June, loio.] o. KOWZUMT .—CONTRIB. AD FL. ASIA. ORIENT. 127 



NoM. Jap. Ohsliidanashi. 



DisTR. Nippon : Prov. Rikuchiu, Hi3'cnukigdri, Uchigawame- 

 niura, Dake. 



Pyrus (Achras) insulsa Koidz. n. sp. 

 P. rufofcrruginea Koidz. var. insulsa ? 



Ad praecedentem affinis scd foliis lanceolatis crassioribus acutis basi 

 leviter cordatis, petiolis brevioribus, fructibus fuscis difFert. 



Arbor ramis annotinis atro-purpurascentibus, hornotinis fusco- 

 brnnnescentibus glabris nitidiusculis ; ramvilis novellis foliis junioribus 

 inflorcscentisque ferrugineo-tomentosis. 



Folia adulta chartacea utrinque glabra vel subtus versus basim 

 costae mediae parce lanuginosa, lanceolata rare ovato-oblonga acuta 

 5-10 cm. longa, 2V2-'W2 cm. lata, basi rotundata vel snbcordata 

 margine argute serrulata ; jjetiolis 2-4i/^ cm, longis. Pomum globosum 

 fuscum punctatum circ. 2% cm. longum ac latum, vertice calyce persis- 

 tente coronatura ; pedicellis 3-4^^ cm. longis. 

 NoM. Jap. Dakenashi. 



DisTR. Nippon : Prov. Rikuchiu, Hiyenukigori, Uchigawame- 

 mura, inter Ohmata et Nakanokai. 



Pyrus (Pashia) wayamana Koidz. n. sp. 



Species quoad fructus formam P. serotinam var. Stapfianam 

 Rehder simulans, sed foliis e basi grossius serratis basi semper rotun- 

 datis nee subcordatis apice acutisque exqua differt. 



Arbor magna ramis annotinis atro-purpurascentibus hornotinis 

 badio-brunnescentibus glabrescentibus. Folia adulta glabra chartacea 

 vel chartaceo-membranacea, ovalia ovata vel ovato-elliptica rarius 

 lanceolato-oblonga apice acutata basi rotundata raro subtruncato- 

 rotundata vel obtusissima, 7V^ : 5%, ll^/^:7i/^, 12V^ : 5^/^ cm. longa et 

 lata, e basi grosse setoso-serrata ; petiolis S^^-S cm. longis. Pomum 

 obovoideum fuscum circ. 4 cm. longum 3 cm. latum variolatum. 

 NoM. Jap. Wayamanashi. 



Hab. Nippon : Prov. Rikuchiu, Kamiheiigori, Ayaorimura, 

 cultivated. 



Pyrus (Achras) iwatensis Koidz. n. sp. 



Species distinctissima fructibus obovoideis fuscis foliis setoso- 

 serrulatis. 



Arbor magna ramis glabris atro-purpurascentibus. Folia adulta 

 chartacea glabra vel subtus ad costas medias parce lanuginosa, ovata 

 rarius clliptico-ovata acuminata basi truncato-subcordata rarius 



