658 EEIOCAULONACE^E. 



J. militaris, Bigel. Stout (2 -4 high), 1-leaved; heads panicled, 5- 

 10-flowered ; sepals lanceolate, acute, as long as the ovate, taper-beaked, 1- 

 celled capsule ; stamens 6 ; seeds globose-ovate, abruptly pointed. In water, 

 Alabama, and northward. 



J. brachycarpus, Engelm. Stem erect (l-2 high), mostly 2-leaved, 

 heads 2-10, globular, closely many -flowered, pale green; sepals linear-subu- 

 late, unequal, the outer ones longer ; capsule ovoid, acute, 1-celled, shorter 

 than the sepals ; style very short. South Carolina (Beyrich), mountains of 

 Georgia ?, and northward. 



J. asper, Engelm. Rigid, erect (2 -3 high); leaves terete; panicle 

 erect ; heads 2 - 6-flowered ; sepals ovate-lanceolate, strongly nerved, very 

 acute, the inner ones longer, and barely shorter than the beak-pointed cap- 

 sule; seeds oblong, finely ribbed. Swamps, Henderson County, North 

 Carolina (Canby), and northward. 



ORDER COMMELYNACE^E. 

 TRADESCANTIA, L. 



T. Floridana, Watson. Stem (4' -8' long) tender, ascending from a 

 creeping base, branching ; leaves ovate or ovate-lanceolate, acute, ciliate at 

 the base (f or less long), the floral ones bract-like; flowers very small (2"- 

 3" wide), terminal, shorter than their pedicels; sepals pubescent. Coast 

 of East Florida (Curliss). 



ORDER XYRIDACEJE. 

 XYRIS, L. 



X. setacea, n. sp. Scape setaceous (1 high) like the terete leaves, 

 these 3'- 5' long; spikes ovoid (3" long) ; lateral sepals included, connivent 

 at the tips, the narrowly winged keel serrulate above the middle. Margins 

 of ponds near Mobile (Mohr). 



ORDER ERIOCAULONACE^. 

 ERIOCAULON, L. 



E. septangulare, Withering. Leaves short (l'-2' long), subulate- 

 linear, pellucid; scape weak and slender; head small, hemispherical, densely 

 white-bearded ; scales of the involucre rounded ; bracts spatulate. E. pellu- 

 cidum, Michx.) Wet pine barrens, Southern Mississippi (Prof. Hilgurd). 



