466 POLYGONACE (Wright). [ Polygonum. 
Hook. f. Fl. Brit. Ind. v. 41; Gage in Ree. Bot. Surv. Ind. ii. 404, 
427: Baker & 0. H. Wright in Dyer, Fl. Trop. Afr. vi. 1. 104: oP. 
punctatum, var. alatum, Meisn. Monogr. Polyg. 85. 
Kabanart ReGion : Transvaal ; Houtbosch (Woodbush) Mountains, 6300 The; 
Schlechter, 4715 ; Belfast, Burtt-Davy, 1394! 
Eastern Recion: Griqualand East ; Malowe, 4500 ft., Tyson, 3093! Natal ; 
near Byrne, Wood, 3432! 
Also in Tropical Africa, Madagascar and Tropical Asia, probably introduced into 
South Africa.. 
5. P. Convolvulus (Linn. Sp. Pl. ed. i. 364); an annual ; stem 
twining, slender ; leaves cordate-ovate, acuminate, 14 in. long, 1 in. 
wide, glabrous, or minutely puberulous on the upper side of the 
nerves; petiole 6-9 lin. long, slender ; ochre short, obtuse, 
glabrous ; flowers in axillary clusters collected into long terminal 
slender racemes; pedicels 1 lin. long, articulated near the apex ; 
perianth 1} lin. long; 3 outer segments navicular, herbaceous, 
2 inner flat, obovate, obtuse; stamens 8, much shorter than the 
perianth ; anthers pale buff; ovary triquetrous ; stigmas 3, capitate, 
subsessile; nut nearly 2 lin. long, enclosed in the accrescent 
perianth, triquetrous, dark brown, shining. Flor. Dan. t. 744; 
Meisn. Monogr. Polyg. 63, t. 4, fig. P., and in DC. Prodr. xiv. 135 ; 
Engl. Bot. ed. 3, t. 1227 ; Hook. f. Fl. Brit. Ind. v.53; Gage in Ree. 
Bot. Surv. Ind. ii. 417 ; Bolus &: Wolley-Dod in Trans. S. Afr. Phil. 
Soc. xiv. 311. 
Coast Recon: Cape Div. ; about Rondebosch Camp, fide Bolus & Wolley-Dod. 
Cathcart Div. ; Glencairn, 4500 ft., Galpin, 2408! 
bcs acer Reaton : Transvaal ; Beginsel Farm, near Standerton, Burtt-Davy, 
7 
recagguas an introduced weed, Also in North Africa, Europe and Temperate 
“ig 
6. P. amphibium (Linn. Sp. Pl. ed. i. 361); perennial ; stem 
trailing at the base and rooting from the nodes; leaves floating, 
oblong, obtuse, broadly rounded at the base, 4 in. long, 14 in. wide, 
smooth at the margins, long petioled ; ochrez membranous, truncate, 
not ciliate ; perianth bright red, 2 lin. long ; stamens 5 ; styles 2, 
united half-way up ; nut lenticular, shining, much shorter than. the 
perianth, Meisn. in Linnea, xiv. 484, and in DO. Prodr. xiv. 115; 
A. Rich. Tent. Fl. Abyss. ii. 224; Engl. Hochgebirgsf. Trop. Afr. 
202 ; Hook. f. Fl. Brit. Ind. v. 34; Engl. Bot. ed. 3, tt. 1241-2 ; Gage 
in Rec. Bot. Surv. Ind. ii. 423; Baker and C. H. Wright in Dyer, Fl. 
Trop. Afr. vi. i. 106. 
Cenrrat Recton : Somerset Div. ; Little Fish River, MacOwan, 2135! 
Katanart Rearon : Orange River Colony ; Sand River, Burke, 489 !. Vredefort, 
Barrett-Hamilton | Bechuanaland ; Moshowing River, between Takun and Molito, 
Burchell, 2282 |! Transvaal ; Standerton, Beginsel Farm, common in deep water 
of vleis, Burtt-Davy, 1808 ! Hooge Veld, between Trigardsfontein and Standerton, 
Rehmann, 6746 | Klerksdorp, Schoon Spruit, Nelson, 226 ! 
. 
