PORTULACEA. 81 
6. MONTIA. 
Montia, Linn. Gen. Plant. n. 101; Benth. et Hook. Gen. Plant. i. p. 159. 
Only one species (or, according to some authors, three), a dwarf amphibious annual 
herb found in nearly all temperate and cold regions of the world. 
1. Montia fontana, Linn. Sp. Pl. p. 129. 
Sourn Mexico, peak of Orizaba (Galeotti, 4403). Hb. Kew. 
Order XX. TAMARISCINE. 
Tamariscinee, Benth. et Hook. Gen. Plant. i. p. 159. 
Shrubs, undershrubs, or sometimes arboreous. There are five genera, numbering 
altogether nearly fifty species. With the exception of the genus given below, they are 
all natives of the Old World. 
Tribe FOQUIEREA. 
This tribe is limited to the following genus :— 
1. FOQUIERA. 
Foquiera, H. B. K. Nov. Gen. et Sp. vi. p. 81; Benth. et Hook. Gen. Plant. i. p. 161. 
Spiny shrubs, restricted to Mexico and the countries lying immediately north of it. 
The following are all the species known. 
1. Foquiera formosa, H. B. K. Nov. Gen. et Sp. v. p. 83, t. 527. 
Phileteria horrida, Liebm. 
Sour Mexico, Province of Mexico (Humboldt & Bonpland), valley of Mexico 
(Bourgeaw, 1120), without locality (Sheppard). Hb. Kew. 
2. Foquiera spinosa, Torr. in Emory’s Rep. p. 147, t. 8. 
_ Bronnia spinosa, H. B. K. Nov. Gen. et Sp. vi. p. 84, t. 528. 
Norra Mexico, Sonora Alta (Coulter, 919), Rayon, Sonora (Thurber, 952); SourH 
Mexico, near Puente de la Madre de Dios, 5280 feet (Humboldt & Bonpland). Hb. Kew. 
3. Foquiera splendens, Engelm. Pl. Wisliz. p. 14. 
Texas and Lower Catirornia to—Souta Mexico, Mitla, Oaxaca (Andrieua, 365). 
Hb. Kew. ; 
[ELaTINE#, a small family, consisting of two genera and about twenty species of herbs 
(sometimes aquatic or amphibious) and undershrubs, scattered nearly all over the world. 
Elatine americana, Arnott, has a wide distribution in South America, and also occurs _ 
in California, Texas, and in several of the Atlantic States of North America; but we 
have seen no specimens from Mexico or Central America, though it possibly occurs 
there. It also grows in Australia and some of the islands of the Pacific. | 
BIOL. CENT.-AMER., Bot. Vol. 1, Sept. 1879. | m 
