SAXIFRAGES. 19 



HAB. Musha : Baikei, ad 2500 ped. alt., Aprili. 1916, leg. B. HAYATA. 



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

 hirsute miguiculate petals. The habit of this new shrub is nearly the same 

 as that of Deutzia scabra. 



Saxifrageae. 

 Itea LINN. 



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

 longitudinaliter ruguloso glabro. Folia remote disposita oblonga vel oblongo- 

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

 obtusa vel acuta margine tenuiter et remotissime serrulata, (serrulis minutis a 

 se 4-5 mm. remotis ascendentibus apice interiore recurvis), cJiartacea utraque 

 pagine glaberrima, costis et venis supra tenuiter impressis subtus elevatis, veiiis 

 primariis lateralibus gracilliniis utroque latere costce 5-8 arcuatis sursum 

 margine subparallelis gradatim evanescentibus, venulis gracillirnis costa trans- 

 verse dispositis transverse reticulatis supra hand visis subtus distincte visis, 

 petiolis 1-1 cm. longis supra sulcatis glabris. Flores ignoti. Racemi fructiferi 

 terminales vel axillares 8-10 cm. longi l|-2cm. lati, pedunculis 1-2 cm. longis 

 cum rhachibus pubescentibus, fructibus geminatim vel solitariter secus rhachin 

 racemi dispositis trans v r erse patentibus vel descendentibus, pedicellis 5 mm. longis 

 apice leviter dilatatis ad tubum calycis abeuntibus, bracteis sub pedicello 

 linearibus vel lanceolatis 1 mm. longis. Calycis fructiferi tubus infundibuli- 

 campanulatus 1mm. longus 1| mm. latus, limbo 2^ mm. in diametro margine 

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

 sinibus inter lobos late rotundatis. Carpella 2 supra tubum calycis fere dis- 

 tincta erecta leviter divaricata fusiformi-linearia supra cupulam ad 5 mm. 

 exserta 1 mm. lata sparse minute hirsuta apice attenuata dorso in sectione 

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

 minuta numerosa ovoideo-fusiformia If mm. longa $ mm. lata altri extremitate 

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

 nitida. 



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

 1914. (Fructus). 



