92 



OKCHIDILE. 



longo retrorsum recurvo apice obtuso ore dilatato), lobis lateralibus ad 

 latus faucis calcaris erectis latiusculis oblique triangularibus 4-5 mm. altis 

 basi 6 mm. latis apice obtusis, lobo medio valde convexo 8 mm. longo 6 mm. 

 lato apice obtuso breve 2-apicnlato minute denticulato multi-nervio ; disco 

 basi lobi centralis transverse sito plurilobulato, lobulis calloso-lamellatis, lamellis 

 1-2 mm. longis obtusis. Columua 6 mm. longa 3 mm. lata alata, rostellum antice 

 acutum 2-lobum. Antliera rubescens 3 mm. longa 2- mm. lata antice acuta 

 postice medio 1-costata 1-locularis; pollinia 2 subglobosa sulcata, stipitibus 

 lamellatis liuearibus 3^ mm. longis circ. -|- mm. latis basi attenuatis. Capsula 

 cylindrica apice breve basi longe attenuata 4 cm. louga 8 mm. lata multi- 

 costata. Seinina minuta fusiformia cum fibris longissimis multis mixta. 

 HAB. Mt. Arisau, leg B. HAYATA et S. SASAKI, Jan., 1912. 

 Saccolabium retrocallum HAYATA sp. nov. (Fig. 47). Epiphyta. 



Caulis subteres in 

 uostro specimiue 

 brevis 1^-2 cm. lon- 

 gus foliatus, inter- 

 nodiisbrevibus. Folia 

 disticha elliptico-ob- 

 louga crasso-coriacea 

 2| cm. longa 1 cm. 

 lata apice obtusa basi 

 contracta cum vaginis 

 articulata 9-uervia 

 margine leviter desu- 

 per recurva, vaginis 

 persisteutibus 3 mm. 

 longis imbricatis 

 caulem obtegeutibus. 

 Pedunculi laterales 

 simplices folio lequi- 

 longi 2 cm. lougi 

 basi medio apiceque 



Fig. 47, Saccolabium retrocallum HAYATA ; a, a flower on the 

 inflorescence, purple colored portion is shaded ; b, a flower, seen 

 from front, purple colored parts are shaded ; c, a columna and 

 lip, the latter partially cut off ; d, a lip, medially cut, showing a 

 refracted callosity ; e, columna, anther taken off, stigma and 

 clinandrium are seen ; f, the same, seen from side : g, a pollin- 

 arium, seen from front ; h, the same, seen from back ; i, an 

 operculum, seen from front ; j, the same, seen from back. 



