ORCHIDACEiE 



two species. It is highly probable that H. pauciflora should in- H. setifera 

 elude both H. setifera and H. spathacea, but my material has 

 been insufficient for a definitive conclusion regarding H. pauci- 

 flora. H. pauciflora appears to be confined to tropical South 

 America. 



MEXICO, DURANGO 



August 16, 1897, J. N. Rose (no. 2326) (2). 



San Luis Potosi: Hillsides, Las Canoas, August 8, 1891, Pringle (no. 

 5024) (3, 7). 



Jalisco: Rio Blanco, June-October, 1886, Dr. Edw. Palmer (no. 342) 

 (2, 3, 4, 16). — Plains near Guadalajara, September 10, 1890, Pringle 

 (no. 3571) (3); grassy slopes of rocky hills, August 21, 1893, Pringle 

 (no. 4507) (2, 3, 4, 7); September 30, 1903, J. N. Rose <§• Jos. H. Painter 

 (no. 7485) (2). 



Vera Cruz: Terrestre dans les savannahs^ Zacuapan, petales d'un vert 

 jaundtre; labelle, hlanc^Jleur enjuillet^ Linden (21), (type of H. spathacea 

 Rich, k Gal.). 

 Oaxaca : Choapam, Hartweg (20), (type). 



TRINIDAD 



St. Martha, Purdie (20). 



VENEZUELA 



Prope coloniam Tovar, Caracas, 1856-7, Fendler (no. 1409) (3), det. Lindl. 



PERU 



Tarapota, Spruce (no. 4953) (20). 



Reported as follows: 

 COLOMBIA 



Antioquia, Kalbreyer (no. 1915). 



37. H. mesodactyla Griseh., Fl. Br. W. Ind. 644 (1864); H.meso- 

 Krdnzl, in Engl. Bot. Jahrb. 16: 101 (1893), Orch. Gen. et Sp. ^^^^V^^ 

 1: 256 (1897); Cogn., in Urban Symb. Antill. 6: 302 (1909). 



"225. H. mesodactyla, Gr. {n. sp.). Slender; leaves linear- 

 setaceous, distant; flowers very distant in a 3-5-flowered spike: 



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