EUPHORBIACEZ. 119 
1. Argithamnia fendleri, Miill. Arg. in Linnea, xxxiv. p. 145, et in DC. Prodr. 
xv. 2, p. 737. 
Frioripa.—Soura Mexico, San Augustin (Liebmann). —VENEZUELA to Perv. 
2. Argithamnia guatemalensis, Miill. Arg. in Linnea, xxxiv. p. 145, et in 
DC. Prodr. xv. 2, p. 736. 
South Mexico, Tehuacan (Liebmann), Cordillera of Oaxaca at 5000 feet (Galeotti, 
7167); Guaremata (Friedrichsthal). Hb. Kew. 
3. Argithamnia heterantha, Mill. Arg. in DC. Prodr. xv. 2, p. 735. 
Ditaxis heterantha, Zuce. Pl. Nov. fase. 1, n. 2. 
Souto Mexico, near Toliman (Harwinsht). 
4, Argithamnia lanceolata, Miill. Arg. in Linnea, xxxiv. p. 148, et in DC. 
Prodr. xv. 2, p. 741. 
Serophyton lanceolatum, Benth. Bot. Voy. ‘ Sulphur,’ p. 52. 
Aphora lanceolata, Engelm. et A. Gr. Pl. Lindh. i. p. 25. 
Lower Catirornia.—Sourn Mexico, sand dunes of the Pacific, Oaxaca (Galeotti, 
3742). Hb. Kew. 
5. Argithamnia neomexicana, Mill. Arg. in Linnea, xxxiv. p. 147, et 
in DC. Prodr. xv. 2, p. 739. 
Aphora humilis, Torr. Bot. U.S. & Mex. Bound. Surv. p. 196, non Engelm. et A. Gr. 
Texas; New Mexico.—NortH Mexico, San Lorenzo de Laguna, Coahuila, and 
Monterey, Nuevo Leon (Palmer, 1250, 1246). Hb. Kew. 
6. Argithamnia schiedeana, Miill. Arg. in Linnea, xxxiv. p. 150, et in DC, 
Prodr. xv. 2, p. 745. 
a. Major, Mill. Arg. loc. cit. 
Tragia sp., Cham. et Schl. in Linnea, v. p. 86, n. 67. _ 
Chlorocaulon, K\. in Endl. Gen. Plant., Suppl. iv. 3. p. 89. 4 
SoutH Mexico, Serro Colorado (Schiede & Deppe). 
B. minor, Miill. Arg. loc. cit. 
Sovrn Mzxico, between Tampico and Real del Monte (Berlandier, 511), near Orizaba 
(Miller, 1360). 
14. CAPERONIA. 
Caperonia, St. Hil. Pl. Remargq. Bras. p. 244; Benth. et Hook. Gen. Plant. i. p. 304. 
Nineteen species are described ; some of them very much alike. They are herbs or 
half-shrubs, and inhabit Tropical America and Africa. 
1. Caperonia castanesefolia, St. Hil. Pl. Remarq. Brésil, p. 245; DC. Prodr. 
xv. 2, p. 754. 
Croton castaneefolius, Linn. Sp. Pl. p. 1424. 
