ORDER CXXV. — BURMANNIACEJ5. 531 



sciirelj anjrled.— Purple. U- April— May. Southern Gcori'ia and 

 Florida. 2—3 feet. - 



4. I. hexago'na, (Walt.) Stem columnar, flexuous. Flovers solila- 

 rj; exterior segments of the perianth eputulat*', reflexed, varii-frated 

 at the base, with purple and white, the exterior ones erect, spatulate. 

 Capsule hexagonal, ventrieose. — Blue. If. May — July. In swatnps 

 in the low countr3^ 2 feet. 



5. I. cup'rea, (Pursli.) Stem erect, angled on one side. Leaven ensi- 

 form, axillary ; the exterior segments of the perianth obovate, einargin- 

 afe, the interior ones smaller. St?r//nas witli a membranaceous margin. 

 Ca/)SM/e ventrieose, hexagonal. — Tawny. If. April — May. In marshes 

 of lower Georgia and Florida. 



Genus XL— SISYRIN'CHIUM. L. 15—3. 

 (From 8US, a pig, and ryngchos, a snout) 



Perianth 6-leaved. Stameyis usually monadelphous, 3. 

 Capsule triangular, projecting out of the spathe, with grass-like 

 leaves. 



1. S. mucrona'tum, (Mich.) Stem simple, compressed. Leaves nar- 

 row, acute, usually tinged with blue. Flowers in terminal clusters. 

 Spathe colored, 2-leaved, with a partial sheath at the base of each pe- 

 duncle. Leaves of the perianth emarginate, mucronate. /S/y/e triquet- 

 rous. Capfiule 3-valved, 3-celled, many-seeded. — Blue. — 2f. June — 

 July. Damp soils. Mountains, 4 — 6 inches. 



2. S. Bermudia'na, (L.) Stem erect, compressed, glabrous, divided 

 at the summit. Leaves ensiform, glabrous. Flowers in terminal ra- 

 cemes. Spathe 2-leaved, with a small spathe at the base of each pe- 

 duncle. Leaves of the perianth emarginate, mucronate, pubescent 

 6'ajosw/e pubescent, 3-celled, 3-valved, many-seeded. — Blue. If. March 

 — May. Damp soils. 12 — 18 inches. 



3. S. an'ceps, (L.) Stem compressed, winged, simple. Leaves ensi- 

 form, radical, i^^wrrs in clusters. >S^a</te 2 leaved, unequal. Leaves 

 of the perianth mucronate. — Blue. 2f. July — August. Dry soils. 

 8—12 inches. 



The species of Sisyrinchium might be luiited in one, as there are very siiglit differ- 

 ences between them. 



Order CXXV.— BURMANNIA'CE^. 



Perianth 6-parte(l, tubular, superior, the three alternato seg- 

 ments small. Stamens 3. Anthers sessile, 2-celletl, the con- 

 nectivum fleshy. Ovary inferior, 3-celled, many-seeded. Style 

 1. Stigma 3-lobed. Capsule 3-celled, 3-valved. Seeds nu- 

 merous. Herbaceous plants, with minute, subulate leaves. 



Genus L— BURMAN'NIA 3—1. 



Genus the same as the Order. 



1. B. capita'ta, (L.) Stem erect, setaceous, glabrous. Leaves subu- 

 late, minute, alternate. Flowers in terminal heads. Ferianth dilated 



