86 63. RUBIACE.T. 



Leaves scabrous, thinly hairy, oblong or lanceolate, acuminate on both 

 sides, reddish beneath in a dried specimens. . . 0. mmticola, 



form, hrevistigma. 

 ( 8 )a) Leaves elongate, lanceolate, 10 cm. long. (9). 



h) Leaves shorter, abruptly acuminate on both ends 0. dimorphantha 



form, hrevistigma. 



c) Leaves shorter, obtuse at both ends 0. Japonica. 



form, hrevistigma. 



{ 9 ) Leaves lanceolate, calyx-lobes obtuse 0. TasJiiroi. 



Leaves oblong, broader than the preceding, calyx-lobes acute. 



0. acutiloha. 



Ophiorrbiza acutiloba Hayata sp. nov. Caulis validiusculus, atro- 

 rubescens, lenticeUis oblongis dense obtectus, subglaber, a basi pauci-ramosus 

 vel eramosus, basi scandens, superne erectus, partibus erectis 40 cm. longis, 

 foHosis, subtetragonis. Folia opposita, oblonga, eUij)tica, maxima 12 cm. 

 longa 4 cm. lata apice brevissime acuminata, basi acuta membranacea, 

 utraque pagine glabra, supra exsiccato fuscentia, subtus pallidissima vel 

 rubescentia, petioKs 2-3 cm. longis, stipulis latissimis brevissimis ciliolatis 

 incrassatis. Cymse terminales, pedunculis 4 cm. longis, bracteolis Hnearibus, 

 6-8 mm. longis 1 mm. latis. Calycis tubus 1-1^ mm. longus 2J mm. latus 

 pubescens, lobis oblongo-triangularibus 1|- mm. longis tubo longioribus basi 

 1 mm. latis. Corolla 1|- cm. longa extus glaibra, intus basi glabra, ad faucem 

 dense albo-baxbata, limbo intus tuberculato-hirsuto, lobis oblongj-triangiil- 

 aribus 4 mm. longis intus tuberculato-hirtellatis, disco 2-partito, stylo 11 mm. 

 longo, a medio sursum hirsute, stigmate 2-lobato, lobis ovatis obtasis. 

 Fructus latissimi, 5 mm. longi, apice discis accrescentibus latissimis coronati, 

 a latere subalati, facie 5-costati, calycis lobis persistentibus, lobis 1^ mm. 

 longis 2 mm. a basi latis. 



Hab. Okinawa, leg. T. Tasliiro, Aprili., 1887. 



Near 0. Tashiroi, but differs in having acute lobes of the corolla. 



Ophiorrbiza dimorpbantha Hayata sp. nov. form, long^stigma 



Caulis inferiore j)rocumbens, superiore erectus, teragono-teres, pubescensj 



