H. subauri- 

 culata 



ORCHIDACEiE 



3-nerved, 3 lines long; the lateral ones narrowly ovate, obtusish, 

 slightly exceeding the upper one : lateral petals linear-oblong, 

 obtusish, slightly falcate, subauriculate on the lower side at the 

 base, otherwise entire, 2 to 2^ lines long; labellum deeply 

 3-parted, the divisions linear, the lateral divaricately spreading 

 and slightly curved upwards, 2^ to 3 lines long, about equal- 

 ling the middle lobe : spur slender, scarcely clavate, green, about 

 4 lines long. — Collected by C. G. Pringle, on grassy slopes. 

 Las Sedas, Oaxaca, altitude 6000 feet, August, 1894, no. 4830. 

 Habit of H.flexuosa, LindL, and H. clypeata, Lindl., but with 

 lateral petals undivided." Rob. & Greenm. loc. cit. (Plate 77.) 



MEXICO, Oaxaca 



Grassy slopes, Las Sedas, 6000 ft., August, 1894, Pringle (no. 4830) 

 (2, 3, 4, 5, 7), (type). 



H. oriza- 

 bensis 



59. H. orizabensis Rich. &^ Gal, in Ann. Sci. Nat. ser. 3, 3: 29 



(1845). 



" 102. H. Orizabensis Nob. Fol. ovali-acutis ; flor. viridibus par- 

 vulis, appendice lanceolato, vix sepalo longiori : labello hnguae- 

 formi angusto, obtuso, basi dilatato." Rich. & Gal. loc. cit. 



Plant 18 cm. high, with 5 leaves along the stem, these ellip- 

 tic-oblong, abruptly acute, or pointed, 2.5-2.7 cm. long, 1.3 cm. 

 broad. Flowers scattered along the loose spike, bracts foliaceous, 

 the lower equalling the flowers. Ovaries winged. Dorsal sepal 

 7.5 mm., laterals 8.5 mm. long. Petals ± 6 mm. long, the anterior 

 divisions equal to the posterior. Labelluvi 9 mm. long. Spur 

 ± 9 mm. long. (Flowers are fragmentary on type). (A. A. E.) 

 (Plate 75.) 



MEXICO, Vera Cruz 



Fl. vertes en aout, Pic d: Orizaba, 10,000 pd., 1838, Linden (no. 184) (21), 

 (type). 



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