396 COMMELINACEZ. 
8. CAMPELIA. . 
Campelia, L. C. Rich in Demoust. Bot. ou Anal. Fr. p. 46; Benth. et Hook. Gen. Plant. iii. p. 855. 
This genus is also monotypic and herbaceous. 
1. Campelia zanonia, H. B. K. Nov. Gen. et Sp. i. p. 264; C. B. Clarke in DC. 
Monogr. Phanerog. iii. p. 314. 
Campelia mexicana, Mart.; Kunth, Enum. Pl. p. 109; Regel, Gartenfl. 1875, t. 833. 
South Mexico, Orizaba (Botteri, 917), valley of Cordova (Bourgeau, 2097); Nica- 
RaGua, Chontales (Tate, 333, 453); Panama, Empire railway-station (8. Hayes, 331).— 
Southward to Braziu and in the Wust Inpizs. Hb. Kew. 
9. RHQO. 
Rheo, Hance; Walp. Ann. iii. p.659; Benth. et Hook. Gen. Plant. iii. p. 855. 
1. Rheeo discolor, Hance in Walp. Ann. iii. p. 660; C. B. Clarke in DC. Monogr. 
Phanerog. iii. p. 316 (errore Rheo). 
Tradescantia discolor, L’ Hérit. Sert. Angl. p. 8, t. 12; Smith, Ic. Pict. Pl. Rar. t. 10; Bot. Mag. 
tt. 1192 et 5079; Redouté, Lil. iii. t. 168; Refug. Bot. t. 48; Flore des Serres, t. 1169-70. 
Tradescantia spathacea, Swartz, Prodr. Fl. Ind. Occ. p. 57. 
Ephemerum bicolor, Mcench. Hort. Marb. Suppl. p. 78. 
Mexico (ex Kunth).—West Inpius. No Mexican specimens in Kew Herbarium, and 
most of them from cultivated plants. 
It is commonly cultivated in warm countries, and has become wild in some places in 
the Old World. 
10. LEPTORHGO. 
Leptorheo, C. B. Clarke in Hemsl. Diag. Pl. Nov. (April 1880) p. 55, et in DC. Monogr. Phanerog. 
ill. p.317; Benth. et Hook. Gen. Plant. iii. p. 856. 
An herbaceous monotype. 
1. Leptorheo filiformis, C. B. Clarke in Hemsl. Diag. Pl. Nov. (April 1880) 
p. 55, et in DC. Monogr. Phanerog. iii. p. 317. (Tab. XCVI. figg. 1-11.) 
Tradescantia filiformis, Mart. et Gal. in Bull. Acad. Brux. ix. (reprint, p. 5). 
Aneilema floribundum, Hook. et Arn. Bot. Beech. Voy. p. 311. 
SourH Mexico, Cordillera of Oaxaca (Galeotti, 4957); Nicaragua, island of Omotepé 
(Lévy, 202), without locality (Zate, 11, 451); Panama (Seemann, 278).—VENEZUELA to 
Brazit. Hb. Kew. 
By some slip Clarke attributes to us the species of this genus, though we had pre- 
viously published it as his, with his diagnosis; and Bentham and Hooker erroneously 
cite us as the authority for the genus. 
EXPLANATION OF TAB. XCVI. Fiee. 1-11. 
Fig. 1, portion of a plant of Leptorhwo filiformis, natural size. 2, a flower-bud; 8, an expanded 
flower; 4 and 5, stamens; 6, pistil; 7, capsule; 8, vertical section of the same; 9, cross 
section; 10, dorsal view of a seed; 11, ventral view of the same: all enlarged. 
