1921] NATURAL SCIENCES OF PHILADELPHIA. 533 



Arid valleys, near the Rio Grande in Valverde County, Texas. 

 Extends westward through Trans-Pecos Texas; Lower Sonoran 

 zone. 



Texas. Valverde: Del Rio, Hanson 377 (Y), E. J. Palmer 

 11353 (M), Pilsbry (A). 



7. Castilleja latebracteata Pennell, sp. nov. 



Root perennial. Stems several or many, 2-4 dm. tall, finely 

 pubescent or above bearing longer hairs, some hairs gland-tipped. 

 Leaves B-7 cm. long, oblong-oblanceolate, 3-nerved, entire, roughish- 

 puberulent or -pubescent. Bracts oblong or nearly obtriangular, 

 broadly rounded, sometimes as wide as long, distally violet-red. 

 Sepals 22-24 mm. long, those of each side united to apex, truncate- 

 rounded, pubescent, distally violet-red. Corolla 25-27 mm. long; 

 posterior lip 11-12 mm. long, pubescent dorsall}'', with broad thin 

 margin; anterior about 1 mm. long, incurved. Stigma .5-.7 mm. 

 wide. Capsule at least 11 mm. long. 



Type, High Bridge of the Pecos, Valverde Co., Texas, collected 

 in flower April 27-28, 1903, Dr. H. A. Pilsbry; in Herb. Academy of 

 Natural Sciences of Philadelphia; isotype in Herb. New York 

 Botanical Garden. 



Nearly related to C. nervata Eastw., and C. rigida Eastw., both 

 from Chihuahua. From both it differs in its wide leaves and lesser 

 amount of pubescence; also from the former in larger flowers and 

 lack of prominence of the lateral nerves or ribs of the leaf. 



Flowering in late April. 



Arid valleys, near the Rio Grande in Valverde County, Texas. 

 Lower Sonoran Zone. Known only from original collection. 



8. Castilleja coccinea (L.) Spreng. 



Bartsia coccinea L., Sp. PI. 602. 1753. "Habitat in Virginia, Noveboraco" 



Type, Clayton 293, is certainly the plant here considered. 

 Castilleja coccinea (L.) Spreng., Syst. Veg. 2: 775. 1825. 



Corolla yellowish-green, posterior lip yellowish-margined, the 

 anterior yellowish-white with thickened green base. Bracts and 

 sepals distally scarlet-red. Flowering from March to May. 



Moist sandy meadows and glades, northwestern Arkansas; in 

 Coastal Plain in moist pineland of Central Louisiana and on coast 

 prairies of southwestern Louisiana. To be expected through 

 intervening areas. Ranges from Maine to Manitoba and Kansas, 

 south to Georgia and Louisiana. 



Arkansas. Benton: , Harvey 60 (M). Carroll: Beaver, 



E. J. Palmer 5590 (M). 



Louisiana. Calcasieu: Lake Charles, Cocks (L); Welsh, E. J. 



