532 PROCEEDINGS OF THE ACADEMY OF [Pait III 



Medina: Hondo, Pilsbry (A). Menard: Menard, E. J. Palmer 



11876 (bracts yellow) (M). Parker: , N — (M, U). Tom 



Green: San Angelo, Reverchon 3932 (M, U). Travis: Austin, 

 Pennell 10437 (U, Y). 



5. Castilleja citrina Pennell, sp. nov. 



Root perennial. Stems several, 1-3 dm. tall, arachnoid-lanate 

 with close pubescence. Leaves 3-6 cm, long, narrow, 3-ribbed, 

 trifid, with narrow falcate lobes loosely or finely cinereous-pubes- 

 cent, pale. Bracts broader, conspicuously trifid, distally lemon- 

 yellow. Sepals 18-20 mm. long, those of each side united less 

 than one third length, all obtuse, puberulent, distally lemon-yellow. 

 Corolla 18-23 mm. long; posterior lip 9-10 mm. long, deep-green 

 with pale -yellow thin margins; anterior 3-4 mm. long, proximally 

 deep -green, distally flaring, pale -yellow; all lobes glandular -pubes- 

 cent, the posterior with longer hairs. Stigma about .7 mm. wide. 

 Capsule 10-12 mm. long, ovoid in outhne, brown. Seeds about 

 1.2-1.5 long, oblong, alveolate-reticulate, dark-brown or blackish. 



Type, stony limestone knoll, Talpa, Coleman County, Texas, 

 collected in flower and fruit May 20, 1920, F. W. Pennell 10516; 

 in Herb. New York Botanical Garden. 



Rocky calcareous bluffs and prairies or low hills, prairies of 

 western Oklahoma, south to Coleman and Concho regions of cen- 

 tral Texas; lower Sonoran Zone (at altitudes of 1,400 to 2,400 feet). 

 Flowering in May and soon ripening fruit. 



Oklahoma. [Beckham: Doxey, observed by Pennell]. Woods: 

 Waynoka, Stevens (M, U); Whitehorse. 



Texas. Callahan: Baird, E. J. Palmer 13695 (M). Coleman: 

 Talpa, Pennell 10516 (A, H, K, M, O, T, U, Y). Howard: Big 

 Spring, Eggert (M). Tom Green: San Angelo, Pennell 10501 

 (C, J, Y), 10508 (A, H, L, M, T, U, Y). 



6. Castilleja lanata A. Gray. 



Castilleja lanata A. Gray, in Torr., Bot. Mex. Bound. 118. 1859. "Along 

 and near the Rio Grande, from Eagle Pass, etc., to El Paso; Wright (452, 

 1495), Bigelow, Parry, etc." Cotype, Wright 1495, seen in Herb. 

 Columbia University at the New York Botanical Garden. 



Bracts and sepals distally red. Flowering in late March and 

 April. 



leaves. Few fruits developed. Capsule 12-14 mm. long, probably not normal. 

 No seeds seen. Inflorescence nearly whole height of plant. Sepals 20 mm. 

 long, lateral narrowing, acutish. Corolla 25-30 mm. long, narrow, galea 8-10 

 mm. long, lip 3 mm. long, thin, distal portion as long as the thickened green 

 basal portion. 



From a different formation west of the range of C. lindheimeri A. Gray, but 

 material insufficient for positive identification. 



