15 A. citratum Thou. Orch. lies Afr. (1822) t. (31 



t. 5G24; Illustr. Ih.iI. . I88O1 1. 592; Nidi, in Join 

 (1885) p. 481 ; Lindenia V (1889) t. 238. 



Madagascar, Baron 201; Hiklcbr. MOT, Elliot 1*^>. 



16 A. clandestinum Lindl. in Hook. Com p. Bo 



p. 206; 7?cM. /". in TF«/p. Annal. VI p. 900. 



17 A. clavigerum Ridl. in Journ. Linn. Soc. XXI < 



18 A. conchiferum Lindl. in T/oofc. Comp. Bot. Mag. 



p. 205'; *SW. in Linmea XIX (1847) p. 75; Rchb. f. 

 Annal. I p. 792; VI p. 900; Bolus in Journ. Linn. ! 

 (1889) p. 180. 



Afr. austr. : colonie du Cap. 



19 A. cornutum Rchb. f. in Flora (1885) p. 538. 



20 A. Cowanii Kid!, in Jnnrn. Linn. Soc. XXI ( 



21 A. crassum Ftom. Orch. lies Afr. 1822 t. 70 el 71; Lindl. 



and sp. Orch. p. 245; Ridl. in Journ. Linn. Sue. XXI -1885; p. 



23 A. cucullatum 77. 

 Fr. et Bourb. p. 6" 

 uxBak. Fl. of Man 



24 A. culiciferum Rchb. /'. in Flora (1885) p. 538. 



25 A.? Curnowianum Ridl. in Journ. Linn. Soc. XXI (1885) ] 



26 A. eburneum Thou. Orch. lies Afr. - 1822. t. 65; A. Rich. Orch. 

 iles Fr. et Bourb. t. 71 ; Lindl. Gen. and sp. Orch. p. 245 ; Rchb. /'. 

 in Walp. Annal. I p. 792; VI p. 904; S. Moore in Bak. FL ofMaur. 

 p. 356; Williams Orch. Alb. I (1882) t. 41. 



