38 ART. I. — B. HAYATA : 



Hyperieineœ. 

 Sypericuin Linn. 



Hypericum acutisepalum Hayata sp. nov. Rami graciles, 

 corticibns mbescentibus, ramulis alternis vel oppositis. Folia 

 opposita, oblonga vel elongato-oblonga, obtuso-mucronata, basi 

 brevissime attennata, sessilia 3-4 cm. longa, 12 mm. lata, nigro- 

 punctata, subtus pallidiora, venis primariis 5-7, inconspicuis plus 

 minus arcuatis. Flores ad axillas foliorum fascicnlati, pedicellati, 

 pedicellis 1 cm. longis, basi perulatis, pemlis 2-3-seriatis, subulatis, 

 vel lanceolatis, 1 mm. longis. Sepala 5, insequalia oblonga acuta 

 IJ mm. longa. Petala 5, inaequalia oblique obovata, 12 mm. longa, 

 7 mm. lata, apice truncato-rotundata, basi cuneato-angustata, 

 obliqua. Stamina pentadelpha. Ovarium ovoideam 4 mm. longum 

 apice ad stylum abenns. Styli ad totam longitudinem connati, 

 7 mm. longi, apice obscure 5-lobati, stigmatosi. 



Hab. Nantö : leg. T. Kawakami, Juli. 1907, (No. 3245). 



Near H. simplicistyla Hayata ; but differs from it in having 

 much smaller and acute sepals. 



Hypericum Nagasawai Hayata sp. nov. 



Hypericum attenuatum Hayata Fl. Mont. Formes, p. 59 (pro 

 parte). Canlis gracilis sufii-utescens, 7 cm. altus, -J-J mm. in 

 diametro, glaber, tetragonns, angulis acutis. Folia opposita, sessi- 

 lia, oblonga vel oblongo-elongata, apice rotnndata, vel obtusa 

 brevissime mucronata, basi breve attennata, 1— J cm. long, 5-6 mm. 

 lata, ad marginem 1 -seriatim nigro-pnnctata, ad paginam pauce 

 pellucido-punctata . Flores ad apicem ramnlornm solitarii, pednn- 

 culaii, pednnculis G mm. longis. Sepala 5, elongato-oblonga, 



