102 63. RUBIACEX. 
32. Galium Liv, 
JDichotomous Key to the. Formosan Species. 
(GI D ESEIuits muricate/swithonbehookeda hairs- 9-579 5 5 E OETIIE G. gracile, 
Fruits beset with hooked hairs. (2). 
(2) Stem slightly hairy or glabrous. (5). 
jiemuhairyohiairsaspreacdino qe rr eI G. votundifolium. 
(3) Stem slightly hairy, hairs retrorted, leaves with short retrorted or spread- 
incahsirs qe qd x3; V PEN EU de G. Aparine. 
Stem quite hairless, leaves with ascending hairs. .... G. echinocarpum. 
Galium Aparine Lisw. 
Har. 
DisrRm. China; generally spread in the Northern Hemisphere. 
Galium echinocarpum Haxara Mater. Fl. Formos. p. 147. Procum- 
bent rooting at the nodes. Stem angular, glabrous or nitid, internodes 2 cm. 
long. Leaves 6-vertieillate, oblanceolate, sessile, 12 mm. long, 53 mm. broad, 
rounded mueronate at the apex, (mucronate parts imm.long) attenuate at 
the base, margin remotely serrate-ciliate, scarcely hairy on the upper surface 
(hairs asceendent), glabrous on the lower surface.  Cymes terminal, few- 
flowered, branches ternate. Flowers pedicellate. Calyx-tube ovoid, 2 mm. long, 
densely covered with faleate hairs, limb obsolete. Corolla rotate, 2 mm. in 
diswmeter, 4-lobed, lobes ovate, lmm.long, 3 mm. broad, obtuse at the apex. 
Stamens 4, altermate to corolla-lobes, 3 mm.long. Styles 1 mm. long, 2-fid, 
stigma capitate. Fruits didymous, orbicular, 11 mm.in diameter, densely 
covered with hairs (hairs erect and faleate at the apex). 
Har. Mt. Morrison, Mt. Arisan. 
Somewhat near G. frifidium Micux.; but greatly differs in. having much 
smaller leaves with ascendent hairs. Comes nearer to G. 4parine LrNN. from 
which this is distinguishable by the ascending, but not retrorted, hairs. 
Galium gracile Duxar; Marscw. et HaxarA Enum. Pl. Formos. p. 
200. 
Har. Koshün, Tamsui, Kelung. 
