IXIACEAE 325 
pubescent beneath: staminate sepals oval: e racemes flowered: fruits 
few, suborbicular to broadly obovate or obreniform, 2-3.5 cm. long.—Thickets 
and ri ch woods, various provinces, rarely Coastal Plain, S. o to Ark., Mo., 
nd Pa. 
n 
obreniform, 2 em. long or less. ’ Moist thickets and woods, various provinces, 
Va. to Tex., Minn., and Mass S. 
4. D. hirticaulis Bartlett. Rootstock Mani pied and usually simple, bear- 
ing more slender short lateral Pte stem pubescent: leaf- uud: broadly 
ovate, densely pale- pu escent beneath: pistillate es ew-flowered: frui 
few, broadly f or deltoid. oe about 2 cm. long.—Br eh E 
Coastal Plain, Ga. an nd S 
5. D. floridana Bartlett. Rootstock not seen: stem E leaf-blades 
broadly ovate. to ovate-hastate, decidedly acuminate, green t paler beneath 
than above, glabrous: stamin ate rang bu eiie often E elongate: pis 
tilate racemes few-flowered: frui oadly obovate to suborbieular, about 
2 cm. long.—Moist des eal ‘Plain, Fla. to S. C. 
FAwiLy 3. IXIACEAE — Iris FAMILY 
Perennial, mostly caulescent herbs with short or long root tstocks. 
o 
partially adnate to the pe erianth. Gynoecium of 3 united carpels. Ovary 
ip Styles entire or divided, cns petal-like. Ovules few or 
nu Fruit a loeulieidal 3-valved Dun ule.—About 60 genera and 
1, 000 : EUN. of wide geographie distributio 
Style-branches or stigmas alternate with the stamens 
stamens not lying against the style-branches. ribe I. SISYRINCHIEAE. 
Style-branches or stigmas opposite the stamens: stamens ly- 
ing against the style-branches. Tribe II. IRIDEAE. 
ISYRINCHIEAE 
Filaments distinct or united into a very short tube: sepals 
and petals obtuse or merely acute: capsule erect, more 
or less elongate. 
Style-body very short- columnar, surrounded by the filament- 
e e ra pP slender-subulate: stigmas capitate l 
utely 1. NEMASTYLIS. 
Style- body eines clavate or trumpet-shaped, not sur- 
nded by the filament-tube: style-branches at 
and stigmas reniform or columnar, and stigma 
o 
Flower zygomorphie, the style declined, the stamens 
ed nding: perianth nodding: stigmas reniform, 
eading. 2. SALPINGOSTYLIS. 
Flower actinomorphic, the style and stamens erect: 
erianth erect: stigmas erect. 3. BELAMCANDA. 
Filaments united into a long tube and around the style: 
sepals and ps mucronate or aristate at the apex: cap- 
sule subglobose 4. SISYRINCHIUM. 
Style-branches petaloid and appendage d at the tip: onu distinct. 
lower terminating a short leafy branch from the roo 
Stock: hypanthium tube elongate, nearly or quite dn 
long as the sepals: seeds arillate. 5. NEUBECKIA. 
Flower or flower-clusiers on tall stems, subtended by 
foliaceous bracts: hypanthium tube very short: seeds 
not arillate. 6. IRIS. 
Style-branehes not petaloid and unappendaged: filaments 
united. T. HERBERTIA. 
