4 NYCTAGINES. 
. 4, ALLIONTIA. 
Allionia, Linn. Gen. Plant. n. 117, non Loefl.; Benth. et Hook. Gen. Plant. ii. p. 4. 
Wedelia, Linn. in Loefl. It. p. 180. 
An herbaceous monotype. 
1. Allionia incarnata, Linn. Sp. Pl. p. 147; DC. Prodr. xiii, 2, p. 434; Lam. 
Ill. t. 58; L’Her. Stirp. t. 31. 
Allionia malacoides, Benth. Bot. Voy. ‘Sulphur,’ p. 44. . 
Texas to Catirornia.—Nortu Mexico, Sonora Alta (Coulter, 1260), Chihuahua (Potts), 
Monterey (Eaton & Edwards) ; Sours Mexico, Tacubaya (Schaffner, 16), Guadaloupe, 
valley of Mexico (Bourgeau, 293); Chapultepec (Bilimek, 167).— VENEZUELA to CHILI | 
and ARGENTINA. Hb. Kew. 
5. BOERHAAVIA. 
Boerhaavia, Linn. Gen. Plant. n. 9 (Boerhavia) ; Benth. et Hook. Gen. Plant. iii. p. 5. 
A genus of about thirty herbaceous and half-shrubby species, widely dispersed in 
warm countries. 
1. Boerhaavia anisophylla, Torr. Bot. U.S. & Mex. Bound. Surv. p. 171. 
Texas or Norra Mexico, on the Rio Grande (ex Torrey). 
2. Boerhaavia erecta, Linn.; DC. Prodr. xiii. 2, p. 450; Griseb. Fl. Brit. W. 
Ind. p. 69; Jacq. Hort. Vindob. tt. 5 et 6. 
Gzoreia to New Mexico.—Nortu Mexico, Chihuahua (ex Torrey), Monterey (Eaton 
& Edwards) ; Sovra Mexico, Cordilleras of Vera Cruz and Oaxaca (Galeotti, 580, 2558) ; 
GuaTEMALA, Mazatenango (Bernoulli, 587).— West Inpres. Hb. Kew. 
3. Boerhaavia eriosolena, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 322, 
NortH Mexico, valley near Azufrora in Coahuila or Durango (Gregg, 512). Hb. Kew. 
4. Boerhaavia hirsuta, Willd. Phytog. i. n. 3;.Choisy in DC. Prodr. xiii. 2, 
p. 451; Griseb. Fl. Brit. W. Ind. p. 69; Jacq. Hort. Vindob. t. 7. 
Texas.—Mexico (ex Choisy); Payama? (S. Hayes, 732).—West Inpres; Guana; 
GataPpacos. Hb. Kew. | 
5. Boerhaavia leiosolena, Torr. Bot. U.S. & Mex. Bound. Surv. p. 172. 
Texas or Nort Mexico, on the Rio Grande (Parry). 
6. Boerhaavia linearifolia, A. Gr. in Am. Journ. Sc. ser. 2, xv. p. 322. 
Texas.—Nortu Mexico, Saltillo (Gregg, 110), Sierra Madre (Palmer, 1121). Hb. Kew. 
7. Boerhaavia paniculata, Rich. ; Choisy in DC. Prodr. xiii. 2, p- 450 : Griseb. 
Fl. Brit. W. Ind. p. 69. ° 
Texas.—New Mexico, Norta Mexico, region of San Luis Potosi, 6000 to 8000 feet 
(Parry & Palmer, 770), Zacatecas (Hartweg, 45); SourH Mexico, Zimapan (Coulter, 
1429, 1430); Panama (ex Grisebach).—West Inpims; GaLapagos. Hb. Kew. 
