56 POLYGONACEZ. 
1. Muehlenbeckia tamnifolia, Meissn. Gen. ii. p. 227, et in DC. Prodr. xiv. 
p. 149 (varietates). | 
Polygonum tamnifolium, H. B. K. Nov. Gen. et Sp. 1. p. 180. 
Muchlenbeckia benthamii et M. quadrangulata, Endl. Gen. Pl. Suppl. iv. p. 51. 
Polygonum flecuosum, Benth. Pl. Hartw. p. 80. 
Polygonum quadrangulatum, Mart. et Gal. in Bull. Acad. Brux. x. p. 853. 
SourH Mexico, peak of Orizaba, 7000 to 8000 feet (Galeotti, 455; Linden, 84) ; 
GUATEMALA, Quezaltenango (Hartweg).—Co.omsBi1a to Coin. Hb. Kew. 
2. Muehlenbeckia vulcanica, Meissn. in DC. Prodr. xiv. p. 148. 
Muehlenbeckia volcanica, Endl. Gen. Plant. Suppl. iv. p. 51. 
Polygonum volcanicum, Benth. Pl. Hartw. p. 81. 
GuATEMALA, under the summit of Volcan de Xetuch, Quezaltenango (Hartweg, 562). 
Hb. Kew. 
6. COCCOLOBA. 
Coccoloba, Linn. Gen. Plant. n. 496; Benth. et Hook. Gen. Plant. iii. p. 102. 
Trees or shrubs, sometimes lofty climbers. The genus is peculiar to America, and 
comprises nearly eighty species, which, with few exceptions in Mexico and Florida, 
inhabit the tropical regions. 
1. Coccoloba barbadensis, Jacq., 6. mexicana, Meissn. in DC. Prodr. xiv. 
p. 153. 
Mexico (Schiede). 
Grisebach (Fl. Brit. W. Ind. p. 163) reduces C. barbadensis, Jacq., to a variety of 
C. punctata, Linn. 
2. Coccoloba caracasana, Meissn. in DC. Prodr. xiv. p. 157. 
GuatemaLa (Friedrichsthal) ; Costa Rica (ex Meissner); Panama, near the city of 
Panama (Seemann, 557).— VENEZUELA. Hb. Kew. 
3. Coccoloba humboldti, Meissn. in DC. Prodr. xiv. p. 163. 
Sours Mexico, near Tantoyuca (Hrvendberg), dunes of the Pacific Ocean (Galeotti, 
7218), Vera Cruz to Orizaba (Miller, 49; Gouin). Hb. Kew. 
4. Coccoloba leptostachya, Benth. Bot. Voy. ‘Sulphur, p. 159; DC. Prodr. 
xiv. p. 163. 
Panama (Seemann, 1167 bis)—Cotompia. Hb. Kew. 
5. Coccoloba manzinellensis, Beurling in Kong. Vetensk. Akad. Handl. 1854, 
p. 142. 
Panama, Island of Manzinella (belberq). 
6. Coccoloba pubescens, Linn. Sp. Pl. p. 532; DC. Prodr. xiv. p. 152; Bot. 
Mag. t. 3166. 
Mexico, cult. ? (Schiede).—West InDIES; GUIANA. 
7. Coccoloba strobilulifera, Meissn. in DC. Prodr. xiv. p. 169. 
Nicaragua, Omotepé (friedrichsthal).—CoLoMBIA. 
