4 RANTJNCULACE.E. 



ad nodos fasciculatis vel ad basin ramornm fasciculatis. Folia ad nodos 

 caulis (vel basin ramoram et florum) fasciculata, trifoliolata, triangularia in 

 circumscriptione, cornrnunibus petiolis 3|- cm. longis liirsutis basi leviter dila- 

 tatis intus late sulcatis, foliolis lateralibus sessilibus vel breve petiolulatis, 

 foliolis terminalibus petiolulatis, petiolnlis 5 mm. longis ; lamina folioli terminalis 

 ovato-laiiceolata, 3|- cm. longa 1| cm. lata, apice acuminata, basi cmieata, 

 tenuiter 3-lobata, vel inciso-sen'ata, utraque hirsuta. Flores ad nodos caulis 

 fasciculati, (sfepe 1-5) longe pedunculati, pedunculis 7|- cm. longis, tenuiter 

 sulcatis liirsutis. Sepal a 4, oblonga, apice obtusa ad summum breve 

 cuspidato-apiculata, basi contracta, 28 mm. longa, 13 mm. lata, basi 2 mm. 

 lata, extus hirsuta intus glabra 7-nervia, patentia. Stamina oo, 10-8 mm. 

 longa, aiitheris linearibus, 3|- mm. longis f mm. latis, apice rotundato-obtusis, 

 basi obtusis. Carpella oo, stylo longe albo-sericeo-barbato, stigmate semi- 

 clavato. 



HAB. Montibus Formosae, leg. IT. Mom, Juli. 1912. 



Near C. Pierotii MIQ., but differs by the broader sepals and much more 

 hirsute leaves. 



Tlialiclrutn LINN. 



Thalictrum micrandrum HAYATA sp. nov. (Tab. I.) Herba csespitosa, 

 radicibus interdum tuberiferis, tumoribus clavatis li cm. longis, interdum 

 non tuberiferis. Caulis csespitosus gracillimus 30 cm. altus pauciramosus, 

 sub ramis 1-foliatus. Folia radicalia cum petiolis 25 cm. longa, (petiolis 

 18 cm. longis) late reniformia in circumscriptione, tri-teriiatim pinnata, 

 pinna terminali cum iis lateralibus conformi et sequilonga, pinuulis ultimis 

 petiolulatis, x 3e ^ om li s cum laminis sequilongis, augulo recto divaricatis ; 

 laminis obovato-cuneatis late rhomboideis vel late cordatis, variabilibus in 

 niagnitudine, 1-2 cm. longis, margine deorsum integris snrsum leviter 5-lobatis, 

 margine desuper teuuissime recurvis, 3-5-nerviis, nervis et venis supra 

 tenuissime, subtus prominente elevatis ; petiolis communibus supra sulcatis 

 basi dilatatis, stipulis intrapetiolaribus cum petiolis connatis tenuissimis 

 nigiicantiljus 3 mm. longis margine et apice erosis. Folia caulina biternata, 

 (petiolis communibus 1 cm. longis vel interdum 0) triaugularia in circum- 



