110 



ORCHIDE/^. 



Arisanorchis Takeoi HAYATA, n. sp. (Fig. 57). Terrestris, tuberibus 

 oblongo-ovoideis horizontaliter sitis circ. Imm.longis 5mm. in diametro carnosis 

 flavescenti-rubescentibus singulis vel moniliforme continuis, apice scapum siugu- 

 lum emittentibus. Scapi erecti recti circ. 15 cm. longi apliylli fulvo-albescentes 



squamati, (squ- 

 amis tenuissimis 

 vaginiformibus a 

 se 2-3 cm. re- 

 motis hyalinis 

 circ. 1 cm. longis 

 cylindricis, ore 

 late obliquis 

 apice acutis), 

 tenuiter pilosi, 

 pilis tenuissimis 

 patentibus cris- 

 pis, partibus 

 floriferis 2 cm. 

 longis, floribus 

 generaliter 2-3 

 ase Icm.remotis 

 subsecundis, pe- 

 dicellis (exceptis 

 ovariis) 3 mm. 



d c 



Fig. 57, Arisanorchis Takeoi HAYATA ; a, the plant ; b, a flower ; c, 

 a petal ; d, a lip ; e, a column, seen from front ; f, the same, seen from 

 back ; g, the same, seen from back, anther and dorsal portion of the 

 clinandrium taken off ; h, the same, seen from side ; i, an anther, seen from 



back ; j, the same, seen from front ; k, pollinarium ; 1, and m, the 

 same, seen from another side; a = anther; ca=columnal appendage; cd=cau- 

 dicle; f, filament; gl= gland; r=rostellum; st= stigma; fig. a, natural size; 

 others more or less magnified. 



longis, bracteis 

 sub pedicello 

 lanceolatis semi- 



liyalinis 6-7 mm. longis. Flores subalbi vel pallido-flavi, ovariis viridibus 

 toto glanduloso-pilosis, pilis reflexis tenuissimis. Sepala toto connata tubum 

 formantia toto tenuiter pilosa, tubo 6 mm. longo 2 mm. in diametro 

 decliuato basi subito constricto ad orem leviter contracto, ore 2 mm. in diame- 

 tro, basi anteriore plus minus minute saccato, (sacco obscuro vel mm. pro- 

 ducto), apice 3-lobato, lobo postico (sepalo postico) triangulari 2i mm. longo 



