Plantae Japonenses novse vel minus cognitaB. 



(Continued from vol. XI. p. 84.) 



By 

 T. Makino, 



Assistant of Botany in the Science College, 

 Imperial University, Tokyo. 



Hypericum (Euhypericum) sikokumontanum Makino sp. nov. 



A densely tufted perennial with slender subterranean innovations. 

 Stems annual, woody, erect or ascending from the "branching slender rhizome, 

 10-28 cm high, slender, terete, f-ljmm in diameter at the middle hightv 

 reddish-ferruginous when dried, leafy throughout the length, but often leaves 

 fallen off towards the base, simple or branched above. Leaves opposite,, 

 oblong-linear, 1-3 cm long, 2-5 mm wide, nearly sessile, shortly attenuated 

 but often obtuse at the base, obtuse at the apex and sometimes with a 

 obscure mucro, entire, thin in the texture, slightly glaucous beneath, with 

 dispersed pellucid dots of which the marginal ones black; veins few r 

 obliquely paralleled to the midrib ; veinlets fine, reticulated between the 

 veins* Cyme terminal, loose, [leafy, consisting of a few flowers. Flowers 

 short-pedicelled, about If cm in diameter; the pedicel shorter than the 

 leafy bracts. Sepals 5, unequal in length, oblong-lanceolate, 4-9 mm long, 

 1 J-2 j mm broad, obtuse, entire or more often minutely erose towards the 

 apex, with distant minute dark glands along the margins, 5-7-nerved with 

 oil-ducts arranged parallel between them. Petals 5, twice exceeding the 

 calyx in length, oblong-spathulate, slightly oblique, ll-14mm long, 4-5 mm 

 broad, minutely crenulate at the apex, about 10-nerved in the middle 

 part, with oil-ducts running parallel between them, bright yellow in colour; 

 glands minute, very laxly arranged, sessile, marginal and intrainarginal r 

 fusco-purple. Stamens yellow, numerous, nearly equal in length to petals, 

 obscurely triadelphous ; filaments slender, filiform ; anther orbicular with a 

 black minute gland. Ovary oblong-ovoid, gradually tapering above, longi- 

 tudinally 3-furrowed, 3-celled, with a number of ovules attached to the 



