Observations on the Flora of Japan 



(Continued from p. 95.) 



By 

 T. Mak i no. 



Assistant in Botany, Science College, 

 Imperial University vf Tokyo. 



Viola (Nomimium) Thibaudieri Franch. et Sav. Enutn. 

 PI". Jap. I. (1875) p. 43, et II. (1879) p. 290 ; Maxim, in Mel. 

 Biol. IX. p. 756 (1876). 



Caulescent, attaining about 37 cm. in height after flowering. 

 Rhizome ascending or repent-ascending, with many short old 

 bases of the stem, hard, stramineous, densely rooting, nodes 

 closed. Stem erect, solitary to few to a stock, more or less 

 flexuous, terete, glabrous, smooth, green but violaceous towards 

 the base, about 2 \— 4 mm. in diameter in the basal portion ; 

 nodes somewhat turged. Leaves sparse, but those of the sum- 

 mit of the stem tufted, spreading, much longer than internodes 

 (which are attaining about 6J- cm. in length), lanceolate, broad- 

 lancoelate, or ovato-lanceolate, attenuatedry acuminate at the 

 apex, cuneato-attenuated and alato-decurrent to the short petiole 

 at the base, very subtilely broad and depressed-crenate, glabrous 

 but sometimes puberulent on the margin, subbullate between 

 the veins, green above, paler beneath, 3 J— 10 cm. long, li— 3§ cm. 

 broad ; midrib prominent on both sides ; veins erect-patent, 

 arcuate upwards, 5—7 on each side ; veinlets inconspicuous ; 

 petiole about 1— If cm. long ; stipules adpressed along the stem, 

 as long as or slightly longer than the petiole, free but adnate 

 below in tho.se of the basal leaves, deltoid-subulate or angustato- 

 subulate, long-acuminate, laxly and erect-patently and deeply 

 pinnato-ciliatcd, thinly membranaceous, 2— 5-ncrvcd, 7-22 mm. 



