ORCHIDACE^ 



Spur not exceeding 2 cm. in length 

 Middle division of the labellum longer 



than the laterals 38. H. Leprieuri 



Divisions of the labellum subequal 



39. H. Cruegeri 



40. H. repens 

 Spur exceeding 2 cm. in length 



Lateral sepals about 2 cm. in length 41. H. Pringlei 

 Lateral sepals less than 2 cm. in 



length 42. H. bicornis 



1F1I1F Leaves not essentially basal, ovate to lance- 

 olate, not much longer than broad, not ob- 

 long in the sense of having parallel sides 

 t Petals bipartite 



Spur usually exceeding 10 cm. in 

 length, about 8 cm. long in the 

 variety 43. H. macroceratitis 



Spur not exceeding 10 cm. in 

 length, not less than 4 cm. long 



var. hrevkalcarata 



44. H. lucoecapensis 



45. H. quinqueseta 



46. H. oreophila 



Spur not exceeding 4 cm. in length 



Stems maculate 47. H. monorrhiza 



Stems not maculate 



Divisions of the labellum glan- 

 dulose or minutely denti- 

 culate 48. H. crasskomis 

 Divisions of the labellum com- 

 paratively smooth, not 

 denticulate 



[ 18] 



