— 436 — 
Gymnadenia densiflora Dietr. v. G. co- 
nopsea R. Br. var. 
—  fragrans Saut. v. Nigritella sua- 
veolens Koch. 
—  intermedia Peterm. 
—  nigra Ait. v. Nigritella nigra 
Rchb. f. 
—  odoratissima A. Rich. 
—  vubra Wettst, v. Nigritella nigra 
Rchb. f. v. 
—  suaveolens Wettst. v. Nigritella 
suaveolens Koch. 
—  viridis Rich. v. Cœloglossum 
viride Hartm. 
Gyrostachis Pers. v. Spiranthes L. C. 
Rich. 
Habenaria Willd. 
—  albida R. Br. v. Gymnadenia 
Rich. 
— bifolia R. Br. v. Platanthera 
bifolia Rchb. 
—  BonateaRchb. f. 
—  chlorantha Babingt. v. Platan- 
thera Rich. 
—  ciliaris R. Br. v. Platanthera 
Ldl. 
—  cinnabarina Rolfe. 
—  cyistata R. Br. v. Platanthera 
Ldl. 
—  fimbriata R. Br. v. Platanthera 
Ldl. 
—  gigantea Don v. H. Susannae 
R. Br. 
—  militaris Rchb. f. 
—  speciosa Hort. v. H. Bonatea 
Rchb. f. 
—  Susannae KR. Br. 
Haemaria Ldi. 
—  Dawsontana Rchb. f. v. H. dis- 
color Ldi. var. 
—  discolor Ldl. 
—  — var, Dawsoniana Rchb, f. 
— — —  Ordiana Will. 
—  Otletae Rolfe. 
—  Rollissonii Lind. 
—  rubrovenia Rchb. f. 
Haematorchis BI. v. Galeola Lour. 
Haplochilus regius Endl. v. Zeuxine 
regia Ldi. 
Hartwegia Ldi. 
—  comosa Ldi. 
— — var. picta Ldi. 
— — —  eximia Rchb.f. 
—  purpurea Ldl. 
Helcia Ldl. 
—  sanguinolenta Ldil. 
Helleborine Pers. v. Serapias L. 
Herminium L. 
—  monorchis L. 
Hetevotaxis Ldl,v. MaxillariaR. etPav. 
Himantoglossum Spreng. 
—  hircinum Spreng. 
Hippoglossum Breda v. Cirrhopetalum 
Ldl. 
Hormidium pygmaeum Ldl, v. Epiden- 
drum pygmaeum Hook. 
Houlletia A. Brgn. 
—  Brocklehurstiana Ldl. 
— — var. maxima Hort. 
—  chrysantha Lind. et Andr. v. H. 
Wallisii Lind. et Rchb. f. 
—  Lansbergii Lind. et Rchb. f. 
—  Lowiana Rchb. f. 
— odoratissima Ldl. 
—  — var. antioquiensis Lind. 
— — —  xanthina Hort. 
—  picta Lind. et Rchb. f. 
—  stapeliaeflora Brongn. v. H. sta- 
peloides Brongn. 
—  stapeloides A. Brongn. 
—  tigrina Lind. 
— vittata Ldl. v. Polycycnis vittata 
Rchb. f. 
—  Wallisii Lind. et Rchb. f. 
Humboldtia KR. et P. v. Pleurothallis 
R. Br. 
Huntleya Batem. 
—  aromatica Batem, v. Warscewic- 
zella aromatica Rchb. f. 
—  Burtii Bat. 
— — var. major Rchb. f. 
— — — Wallisii Hook. 
—  candida Bat. v. Warscewiczella 
candida Rchb. f. 
—  cerina Bat. v. Pescalorea cerina 
RCRDEE 
—  grandiflora Bat. v. 
grandiflora Rich. 
—  marginata Bat. v. Warscewic- 
zella marginata Rchb. f. 
—  Meleagris Ldl. 
—  yadians Hook. v. Warscewiczella 
radians Rchb. f. 
—  violacea Bat. v. Bollea violacea 
Rchb. f. 
—  Wallisii Bat. v. H. Burtii Bat. 
var. 
Hypodematium À. Rich. v. Lissochilus 
RerBT: 
Iantha pallidiflora Hook. v. Ionopsis 
utricularioides Ldl. 
Ibidium Salisb. v. Spiranthes A. Rich. 
Ionopsis H. B. K. 
—  paniculata Ldi. 
— — var. grandiflora Hort. 
— — — maxima Hort. Lind. 
—  utricularioides Ldl. 
Ionorchis abortiva G. Beck v. Limo- 
dorum abortivum Sw. 
Ipsea Ldl. 
—  speciosa Ldi. 
—  Thomsoniana Pftz. 
Ividorchis gigantea B1. v. Cymbidium 
giganteum Wall. 
Galeottia 
