U cxix. POLYGON ACE^E. (J. D. Hooker.) [Potygonunt* 



7-10,000 ft., J. D. H., &c. KHASIA MTS., alt. 4-5000 ft., Loll, J. D. 11. $ T. T., 

 &c. DISTRIB. Java. 



Annual. Stems 10-18 in., slender, flaccid, grooved and angled, strict or flexuous, 

 simple or branched. Leaves 1^-6 in., membranous, ciliolate, glabrous or sparsely 

 Lairy, uppermost simple and cordate-amplexicaul ; lateral lobes 1-3 pairs horizontally 

 spreading, rounded or oblong ; auricles very variable, sometimes in mere green rings, 

 at others nearly 1 in. diam. ; stipules short, hairy and ciliate. Peduncles slender. 

 Heads |-| in. diam.; flowers white or pink." Perianth 5-cleft. Stamens 7-8. 

 Styles 3, slender, connate below. Nut opaque. The var. ft.javanicitm has much larger 

 more ovnte trigonous nuts. Extensively cultivated in Sikkim. 



46. P. sinuatum, Boyle mss.; Meissn. in DC. Prodr. xiv. 1. 130; 

 glabrous, stem creeping with short erect leafy branches, leaves runcinate- 

 pinnatifid, terminal lobe rhomboid acute, petiole short "with amplexicaul 

 auricles, peduncles glabrous axillary, heads solitary, involucral leaf 0, bracts 

 ovate obtuse, nut minute globosely trigonous. 



WESTERN HIMALAYA; Kumaon, Royle, alt. 9000 ft,, Strachey $ Winter- 

 bottom; Garwhal, Falconer-, Kulu, alt. 8-10,500 ft., Stewart. 



Perhaps, as Meissner suggests, a variety of P. runcinatum, but creeping, much 

 smaller in all its parts, aud quite glabrous except occasionally the stipules, leaves 

 -1 in., terminal lobe much smaller in proportion to the lateral aud of a very different 

 shape, sometimes almost transversely oblong and apiculate. The nut is the same in 

 both. 



47. P. capitatum, Ham. in Don Prodr. 73 ; steins or branches many 

 stout creeping from a woody rootstock leafy, and stipules glandular-hirsute, 

 leaves |-1 in. shortly petioled elliptic acute, petiole 2-auricled at the base, 

 stipules short cupular, heads 1-3, peduncles glabrous or glandular-hispid, 

 involucral leaf 0, bracts ovate acute eciliate. Meissn. Mo* off. Polyg. 82, 

 and in DC. Prodr. xiv. 1. 129 ; Bab. in Trans. Linn. Soc. xviii. 107. P. 

 repens, Wall. Cat. 1699 ; Meissn. in Wall. PL As. Ear. iii. 60. 



SUBTROPICAL and TEMPERATE HIMALAYA ; on rocks, walls, &c., alt. 4-6000 ft., 

 from Chamba to Bhotan. KHASIA MTS., alt. 3-5000 ft. 



Perennial ; rootstock stout, twisted ; stems or branches 6-10 in. long, trailing and 

 rooting below, red-brown; hairs brown. Leaves crowded, bifarious, rather thick, 

 brownish when dry, eglandular, base sometimes cordate ; petiole |- in., auricles 

 small rounded. Heads -f in. diam., dense-fld., glandular and hairy; bracts glabrous. 

 Perianth pink, 5-cleft; segments obtuse. Stamens 8. Nut 3-gonous, very small, 

 T X T in., much smaller in proportion to the perianth than in its allies. Meissner's var. 

 macilentum appears to have no definite character. 



48. P. chinense. Linn. ; Meissn. in DC. Prodr. xiv. 1. 130; shrubby, 

 glabrous or sparsely pubescent or glandular-pubescent, leaves petioled 3-5 in. 

 from linear- oblong to oblong- or deltoid-ovate or -rotundate entire or cre- 

 nulate, base truncate rounded acute or subcordate uppermost cordate 

 amplexicaul, petiole hardly winged usually 2-auricled at the base, stipules 

 long very obliquely truncate acute, heads panicled or corymbose, peduncles 

 usually glandular-hairy, involucral leaf 0, bracts glabrous usually acute, 

 fruiting perianth dry or fleshy, nut trigonous. Meissn. Monog. 60, and in 

 Wall. PI. As. Ear. iii. 60; Bab. in Trans. Linn. Soc. xviii. 109; Eoxb. Fl. 

 2nd. ii. 289; Wight Ic. t. 1806; Grab. Cat. Bomb. PI. 172; Dalz. 8f Gibs. 

 Bomb. Fl. 214. P. cymosum, Eoxb. 1. c. P. auriculatum, Meissn. Monog. 

 o9, t. 6, and in Wall. Cat. 1705. P. polycephalum, Wall. Cat. 1707. P. bra- 

 chiatum, Poir. Dirt. iv. 15; Lamk. III. 315, t. 4; Wall. Cat. 1706. P. 

 patens, Don Prodr. 73 ; Meissn. Monog. 60. P. corymbosum, Willd. Sp. PL 

 ii. 452. P. ovatum, Heyne in Eoth Nov. Sp. 206. P. adenotrichum, Wall. 



