WOOTON AND STANDLEY — FLORA OF NEW MEXICO. 427 



14. SIDANODA (Robinson) Woot. & Standi. 



Sidanoda Woot. & Standi, gen. nov. 



Anoda section Sidanoda Robinson in A. Gray, Syn. Fl. I 1 : 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. & Standi. 



Anoda pe7itaschista A. Gray, PI. Wright. 2: 22. 1853. 



Type locality: Valley between Ojo de Gavilan and Condes Camp, beyond the 

 Copper Mines, New Mexico. Type collected by Wright (no. 893). 



Range: 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; placentae axial 90. ELATINACEAE (p. 427). 



Shrubs; placentae basal 91. TAMARICACEAE (p. 427). 



Styles present. 



Petals united to above the middle 92. FOUQTJIEBIACEAE (p. 428). 



Petals distinct, or merely coherent at the 



Styles united 95. VIOLACEAE (p. 428). 



Styles distinct. 



Sepals united into a tube; leaves 



not pellucid-dotted 93. FRANKENIACEAE (p. 428). 



Sepals distinct; leaves pellucid- 

 dotted 94. HYPERICACEAE (p. 428). 



90. ELATINACEAE. Waterwort Family. 



1. ELATINE L. Waterwort. 



Small, fragile, often aquatic, glabrous herbs with opposite or whorled leaves; 

 flowers minute, usually solitary in the axils; sepals 2; petals and Btamena 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. 



Range: 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 "bills near the Copper Klines," collected by 

 Bigelow. 



91. TAMARICACEAE. Tamarix Family. 



1. TAMARIX I.. 



1. Tamarix gallica L. Sp. PI. 270. 1753. BA1 r OSDAB. 



Type locality : " Habitat in Gallia, Hispania, Italia." 

 A cultivated plant, u*<'<\ very effectively i'<>r bedges in many place . often • 

 It may he recognized by ii-< babit, which BUgge ts the name of cedar (though Ll ii 

 imt evergreen), and l>y it* large panicles <>i -mall pink Sowers borne profusely in 



