96 



ORCHIDE;E. 



ovariis 3 mm. longis 1mm. 

 latis cylindraceis. Flores aper- 

 tientes 6 mm. in diametro ; 

 sepala et petala crassa extus 

 viridi-flavescentia intus apice 

 basique purpurascentia ; labellum 

 albescens basi utroque latere 

 pnrpureo-maculatum. Sepalum 

 posticum obovatmn 5 mm. longum 

 2^ mm. latum 3-nervium apice 

 obtusum basi 1|- mm. latum 

 concavum, lateralia late obovata 

 4 mm. longa 3 mm. lata apice ob- 

 tusissima basi 2 mm. lata sub- 

 plana trinervia, nervis vix visis. 

 Petala lineari-spathulata 4| mm. 

 longa l mm. lata apice obtusa 

 basi angustata, nervis liaud visis. 

 Labellum basi columnaB affixum 

 basi saccatum, sacco 4 mm. pro- 

 fundo 2f mm. lato ore squama 

 posteriore lineari 2 mm. longa 

 apice 2-loba sub-clauso, 3-lobmn, 

 lobis lateralibus ad orem sacci erectis brevioribus, lobo terminal! 

 antice patent! desuper recurvo late rotundato vel transverse semi-rotundo 

 apice acuto-obtuso 3 mm. longo 4 mm. lato basi contracto 2 mm. lato. Columna 

 1% mm. longa basi contracta 1mm. lata apice dilatata l mm. lata. 



HAB. Formosa : loco non indicate : cult, in Taihoku seminario, leg. 

 B. HAYATA Mart. 1914. 



Cleisostoma ionosma LINDL.; HAYATA Ic. PI. Formos. n. p. 134. 

 Stauropsis lucJmensis ROLFE in Kew Bull. 1907, p. 131. 

 HAB. Formosa: Kusukusu, leg. B. HAYATA et S. SASAKI, 1912, Juni. 

 Cleisostoma oblongisepala HAYATA (Fig. 50) Ic. PL Formos. H. 



Fig. 49, Cleisostoma brachybotrya HATATA; 

 a, a flower; b, a lip and column; c, the same, 

 anther taken off ; d, the same, in vertical section ; 

 pi, transversal plate; e, transversal plate at the 

 mouth of the sac ; f , g, pollinaria, seen from, 

 different sides, shaded portions fig. in a, b and c, 

 show purple coloration. 



