412 IRIDACEZ. (IRIS FAMILY.) 
7. T. recurvata, Pursh. Leaves scurfy, bristle-awl-shaped, curved, nearly 
terete, shorter than the stem; stem naked above, 1 — 2-flowered ; corolla longer 
than the calyx.—East Florida, Leconte. — Stem 6/ high. Leaves ash-color, 2- 
ranked, narrowly channelled. 
* * Stems filiform, pendent : flowers solitary, green. 
8. T. usneoides, E (Lone Moss.) Scurfy and hoary; stems (19 - 29 
long) branching ; leaves 2-ranked, linear-awl-shaped, recurved ; flowers sessile 
at the summit of the branches, small; sepals longer than the bracts, half as long 
as the linear recurved green petals. — Humid situations in the lower distriets, 
Florida to North Carolina, and westward. June - Sept. 
ORDER 147. IRIDACEZE. (Iris Family.) 
Herbs, with linear or sword-shaped equitant nerved leaves, and fuga- 
cious often showy flowers from a 2-leaved spathe.— Perianth 6-parted, 
the divisions spreading and equal, or the inner ones smaller, convolute in 
the bud. Stamens 3, distinct or united : anthers extrorse. Ovary adnate 
to the tube of the perianth, 3-celled ; the numerous anatropous ovules 
fixed to the central placente. Style single: stigmas 3. Capsule loculi- 
cidally 3-valved. Embryo in the axis of fleshy albumen. ; 
Synopsis. 
1. IRIS. Stigmas petal-like, covering the stamens : capsule angular. 
2. SISYRINCHIUM. Stigmas filiform: capsule globular: stem flat. 
8. NEMASTYLIS. Stigmas filiform, 2-parted: stem terete. 
1. IRIS, L. Brue Frac. Frower-pe-Luce. 
Perianth corolla-like, 6-parted, the exterior divisions recurved, and often 
-crested or bearded within, the interior mostly smaller and erect. Stamens 3, 
opposite the outer divisions of the perianth, concealed by the dilated petal-like 
2-lipped spreading stigmas. Style 3-angled. Capsule 3-6-angled. Seed nu- 
merous, flattened, packed in 2 rows in the cells. — Perennial herbs, with creep- 
ing or tuberous rootstocks, simple or branched stems, linear or sword 
leaves, and showy flowers from a scarious spathe. 
* Stems tall, leafy: divisions of the perianth unequal. — 
