400 CONVOLVULACE. 
San Juan de Dios (Bernoulli, 181)—To Psrrv and Braziu and in the West INDIEs. 
Hb. Kew. 
6. BREWERIA. 
Breweria, R. Br. Prodr. Fl. Nov. Holl. p. 487; Benth. et Hook. Gen. Plant. ii. p. 876. 
A genus of about twenty-five herbaceous and shrubby species, inhabiting the warmer 
regions of both hemispheres, and extending into North America and Australia. 
1. Breweria mexicana, Hemsley, n. sp. 
Erecta, foliis lanceolato-oblongis, floribus paucis aggregatis longiuscule graciliterque pedicellatis, 
sepalis inzequalibus, filamentis barbatis, ovario villoso, styli ramis gracillimis inzequilongis. 
Herba vel frutex erectus, undique plus minusve fulvo-pubescens, ramulis graciliusculis, obscure 
angulatis. Folia petiolata, crassiuscula, mollia, lanceolato-oblonga, 2-25 poll. longa, acuta, 
basi obtusa vel rotundata; petiolus gracilis, 3-4 lineas longus. Flores parvi (8-9 lineas longi), 
pauci, fasciculati vel subcorymbosi, pedicellis fere filiformibus, usque ad 8 lineas longis ; sepala 
valde inzequalia, 3 exteriora majora, ovata, obtusa, usque ad 6 lineas longa, demum glabre- 
scentia, sicca venosaque, 2 interiora subscariosa, alterum szepissime orbiculari-caudatum, 
alterum orbiculare; corolla extus parce hirsuta; stamina inclusa, medio corolle inserta, 
filamentis infra medium dilatatis, barbatis, antheris latis; ovarium villosum, 2-loculare, 4-ovu- 
latum; stylus filiformis, inequaliter bifidus, ramulis gracillimis, stigmatibus capitatis. 
Fructus deest. 
South Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 623). Hb. Kew. 
2. Breweria ovalifolia, A. Gr. Synop. Fl. N. Am. ii. p. 217. 
Evolvulus? ovalifolius, Torr. Bot. U.S. & Mex. Bound. Surv. p. 150. 
NortH Mexico, on the Rio Grande, below San Carlos (Parry). 
8. Breweria, sp. ? 
NortH Mexico, between San Luis Potosi and Tampico (Palmer, 1035). 
7. DICHONDRA. 
Dichondra, Forst. Char. Gener. p. 39, t. 20; Benth. et Hook. Gen. Plant. ii. p. 879. 
Four or five species of small prostrate herbs, generally dispersed in warm countries. 
1. Dichondra argentea, Humb. et Bonpl., ex Willd. Enum. Pl. Hort. Berol. 
p. 297, et Hort. Berol. t. 81; Meissn. in Fl. Bras. vii. p. 359; A. Gr. Synop. Fl. N. Am. 
ii. p. 208. 
Texas to Arizona.—Nortu Mexico, Chihuahua (Thurber), region of San Luis Potosi, 
6000 to 8000 feet (Parry & Palmer, 624); Sourn Mexico, valley of Mexico (Lourgeau, 
134: Schaffner, 2; Bilimek, 248), Real del Monte (Coulter, 1013).—Western SourH 
America. Hb. Kew. 
2. Dichondra repens, Forst. Char. Gener. p. 40, t. 20; DC. Prodr. ix. p. 451; 
Sm. Ic. ined. t. 8; A. Gr. Synop. Fl. N. Am. ii. p. 208. 
Dichondra macrocalyz, Meissn. in FI. Bras. vii. p. 357. 
Dichondra sericea, Swartz, Ic. Ind. Occ. t.10; Griseb. Fl. Brit. W. Ind. p. 476. 
