60 RUBIACEZ. 
17. Spermacoce podocephala, DC. Prodr. iv. p. 542 (sub Borreria), — 
NortH Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 307); 
South Mexico, Aguas Calientes (Hartweg), common around Tacubaya (Schaffner). 
Hb. Kew. 
18. Spermacoce portoricensis, Balb. in DC. Prodr. iv. p. 552; Polak. in 
Linnea, xli. p. 573. 
Costa Rica, San José (Polakowsky)t—Porto Rico. 
19. Spermacoce procera, Schl. in Linnea, ix. p. 593. 
Souta Mexico, Hacienda de la Laguna (Schiede & Deppe), Cordillera of Vera Cruz, 
at 3000 feet (Galeotti, 2610). Hb. Kew. 
20. Spermacoce psyllioides, H. B. K. Nov. Gen. et Sp. iii. p. 346, t. 278. 
Borreria psyllioides, DC. Prodr. iv. p. 548. 
Sout Mexico, near Ario, 6000 feet (Humboldt & Bonpland). 
21. Spermacoce setosa, Mart. et Gal. in Bull. Acad. Brux. xi. 1, p. 131 (sub 
Borreria). 
Sour Mexico, palm-forest on the Pacific coast of Oaxaca (Galeotti, 2627). 
22. Spermacoce spinosa, Linn. Sp. Pl. p. 148. 
Borreria spinosa, Ch. et Schl. in Linnea, ii. p. 340; DC. Prodr. iv. p. 542. 
Panama, Chagres (Hendler, 144).—Martinique; Cupa. Hb. Kew. 
23. Spermacoce subulata, Pav., ex DC. Prodr. iv. p. 543. 
Borreria subulata, DC. loc. cit. 
Nort Mexico, region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 306) ; 
SourH Mexico, Eastern Cordillera of Oaxaca, at 6000 to 7000 feet (Galeotti, 2654), 
Real del Monte and Zimapan (Coulter, 195), Chiapas (Ghiesbreght, 611), valley of 
Mexico (Bourgeau, 749), Vera Cruz to Orizaba (Miller, 291). Hb. Kew. 
24, Spermacoce suffrutescens, Jacq. Hort. Schénb. t. 322; DC. Prodr. iv. 
p. 653; Polak. in Linnea, xli. p. 573. 
Costa Rica, San José (Polakowsky). Patria ignota ex DC. - 
25. Spermacoce tenuior, Linn. Sp. Pl. p. 147; DC. Prodr. iv. p. 552. 
SOUTHERN States of North America.—Mexico, Cordillera of Oaxaca, 3000 to 4000 
feet (Galeotti, 2018), Chinantla (Hartweg), Pital (Liebmann, 167), region of Orizaba 
- (Bourgeau, 2935); Nicaragua, Chontales (Tate, 211); Panama, Chagres (Fendler, 145). 
—And widely dispersed in Tropical Sourn America and the Wust Inpres. Hb. Kew. » 
26. Spermacoce verticillata, Sw., ex DC. Prodr. iv. p. 541. 
Borreria verticillata, G. F. W. Mey. Fl. Esseq. p. 83. 
NortH Mexico, Cerro de Pinal (Seemann); South Mexico, valley of Mexico (Bour- 
geau, 100), Orizaba (Bourgeau, 2850); GuaTEMALa, Acatenango (Hartweg, 586), without 
