Nash : Revision of thk Family Fouquiekiaceae 451 



uniting by the inner edges and breaking away from the walls, 

 forming a central column attached at the apex and at the base. 

 Ovules 4-6, in two rows, in each cell, borne on the edge of the 

 free portion of the septa. Styles 3, slender or stout, included in 

 or exserted from the corolla, united only at the base or for their 

 entire lengtli. Capsule dehiscing loculicidally, 3-valved, the 

 valves thick and coriaceous. Seeds oblong, comjircssed, at first 

 broadly winged, the wing finally breaking up into long filaments 

 similar to those on the body of the seed. Albumen thin, oily. 

 Cotyledons flat, oblong to ovate, cordate at the base. Radicle 

 short. 



Genera two, both natives of Mexico, one, Fouqitkria, also found 

 in the adjacent parts of the United States. The Idria of Kellogg 

 is often united with Fouqiiicria, but it seems more natural to keep 

 it separate, both on account of habital characters and differences 

 in the flowers. The short stout included styles united for their 

 entire length, yellow flowers and columnar, normally unbranched 

 trunk, justify this treatment. 



Styles more or less united, but free at the apex, exserted, the column and branches 

 slender: shrubs or trees with branching trunk : corolla red. I. Fouqtiieria. 



Styles wholly united, stout, short, included, forming a 3-angled stout body: tree with 

 a stout columnar undivided trunk : corolla yellow. 2. IJria. 



I. FOUQUIERIA H.B.K. Nov. Gen. & Sp. 3 : 452. 1820 



Bromiia H.B.K. Nov. Gen. & Sp. 6 : 83. 1823. 



PJiUctaena'U€<ym. Vidensk. Selsk. Skr. V. 2 : 283. pi. 185 i. 



Shrubs or trees with spicate or paniculate inflorescence and red 

 sessile or pedicelled flowers. Sepals less than one half as long as 

 the corolla-tube. Corolla red, cylindric to campanulate, the seg- 

 ments united into a tube for one half their length or more, the tube 

 sometimes gradually enlarged toward the apex : lobes from erect 

 to recurved or enrolled. Stamens ten to fifteen, more or less 

 broadened and compressed dorsally at the pubescent base. Styles 

 slender, exserted, united only at the base, or nearly to the apex. 



Species six ; Mexico and the adjacent parts of the United 

 States. 



Inflorescence corymbiform-paniculate. I. F. fasciculata. 



Inflorescence conic to elongated paniculate, or spicate. 



Corolla-tube cylindric, several times longer than the lobes. 



Inflorescence spicate. 2. F. formosa. 



Inflorescence paniculate. 



Filaments unappendaged : panicle conic to ovate : bushy shrubs or trees. 



