1620 CONTRIBUTIONS FROM THE NATIONAL. HERBARIUM 



Shrubby; stem arachnoid, glabrate; leaf blades ovate or suborbicular-ovate, 



8 to 14 cm. long, acute or acuminate, rounded to cuneate at base, green above, 

 canescent-tomentose beneath; heads numerous, in usually broad panicles; 

 involucre about 8 mm. high. 



12, Liabum platylepis Schultz Bip.; KHatt, Leopoldina 23: 146. 1887. 

 Known only from the type locality, Mirador, Veracruz. 

 Shrub, epiphytic on oaks; branches lanate; leaf blades rhombic, 12.5 cm. long, 



9 cm. wide, green above, white-tomentose beneath; heads thyrsoid-panicled. 

 (Description compiled.) 



DOUBTFUL SPECIES. 

 Liabum liebmannii Klatt, Leopoldina 23: 146. 1887. 



Sinclairia liebmannii Schultz Bip.; Klatt, Leopoldina 23: 146. 1887, as 



synonym. 

 Known only from the type locality, Bartolo, Mexico. 



Heads terminal, densely thyrsoid-panicled; phyllaries lanceolate, green; achenes 

 hirsute; pappus rufous. (Description compiled.) 



105. LEPIDOSPARTUM A. Gray, Proc. Amer. Acad. 19: 50. 1883. 

 1. Lepidospartum squaraatum A. Gray, Proc. Amer. Acad. 19: 50. 1883. 



Linosyris squamata A. Gray, Proc. Amer. Acad. 8: 290. 1873. 



Telradymia squamata A. Gray, Proc. Amer. Acad. 9: 207. 1874. 



Northern Baja Cahfornia. California to Nevada and Arizona; type from 

 California. 



Rigid broomUke shrub 1 to 2 meters high; branches and obovate-spatulate 

 entire leaves (about 1 cm. long) of young plants densely canescent-tomentose; 

 older branches and stem practically glabrous, green, with minute, appressed, 

 scale-like leaves 1 to 2 mm. long; heads pale yellow, 10 to 18-flowered, in long 

 racemes or narrow panicles, discoid, 1 cm. high; involucre about 4-seriate, strongly 

 graduate, about 5 mm. high, of ovate to oblong, appressed, scarious-margined 

 phyllaries; achenes glabrous; pappus of abundant soft white bristles. 



106. HAPLOESTHES A. Gray, Mem. Amer. Acad. n. ser. 4: 109. 1849. 

 1. Haploesthes greggii A. Gray, Mem. Amer. Acad. n. ser. 4: 109. 1849. 



Coahuila; type from Cienaga Grande. Oklahoma and Texas to Colorado and 

 Arizona. 



Herbaceous or suffrutescent, 60 cm. high or less, erect, rather fleshy, pale 

 green, glabrous; leaves opposite, narrowly linear or filiform, 3 to 7 cm. long, 

 1 to 2 mm. wide, acute, entire, 1-nerved, connate at base; heads in small panicles, 

 pale yellow, radiate, about 1 cm. wide; involucre 2-seriate, equal, of "4" or 5 

 very broadly oval or obovate-oval, blunt, many-nerved phyllaries; achenes slender, 

 10-ribbed, hispidulous, 2 mm. long; pappus of about 24 scabrid bristles, about 

 as long as the achene or longer. 



107. PEUCEPHYLLUM A. Gray in Torr. U. S. & Mex. Bound. Bot. 74. 1859. 

 1. Peucephyllum schottii latisetum I. M. Johnston, Proc. Calif. Acad. IV. 

 12: 1212. 1924. 



Baja California and Sonora; type from San Marcos Island, Gulf of California. 



Shrub up to 3 meters high, much branched, resinous-glandular on the young 

 parts; leaves alternate, crowded, linear-filiform, about 2 cm. long, 1 mm. wide, 

 thick, entire, obtuse, glandular-punctate; heads solitary at tips of branches, 

 short-peduncled, discoid, dull yellow, about 1 cm. high and thick; involucre 

 2-seriate, equal, 8 to 10 mm. high, the phyllaries lance-linear, caudate-attenuate, 

 herbaceous above; achenes densely silky-pilose, about 2.5 mm. long; pappus 

 several-seriate, the outer of numerous graduate bristles, the inner of about 

 15 linear acuminate paleaceous awns about 5 mm. long. "Romero" (Baja 

 California) . 



Used medicinally. 



