550 



to the height of 10-30 ft., Pungo Andongo, or. an undershrub 

 climbing high, with white-yellowish flowers and scarlet fruits, 

 Golungo Alto (Hiern, I.e.) ; a shrub in the Kikuya country at 

 an altitude of 7000-8000 ft. (Battiscombe, Herb. Kew). 



Phytolacca dioica, linn., the " Bella Sombra " of the 

 Portuguese cultivated in Spain (Mus.Kew) and in Lisbon as 

 a shade tree, was recommended by Welwitsch for planting in 

 pubMc squares, &c., in Angola (Hiern, I.e. p. 902). It is a quick 

 grower and might be propagated by seeds or cuttir 

 be preferable to the above species for ornamental and shade 



purposes. ' 



POLYGON ACEAE. 



Polygonum, Linn. 

 Polygonum senegalense, Meisn,, Fl. Trop. Afr. Yl. Sect, 1 



p. Ill, 



Kataerum 



and widely distributed in Tropical Africa; also in Egypt, 

 Madagascar and Tropical Asia. 



medicinal 



Kew) 



A perennial plant 4^5 ft. high; growing in water Ogun 



River (IVIillen, Herb, Kew), in swamps, Aburi (Johnson I.e.) 

 and described by Welwitsch (Hiern, Cat. Welw. Afr. PL iv. 

 p. 904) as a handsome plant, stem as thick as a man's finger, 

 sometimes thicker, fistiilose, briUiantly red, 4-10 ft. high, 

 decumbent or floating at the margins of rivers, or in ponds. 



Polygonum Fagopyrum, Linn. Sp. PL p. 364. {Fagopyrum 



esculeiitumj Moench). 



An annual plant abovit 2-3 ft. high. Leaves triangular- 

 cordate ; about 1-4 in. across, the upper amplexicaul the lower 

 with petioles. Inflorescence a compound cyme ; flowers small, 

 pink or white. Seed or nut, triquetrous with angles sharply 

 defined, dark-brown. 



III. — Gleichen, Entdeckungen, tt. 60, 61; Plenck, Ic. t. 310; 

 Dreves & Hajiie, Choix PL Europe, iv. t. 77; Hayne, Darst. 

 Beschr. Gewachse, v. t. 24 ; Sturm, Flora, Incompletae ; Metzger, 

 Europ. Cereahen, t. 20, f . B ; Zenker, El. Thuringen, ix. t. 964 ; 

 Spach, Suites (Hist. Nat. des Vegetaux) t. 72; Syme, Eng. 

 Bot. ed. 3, t. 1226 {Fagopyrum escuJentum) ; Church, Eood 

 Grains, India, p. 115 {F. escidentum) ; Duthie, Field Crops 

 {F. esculentiim); CycL American Agric. ii. p. 218, f. 311 (jP. 

 esculentum) ; Fyson, Fl. Nilgiris & Pulney Hill-Tops, p. 226 

 (F. escidenfwn). 



Buckwheat ; Brank ; Ble Sarrasin. 



A native of Central Asia, wild in China and Siberia, com- 

 monly cultivated in Western Tibet at 2000-12,000 ft. ; in India 

 tlie Khasia Mts., the Himalaya Mts., and the NOgiri Hills 



