56 PIPERACEA. 
110. Piper tenuifolium, C. DC. in DC. Prodr. xvi. 1, p. 321. 
New Spain (Hb. Pavon). 
111. Piper tigerianum, ©. DC. in Seem. Journ. Bot. 1866, p. 300, et DC. Prodr. 
xvi. 1, p. 250. 
Honpvras, Isle de Tigré, Gulf of Fonseca (Barclay) ; Nicaragua, Realejo (Barclay). 
112. Piper trinerve, C. DC. in DC. Prodr. xvi. 1, p. 292. 
Artanthe trinervis, Miq. in Seem. Bot. Voy. ‘ Herald,’ p. 200, t. 41. 
Panama, Veraguas (Seemann, 1217), woods near the city of Panama (8. Hayes, 739). 
Hb. Kew. 
113. Piper triquetrum, Opiz in Presl’s Reliq. Henk. i. p. 160; DC. Prodr. 
xvi. 1, p. 375. 
Enckea californica, Kth. in Linnea, xiii. p. 601; Migq. Syst. Pip. p. 363 ? 
Mexico (Henke). 
114. Piper tuberculatum, Jacq. Ic. Pl. Rar. ii. p. 2, t. 211; DC. Prodr. xvi. 
1, p. 265. 
Piper nutans, Opiz in Presl’s Relig. Henk. 1. p. 156, t. 28. fig. 2. 
Steffensia tuberculata, Kth. in Linnea, xii. p. 614. 
Artanthe tuberculata, Mig. Syst. Pip. p. 497. 
Artanthe decurrens, Miq. loc. cit. p. 402. 
South Mexico, San Blas to Tepic (Coulter, 1395), Teapa, Tabasco (Linden) ; 
GuaTEMALA (friedrichsthal); Panama (Seemann, 115; S. Hayes, 744).—Southward to 
Perv and Brazit and in the West Inpizs. Hb. Kew. 
8. minus, C. DC. in DC. Prodr. xvi. 1, p. 266. 
Costa Rica (Hoffmann).—CoLomBia. 
115. Piper turrialvanum, C. DC. in Linnea, xxxvii. p. 342. 
Costa Rica, Turrialba (Grsted). 
116. Piper uhdei, C. DC. in DC. Prodr. xvi. 1, p. 248. 
Mexico (Uhde). 
117. Piper umbellatum, Linn. Sp. Pl. p. 43; DC. Prodr. xvi. 1, p. 332; Mart. 
et Gal. in Bull. Acad. Brux. x. (reprint, p. 23). 
Heckeria umbellata, Kth. in Linnea, xiii. p. 569. 
Pothomorphe umbellata, Mig. Comm. Phytogr. p. 36, et Syst. Pip. p. 208. 
SoutH Mexico, Mirador &c. (Galeotti, 6006); Panama (8. Hayes).—Southward to 
Peru and Brazit and in the West Inpres. Hb. Kew. 
118. Piper unguiculatum, Ruiz et Pav. Fl. Peruv. et Chil. i. p. 34, t. 57. 
fig. 6; DC. Prodr. xvi. 1, p. 249. 
Enckea unguiculata, Kth. in Linnea, xiii. p. 592; Mig. Syst. Pip. p. 352. 
Enckea glaucescens, Kth. loc. cit. p. 593; Mig. loc. cit. p. 354. 
