390 COMMELINACEZ. 
_ As defined by Clarke the species has a very wide range in Tropical America, including 
the West Indies. 
2. Dichorisandra mexicana, Presl, Relig. Henk. i. p. 140; C. B. Clarke in 
DC. Monogr. Phanerog. iii. p. 284. 
Mexico (Pres). | 
3. Dichorisandra ovalifolia, Presl, Reliq. Henk. i. p. 140; C. B. Clarke in 
DC. Monogr. Phanerog. iil. p. 279. 
Nicaragua, near Granada (Lévy); Panama (Presl).—Co.oMBIa. 
4, TINANTIA. 
Tinantia, Scheidw. in Otto & Dietr. Allg. Gart. Zeit. 1839, p. 8365; Benth. et Hook. Gen. Plant. 
ii. p. 853. 
An exclusively American genus of three species, the third inhabiting Venezuela and 
North Brazil. 
1. Tinantia anomala, C. B. Clarke in DC. Monogr. Phanerog. iii. p. 287. 
Tradescantia anomala, Torrey, Bot. U.S. & Mex. Bound. Surv. p. 287. 
Texas.—MExico ? 
It is not quite clear whether Clarke has seen Mexican specimens or whether he 
regarded Texas in a broad sense as belonging to Mexico. 
2. Tinantia fugax, Scheidw. in Otto & Dietr. Allg. Gart. Zeit. 1839, p. 366; 
C. B. Clarke in DC. Monogr. Phanerog. iii. p. 285 (varietates). 
Tradescantia undulata, Vahl in Act. Soc. Hafn. i. p. 27, t. 3. 
Tradescantia bifida, Roth, Cat. Bot. 1. p. 42. 
Tradescantia commelina, Neuenh. in Reem. Arch. i. 2, p. 24. 
Tinantia undata, Schl. in Linnea, xxv. p. 185; Bot. Reg. t. 1403. 
- Tradescantia erecta, Cav. Ic. Pl. i. p. 53, t. 74; Jacq. Collect. iv. p. 118, et Ic. Pl. Rar. i. t. 354; 
Red. Lil. iv. t. 239; Bot. Mag. t. 1340. 
Tradescantia umbellata, Vahl, Eclog. Amer. iii. p. 7, non Griseb. Fl. Brit. W. Ind. p. 524, 
Tradescantia latifolia, Ruiz et Pav. Fl. Peruv. et Chil. iii. p. 44, t. 272 (anal. excepta) ; Lodd. Bot. 
Cab. t. 1300. 
MississIPPi; On10.—MeExico, Zimapan (Coulter, 1609), near Orizaba (Bourgeau, 3000), 
Sierra San Pedro Nolasco &c. (Jurgensen, 679), Pedregal (Bourgeau, 890), without 
localities (Halsted; Graham, 351; Bates); Guatumaa, Volcan de Fuego 8300 feet 
(Salvin).—Southward to Perv, Botivia, and BraziL, and in the West Inpizs. Hb. Kew. 
Introduced in Angola and North India. 
5, TRADESCANTIA. 
Tradescantia, Linn. Gen. Plant. n. 398; Benth. et Hook. Gen. Plant. iii. p. 853; C. B. Clarke in 
DC. Monogr. Phanerog. iii. p. 287. 
A genus of thirty-two species, restricted to America, and ranging from Canada to 
Buenos Ayres. 
