sept, tmA <;. KOmZUMU—CONTRIBUTIQfflES AD FLOBAM. 055 



scabenilae, callo pilis recti nsculis leviter cohaerentibus hand elongatis- 

 que barhatae. Palca glumis breviora oblonga profunde bidentata 

 carinis scabro-hirtula. Antherae 3 mm. longae. 



Nom. Jap. 



Distr. Nippon: prov. Rikuchiu, rat. Hayachinesan, alpine belt. 



Poa macrocalyx Trautv. et Mey. Fl. Ochot. 103, (1856). 



P. macrocalyx Trautv. et Mey. a typica Regel in Act. Hort. 

 Petrop. VII. 619. 



P. scabriflora Hack, in Fedd. Repert. Ill (1907) 244. 



var. sachalinensis no v. var. 



P. macrocalyx var. thiauschanicae Rgl. nffinis. Paniculae rami 

 lacves ; glumae steriles carina nervisque remote scabridae, glumae 

 fertiles facie obscuriter scabro-punctatae. 

 Nom. Jap. 

 Uistr. Sachalin. 



Poa tomentosa Komz. nov. sp. 



Species perdistinctissima, lamina subtus vaginaque extus tomentosa. 



Rhizoma perenne breviter sloloniferum. Cnlmi erccti graciles circ. 

 50 cm. alti glaberrimi 4-7iodi apicc breviter (circ. 4 cm. Ig.) nudi. Folia 

 plnra, 4—5 in basi culmi, 2 superitts sitn. Voginae 2-5-13 cm. longae 

 tcretes arctae, internodiis l'l- plo longiorcs elevato-costatae, foliorum 

 tnferiorum pubescent i-tomentosac. Ligulae breves vcl brevissimae (in- 

 feriores subnulli, samraa a 1 1 mm. Ig.) truncatae erosnlae ciliolatae. 

 Laminae c basi leviter amplcetcntcs Hneari-subulatac aetitiusculae 

 margine mvolutae 5,5-12,0 cm. longae, -4-5 mm. latae, rigidae virides 

 suberectae supra glabrae subtus piloso-tomentosae, supra marginibusque 

 subobsolete scaberulae, nervis utrinque 5-6 prominentibus percursae. 

 I'aiiiciila oblonga contracta densiusula 14 cm. longa, subflaccidula sed 

 erccta, rhachi iuferue laevi, ramis quinis scaberuKs subcapillaribus recti's 

 ad medium usque indivisis, primario infimo 5-8 cm. longo, supra 

 medium ramttlos secundarios 2 breves 5— 7-spiculatos gignente ; apiculis 

 in apice ramulonim COnfertis, leviter imbricatis, pedicellis 1-6' mm. 

 longis densius scabratis. Spiculae oblongd-ellipticae triflores rarissime 

 biflorcs 4 mm. longae 2,5 mm. lata: pallide viridtilae. Glumae steriles 

 Bubaeqnalea lanceolatae acutissimai trinerves carina versus apic m 

 seabrae, spicule vix '- breviores. Gluma< fertiles lanceolatae acutac 

 Bcariosa ■. margine hralino-membranaceac, nervis 5 Infra apicem desin 

 entibus, callo lana crispa copiosa contortuplicata barbato, carina in ' : . 

 biferiore nervisque exterioribus in 'i inferiorc villis brevibus sericeo- 



