ORCHIDE/E. 



99 



latus calcaris sitis brevibus aiiricnliformibus, lobo madio latiusculo 3 mm. longo 



5 mm. lato semiorbiculari apice rotundato margine denticulate medio late calloso- 

 rngnloso patenti. 



Columna breve oblonga 

 subteres 2 mm. longa. 

 Olinandrium truncatum. 



HAB. Formosa, 

 leg. T. UCHIYAMA, 1899. 

 Physurus RICH. 



Physurus chin- 

 nsis ROLFE (Fig. 52) ; 

 MATSUM. et HAY ATA 

 Enum. PL Formes, p. 

 409. 



HAB. Mt. Arisan, 

 leg. B. HAYATA et T. 

 Ito, Mart. 1914. 



This orchid drawn 

 in the accompanying 

 figures is perhaps identical with ROLFE'S species, so far as the original de- 

 scription is concerned. The type I have never seen. 



Ancectochilus BLUME. 



Anoectochilus bisaccatus HAYATA sp. nov. (Tab. XV.) Odontocldlus 

 bisaccatus HAYATA in sched. Herb. Taihoku. Terrestris, radices paucse in- 

 crassatse. Caulis cum racemis 20-25 cm. longus teres subglaber, internodiis 

 inferioribus 4 cm. longis, superioribus 2 cm. longis inferiore defoliatus infra 

 medium usque ad basin raceini foliatus suberectus vel ascendens. Folia 

 alterna a se 2 cm. remota petiolata, lamina oblonga 4 \ cm. longa 2 cm. lata 

 apice acuta vel obtuso-acuta ad summum mucronata basi acuta supra atro- 

 viridi ad costas albo-lineata subtus sub-palh'da, petioHs (vaginis exceptis) 



6 mm. longis gracilibus basi dilatatis ad vaginas expantibus, vaginis 5-7 mm. 

 longis 4 mm. latis cylindricis hyah'nis ore obliquis latioribus, foliis superiori- 

 bus minoribus in racemis ad bracteas reductis. Racemi hirsuti 5 cm. long! 



Fig. 52, Physurus chinensls ROLFE ; a, a flower, 

 slightly expanded ; b, the same, seen from side ; c, a hood 

 formed by a dorsal sepal and petals ; d, the same, separated ; 

 e, a lateral sepal ; f , a lip, seen from inner side ; g, apical 

 portion of the same ; h, apical portion of column, seen from 

 front; i, the same, seen from back. 



