1584 COXTRIBUTIOXS FROM THE NATIONAL HERBARIUM 



serrulate, rough above, sordidly subtomentose-pilosulous beneath; heads rather 

 numerous, cymose or cymose-panicled, the pedicels 1.5 to 8.5 cm. long; disk in 

 fruit 1 to 1.5 cm. thick; involucre 5 to 7.5 mm. high, the phyllaries about 3-seriate, 

 slightly graduate, oblong, obtuse; pales obtuse or acutish; rays about 6 mm. long. 



45. Verbesina seemannii Schultz Bip. in Seem. Bot. Voy. Herald 306. 1856. 

 Chihuahua; type frum the Sierra Madre of northwestern Mexico. 

 Shrubby; branches glabrous; leaves alternate; petioles 6 mm. long; blades 



oblong-lanceolate, 10 cm. long, 2.5 cm. wide, attenuate at each end, serrate, 

 rough above, glabrescent beneath; heads cymose; involucre 2-seriate, 2 mm. high, 

 the phyllaries ovate-oblong, obtuse; pales with reflexed mucro; rays 6 to 8 mm. 

 long. (Description compiled.) 



46. Verbesina angustifolia (Benth.) Blake, Journ. Bot. Brit. & For. 53: 199. 

 1915. 



Salmea angustifolia Benth. Bot. Voy. Sulph. 117. 1844. 



Known only from the type locality, west coast of Mexico. 



Shrub; branches densely spreading-hispidulous; leaves alternate; petioles 1 to 

 2 mm. long; blades lanceolate, 5.5 to 8.5 cm. long, 1.4 to 2.2 cm. wide, acute to 

 acuminate at each end, obscurely serrulate, harsh above, rather densely tuber- 

 culate-hispidulous beneath; heads several, exceeded by the leaves, the disk 

 9.5 mm. wide in fruit; involucre 2-seriate, about 1.5 mm. high, the phyllaries 

 broadly ovate, obtuse, nearly glabrous; pales with recurved tip; rays not seen. 



47. Verbesina cymbipalea Blake, Contr. U. S. Nat. Herb. 22: 638. 1924. 

 y Known only from the type locality, Tepic, Tepic. 



Probably shrubl)y; stem naked or narrowly winged, densely spreading-hispidu- 

 lous; leaves alternate; petioles 3 to 6 mm. long; blades lance-elliptic, 7 to 16 cm. 

 long, 1.5 to 4 cm. wide, acuminate at each end, serrulate, rough above, evenly 

 hispidulous beneath; heads numerous, panicled, the pedicels 1.5 to 3 cm. long; 

 disk in fruit 7 to 10 mm. thitk; involucre 2-seriate, 2 mm. high, the phj'llaries 

 oblong or oval, obtuse; pales with reflexed tip; rays 3 mm. long. 



48. Verbesina abscondita Klatt, Leopoldina 20: 93. 1884. 

 Verbesina smithii Robins. & Greenm. Proc. Amer. Acad. 32: 46. 1896. 

 Puebla and Oaxaca; type from Mexico, without definite locality. Guatemala. 

 Shrub, up to 5 meters high; branches pilosulous to hispidulous with spreading 



hairs; leaves alternate; petioles 2 to 8 mm. long; blades elliptic to rhombic-ovate, 

 5 to 10 cm. long, 2 to 3.8 cm. wide, acute to acuminate at each end, serrate or ser- 

 rulate, very rough and in age rugose above, beneath densely and griseously or 

 canescently subtomentose-pilosulous or hispidulous; heads numerous, cymose- 

 panicled, the pedicels usually less than 1 cm. long; disk in fruit about 7 mm. thick; 

 involucre about 3 mm. high, the phyllaries obtuse to acutish; pales straight- 

 tipped; rays about 2.5 mm. long. 



49. Verbesina perymenioides Schultz Bip.; Klatt, Leopoldina 23: 143. 1887. 

 Oaxaca; type from Yavesia. 



Shrub 2 to 5 meters high; branches strigose or strigillose; leaves alternate; 

 petioles 5 to 15 mm. long; blades elliptic-lanceolate or elliptic-ovate, 7.5 to 13 cm. 

 long, 2 to 4.5 cm. wide, acuminate at each end, serrate or serrulate, smooth above, 

 sparseW or rather densely and looseh' pilosulous beneath; inflorescence much as 

 in V. abscondita, but the pedicels strigillose, usually about 1 cm. long. 



50. Verbesina ortegae Blake, Proc. Biol. Soc. Washington 32: 191. 1919. 

 Known only from the type locality, San Ignacio, Sinaloa. 



Shrubby; branches strigillose; leaves like those of V. perymenioides, but 

 sparsely strigillose beneath; panicles as in V. perymenioides. 



