COMPOSITA. 149° 
80. AILOTHECA. 
Ailotheca, DC. Prodr. v, p. 508; Benth. et Hook. Gen. Plant. ii. p. 352. 
An herbaceous monotype. 
1. Ailotheca parthenioides, DC. Prodr. v. p. 508. 
NortH Mexico, San Luis Potosi (Berlandier, 1341). 
81. PARTHENICE. 
Parthenice, A. Gr. Pl. Wright. ii. p. 85; Benth. et Hook. Gen. Plant. ii. p. 352. 
A monotypic herb. 
1. Parthenice mollis, A. Gr. Pl. Wright. ii. p. 85. 
Nortu Mexico, Santa Cruz, Sonora (Wright, Thurber). Hb. Kew. 
82. IVA. 
Iva, Linn. Gen. Plant. n. 1059; Benth. et Hook. Gen. Plant. ii. p. 352. 
About eight herbaceous species, inhabiting North America, Mexico, and the West 
Indies. 
1. Iva asperifolia, Less. in Linnea, v. p. 151. 
SourH Mexico, pastures near Vera Cruz (Schiede & Deppe). 
2. Iva dealbata, A. Gr. Pl. Wright. i. p. 104. 
New Mexico.—Norra Muxico, Chihuahua (Thurber), Leon springs (Bigelow). 
Hb. Kew. 
83. DICORIA. 
Dicoria, Torr. & Gray in Emory Rep. p. 148, ex A. Gr. in Torr. Bot. U.S. and Mex. Bound. Surv. 
p. 86, t. 30; Benth. et Hook. Gen. Plant. 1. p. 353. 
An herbaceous monotype. 
1. Dicoria brandegei, Torr. & Gray, Torr. Bot. U.S. & Mex. Bound. Surv. 
p. 86, t. 30. 
Norru Mexico, valley of the Gila (Emory). Hb. Kew. 
| 84. EUPHROSYNE. 
Euphrosyne, DC. Prodr. v. p. 580 ; Benth. et Hook. Gen. Plant. 11. p. 353. 
An herbaceous monotype. | 
1. Euphrosyne parthenifolia, DC. Prodr. v. p. 530; Deless. Ic. Sel. iv. t. 28. 
Sourn Mexico, around the city of Mexico (Berlandier, 587), valley of Mexico 
(Bourgeau, 158), near San Angel (Schaffner). Hb. Kew. 
