354 POLEMONIACE. 
2. Phlox nana, Nutt.; A. Gr. Synop. Fl. N. Am. ii. p. 134. 
Phlox triovulata, Thurber ; Torr. Bot. U.S. & Mex. Bound. Surv. p. 145. 
Texas; Cotorapo; New Mexico.—NortH Mexico, on the Rio Mimbres, within the 
old boundary (Dr. Henry). 
2. COLLOMIA. 
Collomia, Nutt. Gen. N. Am. Pl. i. p. 126; Benth. et Hook. Gen. Plant. 11. p. 822. 
Ten herbaceous species, inhabiting Western North America, from British Columbia 
southward, one reappearing in the Andes of Chili, and one endemic in the same region. 
Two of the following have only been collected in the extreme north-west of our region, 
without the present boundary of Mexico. 
1. Collomia cavanillesiana, Don, Gen. Syst. iv. p. 247; A. Gr. Synop. Fl. N. 
Am. i. p. 136. 
Phlox pinnata, Cav. Ic. Pl. t. 528. fig. 1. 
Cantua glomeriflora, Juss. in Aun. Mus. iii. p. 119. 
Gilia glomeriflora, Benth. in DC. Prodr. ix. p. 314. 
Texas; New Mexico; Arizona.—Nortu Mexico, Chiricahui Mountains (Rothrock), 
region of San Luis Potosi, 6000 to 8000 feet (Parry & Palmer, 602); Sour Mexico, 
Real del Monte (Coulter, 1344), near Regla, at 6000 feet (Galeotti, 1279). Hb. Kew. 
2. Collomia gracilis, Dougl.; Benth. in Bot. Mag. sub t. 1622; DC. Prodr. ix. 
p. 308; A. Gr. Synop. Fl. N. Am. ii. p. 135. 
Gilia gracilis, Hook. Bot. Mag. t. 2924. . 
British CotumBia southward.—Nortu Mexico, Sonora (ex Torrey).—CauILt. 
8. Collomia longiflora, A. Gr. Proc. Am. Acad. viii. p. 261; Synop. Fl. N. Am. 
i. p. 136. 
Gilia longiflora, Don, Gen. Syst. iv. p. 245; DC. Prodr. ix. p. 314; Torr. Bot. U.S. & Mex. 
Bound. Surv. p. 146. 
Cantua longiflora, Torrey, in Sitgreave’s Rep. t. 7. 
Cotorapo; Trxas; ARrizona.—NortH Mexico, Camp Bowie, south of the Gila 
(Rothrock), Chihuahua and Sonora (ex Torrey). 
4, Collomia thurberi, A. Gr. in Proc. Am. Acad. viii. p. 261; Synop. Fl. N. 
Am. ii. p. 136. 
Arizona.—Nortia Mexico, Santa Rita copper-mines (Thurber). 
3. GILIA. 
Gila, Ruiz et Pav. Prodr. Fl. Per. et Chil. p. 25, t. 4; Benth. et Hook. Gen. Plant. ii. p. 822; 
A. Gr. in Proc. Am. Acad. viii. p. 261. 
Sixty-five herbaceous species, inhabiting North America and subtropical and tem- 
perate South America. The following only just enter our northern boundary. 
