Polygonum. ] : POLYGONACEH. 885 
§Bracts ciliate ; poh without glands; limb of ochrea 
shor riy ciliate p- inus 
tNutlets arian ee p. 884] 
es stout, short, spicate, with closely imbricating bracts :— 
Bracts ee or strigose :-— 
Plant everywhere covered with stalked glands... viscosum. 
Plant quite without glands stagninum 
Bracts glabrous :— 
Leaves tapering to ire base; marginal cilia of the ochrea 
_ longer than the tub barbatum 
Leaves rounded or pa at the base, or, if eae the 
marginal cilia of the ochrea not longer than the 
erate 
se Saba Biitones = = more or less distant bra 
Ra rupted, the bracts ple ee sey 
nh usually ; ra Sine ; cilia of the ochrea if present not as 
Ong as the tube :— 
Ochrea very shortly ciliate or eciliate ; bracts glandular or 
not . 
. 
Hy dropi iper. 
Gels rea iin cilia at least half as long as the tabe 2 meg 
Brive a recidum 
Racemes erect, strict ; bracts closely imbricate above ies one 
or two removed far below; bracts without glands; ochrea with 
Cilia as as long as the tube i ae 
ators compressed, capitate :—[p. 884) 
Inflorescence with an Sanaa leat below each head ...... alatum. 
chinense 
* 
Stems armed along the angles with recurved prickles :—(p. 884] 
Leaves deltoid, very long-petioled; racemes solitary, short 
perfoliatum. 
Leaves sais short-petioled or sessile ; racemes siseted, oblong 
oY subgloboge : 
i ovate or oblong ; petioles and peduncles and nerves of coos 
“age prickly, like an gles of stem strigosum 
. acts acuminate ; pistes confined to stem and there sparse 
| pedunculare. 
1727. Poryconum puepesum BR. Br.; F. B. L. v. 27; E. D. 
BP, 1114 
We ee ees Se ee 
Tn most of the provinces. 
A poe diffusely branched weed in cultivated 
Santal, Raniphul. 
