ORCHIDACEiE 



Mexico, in open woods oi Pinus ponder osa, in flower Septem- H. brevifolia 

 ber 14, 1880. 



*' A striking species, in floral character most likei/. sparsifiora, 

 Watson, which grows by shady streamlets in the same region, 

 but of very different habit, being nearly leafless, the foliage re- 

 duced to mere loosely sheathing bracts, their tips only some- 

 what leafy-spreading, and the stout stems flowering from near 

 the ground." Greene, loc. cit. 



NEW MEXICO 



In dry ground under Plnus ponderosa, Pinos Altos Mts., September 14, 

 1880, Edward Lee Greene (no. 369) (3, 4, 9, 16),(type). 

 Lincoln Co. : White Mts,, 7000 ft., August 17, 1897, E, O. Wooton 

 (2, 4, 5). 



MEXICO, Chihuahua 



Damp soil. Sierra Madre, October, 1887, C. G. Pringle (no. 1374) (2, 3, 



7, 16); Sierra Madre, near Colonia Garcia, 7500 ft., August 8, 1899, C. H. 



Toxsmsend S^ C. M. Barber (no. 216) (2, 3, 4, 5); August 1-20, 1899, E. W. 



Nelson (no. 6201) (2). 



Michoacan: Mountains near Patzcuaro, October 12, 1892, Pringle 



(no. 5314) (3, 7). 



Federal Dist. : Eslava, Valley of Mexico, 8000 ft., September 7, 1901, 



Pringle (no. 9626) (3), a single specimen. 



Guerrero: Top of Sieri'a Madre near Chilpancingo, alt. 9000-10,200 ft., 



December 24, 1894, Nelson (no. 2194) (2). 



Oaxaca: Wet soil. Sierra San Felipe, 8500 ft., August 8, 1894, Pringle 



(no. 5758) (3); September 12, 1897, C. Conzatti <Sf V.Gonzales (no. 458) (1). 



l6. H. volcanica {Lindl) Wats., in Proc. Am. Acad. 18: 159 H. volcanica 



(1883). — H. vulcanica {Lindl.) Hems., Biol. Cent. Am. 3: 306 



(1884). 



Platanthera volcanica Lindl, in Ann. Nat. Hist. 4: 381 

 (1840), in Benth. PI. Hartw. 53 (March, 1840). 



Gymnadenia neottioides Rich. <| Gal, in Ann. Sci. Nat. 



[ 107 1 



