PAINTER— REVISION OF SUBGENUS CYCLOBOTHRA. 349 



Stem 10 to 50 cm. high, simple or branching from a fibrous-coated corm about 1.5 

 cm. in diameter; leaves narrowly linear, the radical very long, the cauline shorter, 

 somewhat clasping but not dilated at base; flowers yellow, nodding on long peduncles 

 exceeding the leaves; sepals oblong-lanceolate, narrower than the petals but of the 

 same length, somewhat hairy near the middle but not ciliate, acute, or mucronulate; 

 petals rhombic-ovate, acute, or acuminate, with a densely hairy gland near the base, 

 the hairs yellow or purple and in dried specimens sometimes extending beyond the 

 margins giving the appearance of ciliation; anthers 3 to 4 mm. long, shorter than the 

 filaments. 



Distribution: Throughout the plateau region of Mexico. 

 Specimens examined: 



Guanajuato: Mountains, September, 1903, A. Duges 3; 1880, Prof. A. Duges. 

 San Luis Potosi: In montibus San Moquelito, ex convalle San Luis Potosf, 

 /. G. Schaffner in 1876, no. 542; San Luis Potosf, /. G. Schaffner in 1879, no. 

 229; in the region of San Luis Potosi, altitude 1,800 to 2,400 meters, Parry 6c 

 Palmer 891 in 1878. 

 Hidalgo: Near Real del Monte, C. Ehrenberg 18; between Pachuca and Real 

 del Monte, August 31, 1903, J. N. Rose & Jos. E. Painter 6702; near El Salto, 

 September 6, 1903, /. N. Rose & Jos. E. Painter 7084; on Sierra de Pachuca, 

 July 20, 1905, J. N. Rose, Jos. IT. Painter & J. S. Rose, no. 8774; between 

 Somoriel and Las Lajas, August 5, 1905, /. N. Rose, Jos. IT. Painter & J. S. 

 Rose 9237. 

 Mexico: Meadows and banks, Flor de Maria, August 1, 1890, C. G. Pringle 3185; 



near Salazar, September 14, 1903, /. A 7 . Rose & Jos. IT. Painter 7048. 

 Federal District: Valley of Mexico, Zacoalco, August 10, 1865-66, Rourgeau 

 687; near San Angle, August 15, 1905, /. JV. Rose, Jos. IT. Painter, <fc /. S. 

 Rose 9485; near Tlalpam, August 20, 1903, /. N. Rose & Jos. H. Painter 6457; 

 in 1905, 9440; same locality, August 20, 1896, /. W. Earshbergcr 161; hills 

 above Santa Fe\ September 4, 1901, C. G. Pringle 9302; grassy slopes near 

 Eslaba, September 18, 1903, C. G. Pringle 11714; pedregal east of Ajusco, 

 September 8, 1903, /. N. Rose & Jos. E. Painter 6842. 

 Oaxaca: Cerro de San Filipe, September 23, 1895, C. Conzatti 703; same locality, 

 October 2, 1894, Charles L. Smith 745; La Carbonera, September 20, 1895, 

 Lucius C. Smith 791. 

 Durango: Papasquiero, August 7, 1898, E. W. Nelson 4667. 

 Specific locality unknown : "Mexico" Dr. Coulter 1556, 1557, 1558; "Mexico" 

 C. Ehrenberg 259, 754; "cultivated from Pringle's bulbs," 1891. (Gray 

 Herbarium.) 



11. CALOCHORTTTS BARBATUS CHTJTUAHUANTJS Painter, subsp. nov. 



Stem 20 to 30 cm. high, from a fibrous-coated corm about 1.5 cm. in diameter; 

 leaves all linear, the basal broader, cauline clasping; flowers horizontal on long 

 peduncles exceeding the leaves; sepals ovate, acuminate, externally glaucous and 

 purple, internally with a hairy zone along the midvein, 1.5 to 1.8 cm. long; petals 

 broadly ovate, acuminate, the upper half yellow, the basal half purple with a very 

 hairy gland, the entire surface densely hairy; anthers 4 to 5 mm. long. 



Type in the U. S. National Herbarium, no. 33323, collected in the Santa Eulalia 

 Mountains, September, 1885, by C. G. Pringle (no. 328). 



Distribution: In the Sierra Madre of Chihuahua and Durango. 



