (M). 



Plant 3.5 dm. tall, in fruit and late flower. Faded and with broken short 



