— 114 — 



Calcar filiforme. 



1. aefiiiale i. e. nou itill;iliuii. 



21. <>. <jH(iilri[)i(iu:lida Toi. 



2. basi intlatiim. 



22. 0. anaiolica Boiss. 



% Folia linearia v. lineari-lanceolata. 

 Calcar teres cylindraceuni. 



23. 0. J((.ri/l(j]-a lynn. 

 Calcar conicnni. 



21. (>. parrifoHa CJiaah. 



Caulis sub anthesi fistulosus, (Latifoliae,) 



Folia angustata si»icani attinj>-entia v. basiii 

 superantia, 25, O. inraniata L. 

 Folia medio latissima oblongo-lanceolata, 

 C^alcar (•ylindracenin ampluni. 



2(i. (>. hitifuHa L. 



Calcar graclle curvatum. 



27, 0. jiseadosaiiihucina Tcn. 

 Calcar cylindraceo-conicum. 



28. 0. samhacina L. 

 Caulis sub antliesi solidus, 



29. 0. maculata L, 



III. Integrilabia, (Amer, boreal,) 



Sepala petalaque in galeam conglutinata, labellam in- 

 tegrura. 30. 0, spcctahiJis L. 



IV. Chusuae, (Indicae,) 



Labellum integrum v, obscure trilobum, scapus mono- 

 phyllus. 



fLabelhim trilobum. 



Folia linearia 1 — 2, 31. 0. Chusna Don. 

 Folium 1 oblongum. 

 longe petiolatum. 



scapum aequans. 32. 0. spathulata Echh. f. 



-{"{-Labellum sub simplex v. obscure trilobum. 



33. 0. Straclteyi Hook. f, 



