63. RUBIACE.E. 83 



HAB. Taito : Hakuhakusha. 



DISTRIB. Tropical Asia, the Philippines and Australia. 



8. Hedyotis LTNN. 



Dichotdmous Key to tlie Formosan Spf'cics. 



{ 1 ) Leaves linear, smaller //. Mspida. 



Leaves lanceolate, larger. (2). 

 { 2 ) Flowers terminal or lateral cyme, cymes long pedunculate. 



H. nantmisis. 



Flowers in axillary-clusters, clusters sessile H. uncinella. 



Hedyotis hispida RETZ. ; MATSUM. et HAYATA Enum. PI. Formos. p. 

 185. 



HAB. Kelung, Hikaku, Tailioku, Kusshaku. 

 DISTRIB. India and Malaya. 



Hedyotis nantoensis HAYATA Mater. Fl. Formos. p. 142. Herb, but 

 shrubby towards the base, seemingly scandeut or voluble, very green ; branches 

 angulate, slightly scabrous or Isevigate, interuodes 6-7 cm. long. Leaves ob- 

 long, oblong-lanceolate, changeable in size, 5-10 cm. long, 2-3i cm. broad, 

 acute or acuminate at the base, slightly attenuate to the petioles, entire, 

 chartaceous-membranaceous, lateral veins 5-6, basal veins parallel to the 

 margin, the rests diverging upwards with an acute angle, then recurving, im- 

 pressed on the upper surface, slightly prominent on the lower surface, 

 upper surface very green, lower surface pallid, both surfaces glabrous, but 

 slightly scabrid, petioles 5 mm. long, stipules interpetiolar and membraiiaceous, 

 aristately-4- dentate, sinus of the teeth truncate. Flowers in paniculate- 

 cymes, cymes terminal or axillary, flowers at the apex of branches of 

 cymes umbellately 10-30-fasciculate ; bracts lanceolate, pedicels 2 mm. 

 long. Calyx-tube campauulate, 1^ mm. long, 4-lobed, lobes linear, 2 mm. long, 

 ^ mm. broad, recurved, sinus of the lobes truncate and with appendage, ap- 

 pendages setiformed, ^ mm. long. Corolla campanulate-tubiformed, tube 1^ 

 mm. long, smooth on both sides, limb 4-lobed, lobes aiigustate, 5|- mm. long, 

 1 mm. broad, re volute to the midway, obtuse at the apex, 3 -nerved, outer 



