108 CIX, POLYGONACEH (BAKER AND WRIGHT). [Polygonum. 
acuminate at both ends, 3 in. long, 9 lin. wide. Spikes very slender ; lower bracts 
dlistant.—P. Donii, Meisn. Monogr. Polyg. 72, excl. syn. 
Mozamb. Dist. German East Africa: Kilimanjaro, 5000 ft., Johnston ! 
Welwitsch, 5371, from marshy places at the River Panda, Huilla, has much 
broader leaves, and is doubtfully referrable to this species. 
9. P. lapathifolium, sub-sp. maculatum, Dyer d: Trim. in Journ. 
Bot. 1871, 36. Annual. Stem glabrous, erect, 2-3 ft. long. Leaves 
lanceolate, green, glabrous except for some short bristles on the under- 
side of the midrib; ochree short, membranous, not ciliate; petiole 
short, with short adpressed bristles. Racemes cylindrical, not very 
dense, 14-2 in. long, several to a stem; peduncles slender, rough with 
glands; bracts orbicular, not ciliate. Perianth pale pink, glandular, 
1 lin. long. Styles 2. Nut lenticular, orbicular, black, shining, 
nearly as long as the perianth.—Persicaria maculata, 8. F. Gray, Nat. 
wrr. Dr, Pl. i: 270. 
Mozamb. Dist. Portuguese East Africa: lower valley of the River Shire, 
Meller ! 
Also in South Africa and the North Temperate Zone. I have not seen var. 
vestitum, Schuster (in Bull, Herb. Boiss. 2™® sér. viii. 705), founded upon Schimper’s 
56 from Addi Abun, Abyssinia. 
10. P. limbatum, JMVeisn. in DC. Prodr. xiv. 123. Perennial. 
Stem pilose at first, then glabrescent, 3-4 ft. long. Leaves lanceolate, 
nearly sessile, 3-4 in. long, clothed on both sides with short adpressed 
hairs; ochre hairy, large, tightly clasping the stem in their lower two- 
thirds, with a patent crisped herbaceous limb ciliate with rigid bristles. 
Racemes about 3 to a branch, dense, 2-3 in. long; bracts ciliate with 
rigid bristles ; peduncles clothed with adpressed hairs. Perianth pink, 
1} lin. long. Stamens 7. Styles 2, Nut lenticular, convex, glossy, 
nearly black, shorter than the perianth.— Hook. f. Fl. Brit. Ind. v. 30; 
Hiern in Cat. Afr. Pl. Welw. i. 904. 
Upper Guinea. Senegambia, Leliévre. Northern Nigeria: North Bornu, 
Elliott, 140! 
Wile Land. Kordofan: Birket Rahal, Pfund, 409! 668! Jur: Seriba Ghattas, 
Schweinfurth, 1361! 
Lower Guinea. Angola: Huilla; in marshy wooded places from Ferrao da 
Sola towards Jau, Welwitsch, 5374! 
Also in Egypt and Tropical Asia. 
11. P. Schinzii, C. H. Wright. Stem stout, glabrous. Leaves 
oblong-lanceolate, tapering to both ends, hairy at first, but soon becom- 
ing glabrous except on the upper side of the midrib, undulate near the 
margin, 43 in. long, 1 in. wide; petiole about 6 lin. long; ochre® 
membranous, more or less campanulate, with a patent herbaceous limb, 
at first densely hairy, soon glabrescent. Racemes axillary, about 3 
together, dense-flowered ; bracts pinkish, broadly ovate, obtuse, not 
ciliate, about as long as the 14 lin. long pedicels. Perianth 2 lin. long, 
