WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 427 
14. SIDANODA (Robinson) Woot. & Standl. 
Sidanoda Woot. & Standl. gen. nov. 
Anoda section Sidanoda Robinson in A. Gray, Syn. Fl. 11: 320. 1897. 
Erect, much branched annuals, with short stellate pubescence; leaves various in 
outline, alternate, long-petiolate; flowers small, long-pediceled, in open racemes or 
panicles; petals yellow or blue; carpels 5 to 9, depressed or ascending, dorsally 
umbonate or short-cuspidate, puberulent, never hirsute; seeds resupinate-pendulous. 
TypE SPECIES: Anoda pentaschista A. Gray. 
1. Sidanoda pentaschista (A. Gray) Woot. & Standl. 
Anoda pentaschista A. Gray, Pl. Wright. 2: 22. 1853. 
Tyre Locauity: Valley between Ojo de Gavilan and Condes Camp, beyond the 
Copper Mines, New Mexico. Type collected by Wright (no. 893). 
Rance: Western Texas to southern Arizona and adjacent Mexico. 
New Mexico: Between Ojo de Gavilan and Condes Camp; Mesilla Valley. Lower 
Sonoran Zone. 
Order 34. HYPERICALES. 
KEY TO THE FAMILIES. 
Styles wanting. 
Herbs; placentz axial...............-.....- 90. ELATINACEAE (p. 427). 
Shrubs; placente basal..................... 91, TAMARICACEAE (p. 427). 
Styles present. 
Petals united to above the middle.......... 92. FOUQUIERIACEAE (p. 428). 
Petals distinct, or merely coherent at the 
base. 
Styles united............222222020020- 95. VIOLACEAE (p. 428), 
Styles distinct. 
Sepals united into a tube; leaves 
not pellucid-dotted.......... 93. FRANKENIACEAE (p. 428). 
Sepals distinct; leaves pellucid- 
dotted ......2..22-2.2-2------ 94, HYPERICACEAE (p. 428). 
90. ELATINACEAE. Waterwort Family. 
1. ELATINE L. WatTerwort. 
Small, fragile, often aquatic, glabrous herbs with opposite or whorled leaves; 
flowers minute, usually solitary in the axils; sepals 2; petals and stamens 2 or 3; 
capsules subglobose, rarely 1 mm. in diameter; seeds small, striate. 
1. Elatine americana (Pursh) Arnold, Edinburgh Journ. Sci. 1: 430. 1830. 
Peplis americana Pursh, Fl. Amer. Sept. 238. 1814. 
Type LocaLity: Pennsylvania. 
Rance: British America to Oregon, New Mexico, and Virginia. 
We have seen no specimens of this from New Mexico, but in the Botany of the 
Mexican Boundary it is reported from ‘‘hills near the Copper Mines,”’ collected by 
Bigelow. 
91. TAMARICACEAE. Tamarix Family. 
1. TAMARIS L. 
1. Tamarix gallica L. Sp. Pl. 270. 1753. SALT CEDAR. 
TypE Locauiry: ‘‘ Habitat in Gallia, Hispania, Italia.’’ 
A cultivated plant, used very effectively for hedges in many places, often escaped. 
It may be recognized by its habit, which suggests the name of cedar (though it is 
not evergreen), and by its large panicles of small pink flowers borne profusely in 
