COMPOSITA. 135 
1. Micropus grayana, Hemsley. 
Stylocline micropoides, A. Gr. Pl. Wright. 11. p. 84. 
Southern Utan and Cairornia to Trexas.—NortH Mexico, Fronteras ( Wright, 
1405). Hb. Kew. 
60. DIAPERIA. 
Diaperia, Nutt. in Trans. Amer. Phil. Soc. ser. 2, vii. p. 337; Benth. et Hook. Gen. Plant. ii. 
p- 298. 
The genus is restricted to North America, and comprises four herbaceous species. 
1. Diaperia multicaulis, Benth. et Hook. Gen. Plant. ii. p. 298. 
Filaginopsis multicaulis, Torr. & Gray, Fl. N. Am. ii. p. 263. 
Texas.—Nortu Mexico, Chihuahua (ex Torrey). 
61. ACHYROCLINE. . 
Achyrocline, Less. Synop. Comp. p. 332 ; Benth. et Hook. Gen. Plant. ii. p. 305. 
About sixteen half-shrubby species, inhabiting Tropical America from Mexico to Brazil, 
Tropical Africa, and Madagascar. 
1. Achyrocline ventosa, Klatt in Linnea, xlii. p. 112. 
Soura Mexico, Cerro Ventoso (Ehrenberg, 577). 
2. Achyrocline, sp. 
Soutn Mexico, Orizaba (Botteri, 1145). Hb. Kew. 
62. GNAPHALIUM. 
Gnaphalium, Linn. Gen. Plant. n. 946, pro parte; Benth. et Hook. Gen. Plant. i1. p. 305. 
About 100 herbaceous and half-shrubby species, dispersed nearly all over the world 
in temperate and cold regions. The Mexican species are much in need of revision. 
1. Gnaphalium americanum, Mill. Dict. n. 17; DC. Prodr. vi. p. 234. 
Sour Mrxico, between Tampico and Real del Monte (Berlandier, 310), valley of 
Mexico (Bourgeau).—San Domineo ; Brazit. Hb. Kew. 
Klatt (Linnea, xlii. p. 140) treats this and G. spicatum, Lam., G. sphacelatum, 
H. B. K., G. chamissonis, DC., and G. simplicicaule, Willd., as varieties of G. purpu- 
reum, L. 
9. Gnaphalium attenuatum, DC. Prodr. vi. p. 228. 
Sovran Mexico, around Tampico (Berlandier, 70), fields near Jalapa, at 4000 feet 
(Galeotti, 2259), Orizaba (Botteri, 1150), without locality (Salle); Nicaragua, Volcan 
el Viejo (Ersted, 258). Hb. Kew. 
