470 LENTIBULARIACEZ. 
6. Utricularia gibba, Linn. Sp. Pl. p. 26; DC. Prodr. viii. p.11; A. Gr. Synop. 
Fl. N. Am. ii. p. 315. 
MassacHUsETts and ILLinois southward.—NortH Mexico, region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 693%), Zacatecas (Hartweg, 183). Hb. Kew. 
Hartweg’s specimen is referred to this species by Benjamin in Kew herbarium; and 
his U. secunda is founded upon a specimen in the Berlin herbarium bearing the same 
number. 
7. Utricularia obtusa, Sw. Prodr. p. 14; DC. Prodr. viii. p. 10; Griseb. FI. 
Brit. W. Ind. p. 391. . 
Mexico (ex Grisebach).—Southward to Brazii, and Cusa to TRINIDAD. 
8. Utricularia parkeriana, A. DC. Prodr. viii. p. 9. 
Panama, Lion-Hill station (S. Hayes, 698).—Gutana. Hb. Kew. 
9. Utricularia pusilla, Vahl, Ench. i. p. 202; DC. Prodr. viii. p. 16; Griseb. 
Fl. Brit. W. Ind. p. 391. 
Panama (Seemann, 263).—Cusa to TRINIDAD, GuiANa, and Brazit. Hb. Kew. 
10. Utricularia secunda, Benjam. in Linnea, xx. p. 308; Walp. Ann. i. p. 490. 
Mexico (Hartweg, 183). 
The specimens referred to U. gibba in Kew herbarium may be this species. See note 
under U. gibba. 
44 | 
11. Utricularia sinuata, Benjam. in Linnea, xx. p. 249; Walp. Ann. i. p. 491. 
Mexico, without locality (Zhrenberg). 
[ Utricularia subulata, Linn., a species inhabiting the eastern States of New Jersey to 
Florida and Texas, the West Indies, and South America, is likely to occur in Mexico. ] 
12. Utricularia vulgaris, Linn. Sp. Pl. p. 26; DC. Prodr. viii. p. 6; A. Gr. 
Synop. Fl. N. Am. ii. p. 815; Fl. Dan. t. 138. 
SoutH Mexico, valley of Mexico (Schaffner, 338).—All round the NortHern Hemt- 
SPHERE. Hb. Kew. 
2. PINGUICULA. 
Pinguicula, Linn. Gen. Plant. n. 30; Benth. et Hook. Gen. Plant. ii. p. 988. 
Upwards of thirty species have been described; but several of them, including some 
Mexican, should be reduced. They are widely diffused in the temperate and arctic 
regions of the northern hemisphere, and extend through the Andes to the extreme 
south of America. 
1. Pinguicula acuminata, Benth. Pl. Hartw. p. 71; DC. Prodr. viii. p. 28. 
Sovrn Mexico, Zimapan (Coulter, 931), Chico (Hartweg). Hb. Kew. 
