SAXIFRAGE.*:. 10 



HAB. Mtislm : Baikei, ad 2500 peel, alt,, Aprili. 191G, leg. B. HAYATA. 



Near P. serrulata LINDL., but easily distinguishable from it in having 

 hirsute unguiculate petals. The habit of this new shrub is nearly tlie same 

 as that of Deittzia scabm. 



Saxifrageae. 



Itea LINN. 



Itea arisanensis HAYATA sp. nov. Frutex, ramulis gracilibus, eortice 

 longitudinaliter ruguloso glabro. Folia remote disposita oblonga vel oblongo- 

 lanceolata 10-14 cm. longa 3-5 em. lata apiee acuminata deorsum recur va basi 

 obtusa vel acute margine tenuiter et rcmotissime serrulata, (serrulis minntis a 

 se 4-5 mm. remotis asccndentibus apiee interiore recurvis), chartacea utracuie 

 pagine glaberrima, eostis ct vcnis supra tenuiter impressis subtus elcvatis, venis 

 primariis lateralibus graeillimis utroquc laterc costse 5-8 areuatis sursum 

 margine subparallelis gradatim evanescentibus, venulis graeillimis eosta trans- 

 verse dispositis transverse reticulatis supra hand visis subtus distincte visis, 

 pctiolis 1-1|- em. longis supra sulcatis glabris. Flores ignoti. Raccmi fructiferi 

 terminales vel axillarcs 8-10 em. longi 1^-2 em. lati, pcdunculis 1-2 cm. longis 

 cum rhaehibus pubeseentibus, fruetibus geminatim vel solitariter secus rhachin 

 racemi dispositis transverse patentibus vel descendentibus, pedicellis 5 mm. longis 

 apiee levitcr dilatatis ad tubum ealyeis abeuiitibus, bracteis sub pedieello 

 liiiearibus vel laiiceolatis 1^- mm. longis. Calyeis fructiferi tubus infundibuli- 

 eampanulatus 1mm. longus 1| mm. latus, limbo 2| mm. in diamctro margine 

 lobato, lobis 5 triangulari-cuspidatis 1 mm. longis toti usque latis apiee acutis, 

 siiiibus inter lobos late rotuiidatis. Carpella 2 supra tubum calycis fere dis- 

 tineta ereeta leviter divarieata fusifornii-linearia supra cupulam ad 5 mui. 

 exserta 1 mm. lata sparse minute hirsute apiee attenuate dorso in sectione 

 eonvexa facie plana in sectione semi-rotundata sutura ventrali dehiscentia. Semina 

 minute numerosa ovoideo-fusiformia 1| mm. longa ^ mm. lata altri extremitate 

 attenuata acuta altri extremitate obtusa, testa sicca rugosissima fusco-rubescentc 



nitida. 



HAB. Mt, Arisan : inter Suisharyo et Fuiikiko, leg. B. HAYATA, Aprili. 



1914. (Fructus). 



