July i9io.] MAKINO.— OBSERV. ON THE FLORA OF JAPAN. 141 



var. humiliata Makino, nov. 



Spur curved under the sepals or slightly protruded above 

 them. Otherwise as in the type. 

 Nom. Jap. Hokazo. 

 Hah. Japan, cultivated, rare. 

 Icon. Iinuma, Somoku-Dzusetsu, X. fol. 31 recto, no. 29. 



Aquilegia Buergeriana Sieb. et Zucc. in Abh. Akad. 

 Muench. IV. 2, (1846), p. 183. 



forma flavescens Makino, nov. 



Sepals pale-yellowish, viridescent towards the midrib, often 

 more or less purpurascent in bud. Otherwise as in the type. 



Hah. Japan, central and northern, alpine mountains. 



This form sometimes passes gradually to the type in colour 

 of the sepals. 



Nuphar subintegerrimum (Casp.) Makino, emend. 



Nuphar japonicum var. subintegerrimum Casp. in Miq. Ann. 

 Mus. Bot, Lugd.-Bat. II. (1865-66), p. 254, tab. VIII. fig. 1-10. 



Rhizome repent, thick. Leaves dimorphous, long-petiolate ; 

 submersed ones ovate to oblong-lanceolate, cordate or sagittate 

 at the base, crispate, thinly and subpelucidly membranaceous ; 

 emersed ones with a very long petiole, oval-ovate, sagittate 

 with an open triangular sinus and deltoid-ovate obtuse-tipped 

 lobes at the base, obtuse at the apex, entire, thickly herbaceous, 

 glabrous, 5-llcm. long, 4-8 Jem. broad ; midrib prominent 

 beneath ; veins about 13—15 on each side, canaliculately im- 

 pressed beneath ; petiole terete, elongate, glabrous, green, attain- 

 ing about 3J decim. long. Scape exceeding the leaves in 

 length, often very long, terete, green, glabrous. Flower yellow, 

 2J-3cm. across. Sepals 5, orbicular, oval, elliptical, or 

 cuneato-obovate, rounded at the apex, persistent, the outer ones 

 somewhat larger and often slightly greenish dorsally. Petals 

 nectariform, lato-linear-rectangular to subcuneato-rectangular, 

 rounded-truncate or sometimes reture or emarginate at the 

 apex, 6— 7mm. long, ascending. Stamens many, slightly longer 

 than the petals ; filament flat, lato-linear ; anther oblong, shorter 



