102 63. KUHIACE^i 



32. Galium Linn. 

 DicJiotomous Key to the Formosan Species. 



( 1 ) Fruits muricate, without hooked hairs G. gracUe., 



Fruits beset with hooked haii-s. (2). 

 ( 2 ) Stem slightly hauy or glabrous. (3). 



Stem hairy, hairs spreading G. rotundifdium. 



( 3 ) Stem slightly liairy, hairs reti-orted, leaves with short retrorted or spread- 

 ing hairs G. Aparine. 



Stem quite hairless, leaves with ascending hairs G. echmocarpcm. 



Galium Aparine Lnra. 

 Hab. 



DiSTEiB. China ; generally spread in the Northern Hemisphere, 



Galium echinocarpum H.4.yata Mater. Fl. Formos. p. 147. Procum- 

 bent rooting at the nodes. Stem angular, glabrous or nitid, internodes 2 cm. 

 long. Leaves 6-verticiUate, oblanceolate, sessile, 12 mm. long, 3| mm. broad, 

 roimded mucronate at the apex, (mucronate parts J mni- long) attenuate at 

 the base, margin remotely serrate-cih'ate, scarcely hairy on the upper surface 

 (hairs ascendent), glabrous on the lower surface. Cymes terminal, few- 

 flowered, branches ternate. Flowere pedicellate. Calyx-tube ovoid, I mm. long, 

 densely covered with falcate hairs, limb obsolete. Corolla rotate, 2 mm. in 

 diameter, 4-lobed, lobes ovate, 1 mm. long, f mm. broad, obtuse at the apex. 

 Stamens 4, alternate to corolla-lobes, I mm. long. Styles 1 mm. long, 2-fid, 

 stigma capitate. Fraits didymous, orbicular, Ijmm. in diameter, densely 

 covered with hairs (hairs erect and falcate at the apex). 



Hab. Mt. Morrison, Mt. Arisan. 



Somewhat near G. trifidum Michx. ; but greatly diffei-s in having much 

 smaller leaves with ascendent haii's. Comes nearer to G. Aparine Low. from 

 which this is distinguishable by the ascending, but not retrorted, liairs, 



Galium gracile Buxge ; Matsum. et Hayata Enum. PI. Formos, p. 

 200. 



Hab. Koshuu, Tamsui, Kelung. 



