1536 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM 



DOUBTFUL SPECIES. 



MoNTANOA ASCHENBORNii Scliultz Bip.; C. Kocli, Wochenschr. Gartn. 7: 407. 

 1864. Eriocoma ascheribornii Kuntze, Rev. Gen. PL 1: 336. 1891. 



MoNTANOA BipiNNATiFiDA (Kunth) C. Koch, Wochenschr. Gartn. 7: 407. 

 1864. Uhdea bipinnatifida Kunth, "Ind. Sem. Hort. Berol. 1847: 13. 1847." 

 Closely allied to M. pyramidata Schultz Bip., and perhaps identical. 



MoNTANOA CRENATA Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 407. 1864. 

 Eriocoma cretiata Kuntze, Rev. Gen. PI. 1: 336. 1891. 



MoNTANOA ELEGANS C. Koch, Wochenschr. Gartn. 7: 408. 1864. Eriocoma 

 elegans Kuntze, Rev. Gen. PI. 1: 336. 1891. Apparently closely related to 

 M. pyramidata Schultz Bip., if not identical with that species. 



MoNTANOA KARViNSKii (DC.) Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 

 407. 1864, as M. karwinskyi. Moniagnaea karvinskii DC. Prodr. 5: 565. 1836; 

 Moniagnaea clematideaW sdp.hinnaea, 14: 308. 1840; Montanoa clematidealieinsl. 

 Biol. Centr. Amer. Bot. 2: 165. 1881; Eriocoma clematidea Kuntze, Rev. Gen. 

 PL 1: 336. 1891; Eriocoma karwinskyi Kuntze, Rev. Gen. PL 1: 336. 1891. 



MoNTANOA OLivAE Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 406. 1864. 

 Eriocoma olivae Kuntze, Rev. Gen. PL 1: 336. 1891. 



MoNTANOA TRILOBA Schultz Bip.; C. Koch, Wochenschr. Gartn. 7: 406. 1864. 

 Eriocoma triloba Kuntze, Rev. Gen. PL 1: 336. 1891. 



53. VARILLA A. Gray, Mem. Amer. Acad. n. ser. 4: 106. 1849. 



Reference: A. Gray, Syn. Fl. 12; 257. 1884. 



Shrubby, low, glabrous; leaves linear, entire, opposite or alternate; heads 

 discoid, yellow, .solitary or cjmose-panicled; involucre about 2-seriate, of lanceo- 

 late, indurate, vittate, appressed phyllaries; achenes subcylindric, 10 to 15- 

 ribbed; pappus none or of about 10 weak bristle-like awns. 



Only two species of this genus are known. 

 Heads cymose-panicled; leaves opposite, acuminate, not fleshy. 1. V. mexicana. 

 Heads solitary, long-peduncled; leaves chiefly alternate, obtuse, fleshy. 



2. V. texana. 



1. Varilla mexicana A. Gray, Mem. Amer. Acad. n. ser. 4: 106. 1849. 

 Coahuila and Chihuahua; type collected between Pelayo and Cadena, 



Chihuahua. 



Low shrub, about 1.5 meters high, somewhat glutinous, oppositely branched; 

 leaves linear-attenuate, 3 to 8.5 cm. long, 1.5 to 3 mm. wide; achenes about 10- 

 ribbed, 2.5 mm. long; pappus of about 10 short, weak, often sparsel}^ branched, 

 bristle-like, persistent awns. "Varilla" (Coahuila); "jarilla." 



2. Varilla texana A. Gray, PL Wright. 1: 123. 1852. 



Northern Mexico (according to Gray). Texas; type collected between the 

 Nueces River and the Rio Grande. 



Frutescent, tufted, about 30 cm. high; leaves 1.5 to 3.3 cm. long, 1 to 2 mm. 

 wide; peduncles 6 to 15 cm. long; achenes about 15-ribbed, epappose. 



54. AQIABAMPOA Rose; O. Hoffm. in Engl. & Prantl, Pflanzenfam. 4^: 



390. 1894. 

 Reference: Rose, Contr. U. S. Nat. Herb. 1: 335. pi. 32. 1895. 

 1. Agiabarapoa congesta Rose; O. Hoffm. in Engl. & Prantl, Pflanzenfam. 4^: 

 390. 1894. 

 Sinaloa; type from Agiabampo. 



Woody below, 1.5 to 2 meters high, strigillose, exuding a gum with odor of 

 turpentine; leaves opposite, often alternate above, their blades lance-ovate to 

 linear-lanceolate, 3 to 8.5 cm. long, 0.4 to 2.5 cm. wide, acuminate, subentire. 



