﻿Observations on the Flora of Japan. 



(Continued from p. 86.) 



By 

 T. Makino. 



BOTRYOPLEURON Hemsley in Hooker's Icon. PI. XXVII. sub 



tab. 2670 (1900). 



KEY TO THE JAPANESE SPECIES. 



Stem and leaves pubescent; raceme fasciculato-globose ; calyx 



pilose; corolla violet B. villosulum Makino. 



Stem and leaves glabrous; raceme cylindrical-oblong; calyx 



glabrous; corolla purple B. axlllare Hemsl. 



Botryopleuron villosulum (Miq.) Makino. 



Pcederota villosula Miq. in Ann. Mus. Bot. Lugd.-Bat. II. p. 118, et 

 Prol. Fl. Jap. p. 50 ; Franch. et Sav. Enum. PL Jap. I. p. 347 ; Savatier 

 in Iinuma's Somoku-Dzusetsu, ed. 2, I. no. 20. 



Calorhabdos villosida Makino in Bot. Mag., Tokyo, X. (1896) p. 252. 



Ccdorhabdos axillaris var. villosula Benth. et Hook. fil. Gen. PI. II. 

 p. 963. 



Perennial, prostrate and rambling, proliferous and rooting at the end 

 of stem. Stem simple or loosely branched below, patently pubescent 

 (mixed with glandular hairs), slender, elongate, terete, not angulate, foliate 

 throughout, green, attaining 2m. or more long. Leaves patently pubescent 

 (hairs mainly glandular) on both surfaces, alternate, very shortly petiolate, 

 nrmely membranaceous, ovate to elliptical, attenuatedly long-acuminate 

 with a sharp tip, acutely cuneate at the base, coarsely serrate with 

 triangular sharp teeth, slightly bullate between primary veins, attaining 

 about 13cm. long, 4icm. broad, usually smaller in those of the upper 

 portion of stem, green above, paler beneath ; midrib prominent beneath ; 

 primary veins 3-7 on each side, erect-patent, somewhat arcuate upwards 

 or nearly straight, prominent beneath ; veinlets inconspicuous ; petiole 

 semiterete, pubescent, about 3-7 mm. long. Raceme axillary, solitary, 



