RUBIACE^. 



81 



Kig. 2O, Galium gracile 

 BUNGE ; a, a leaf ; b, a flower ; c, a 

 corolla, expanded ; d, e, f, stamens, 

 seen from different sides ; g, a prse- 

 mature fruit ; h, a fruit ; i, a leaf 

 of G. gracele var. rotundifolia. Fig. 

 a is much more magnified than fig. i- 



ovales-arrondies, ou a feuilles lanceolees." Our plant is different from the above 

 species by the much longer corolla-tubes. 



LitosantJies BLUME. 

 Litosanthes gracilis HAYA- 

 TA (Fig. 19), Ic. PI. Formos. II. 

 p. 113. 



Galiwti LINN. 

 Galium gracile BUNGE, 

 (Fig. 20, a h), HAYATA Ic. PI. 

 Formos. II. p. 102. 



HAB. Mt. Shichiseitouzan, 

 leg. T KAWAKAMI et S. SASAKI, 

 Aprili. 1911. 



Galium gracile BUNGE forma rotundifolia (Fig. 20 i.) 

 HAB. Ins. Kelung, leg. S. SASAKI, Mai. 1910. 



Tli ysanospermum CHAMP. 

 Thysanospermum diffusum 

 CHAMP. (Fig. 21) ; BENTH. Fl. Hongk. p. 

 146 ; HAYATA Mater. Fl. Formos. p. 142. 

 HAB. Suisha, leg. B. HAYATA, Mai. 

 1912. 



Our plant agrees pretty well with the 

 description given in the Fl. Hongk. p. 

 146. In the description, there is men- 

 tioned " the leaves shortly stalked, ovate 

 or ovate-lanceolate, acutely acuminate 1 



to l^in. long." "Peduncles 



axillary, solitary, 1-flowered, 2-3 lines 

 long, with 2 minute bracts above the 



Fig. 21, Thysanospennwn diffusum middle." Ill our specimen, the leaves are 



CHAMP a, a leaf ; b, a flower ; c, corolla, knceolate and much longer usua ll y 2 1 iu . 



expanded ; d, portion of the corolla with a 



stamen ; e, f, g, stamens, seen from different long ^ ill. wide, and peduncles are much 



sides ; h, ovary ; i, section of the ovary ; a, 



natural size ; others more or less magnified. longer, usually f 111. long. 



