Oxygonum.] cix. polygonace.*: (baker and weight). 10;^ 



Racemes terminal, up to 10 in. long ; bracts cuspidate and with about 

 two lateral seta^ ; pedicels slightly longer than the bracts, 2-3 together. 

 Perianth campanulate ; tube very short ; lobes about 2 lin. long, oblong, 

 obtuse. Stamens about H lin. long; o inner filaments much dilated 

 at the base. Style sliorter than the stamens, divided about half-way 

 down ; stigmas subcapitate. Fruit triquetrous, with 3 spines below 

 the middle, glabrous. 



wile I.and. liritisli East Africa: Gilgil liiver, GOOO-7000 it., Scoit-Sl/iof, 

 6G51 ! Ni,r()nitiii, in sliallow sand, Scott-Elliot, G2G5 ! 



XVIozamb. I>lst. Gonnau East Africa : east shore of Lake Tanganyika, Scoft- 

 EJliot, 8322 ! 



Wlien additional material lias been obtained this may prove to be a form of 

 O. salicifolium, Dannner. 



Imjjerjecthj knoiun sj^ecies. 



10. O. Bauxnii, Dammer in Baum, Kunene-Sainh. Exped. 2'iM 

 [name only). A shrub about 4 ft. high. Stem erect, cylindrical, 

 hirsute. Leaves broadly lanceolate or subhastate, acuminate, cuneate 

 at the base, papillate especially on the upper surface, up to 2 in. long 

 and 8 lin. wide, margin cartilaginous, minutely ciliate ; ochre^e cylin- 

 drical, T) lin. long, white pubescent, seta? about 10, nearly as long as 

 the tube, pallid. Raceme slender: bracts whitish pubescent, shortly 

 and obliquely campanulate, cuspidate, shortly and finely ciliate. 

 Perianth about 3 lin. long, pubescent outside; lobes oblong, acute, 

 about twice as long as the tubular portion. Stamens about half as long 

 as the perianth. Styles nearly twice as long as the stamens. Fruit not 

 seen. 



Xiower Guinea. Angola : Kuito River, near Onjimba, 3760 ft., Baum^ 532 ! 

 The specl)uen seen bears only yonng flowers. 



11. O. fruticosum, Dammer in Jktum, Kunene-^Samb, Exped.2'd\, 

 A bush about 1 It. high. 



Iicwer Guinea. Angola : Kulleis, Maramba, in white sandy soil at tlic edge 

 of woods. Baton, 221. 



2. POLYGONUM, Linn. ; Benth. et Hook. f. Gen. PL iii. 97. 



Flowers hermaphrodite, rarely polygamous. Perianth coloured, 

 deeply f)- (rarely 4-) lobed or partite, persistent ; segments equal or 

 the three outer rather larger, but little accrescent. Stamens usually 

 8, inserted near the base of the perianth ; filaments filiform ; anthers 

 oblong, the two cells united only by a short connective. Ovary 

 trigonous with 3 styles or lenticular with 2 styles ; stigmas capitate, 

 usually entire ; ovule solitary, basal. Fruit a trigonous or lenticular 

 nut enclosed in the persistent perianth. Seed similar in shape to the 

 nut ; embryo eccentric or lateral in the endosperm ; cotyledons usually 

 narrow, longer or shorter than the incumbent or accumbent radicle. — 



