ORDER CXXV. BURMANNIACE^E. 531 



scurely angled. — Purple. If. April — May. Southern Georgia and 

 Florida. 2 — 3 feet. 



4. I. hexago'na, (Walt.) Stem columnar, flexuous. Floviers solita- 

 ry ; exterior segments of the perianth spatulate, reflexed, variegated 

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

 Capsule hexagonal, ventricose. — Blue. If. May — July. In swamps 

 in the low country. 2 feet. 



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

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

 ate, the interior ones smaller. Stigmas with a membranaceous margin. 

 Capsule ventricose, hexagonal. — Tawny. If. April — May. In marshes 

 of lower Georgia and Florida. 



Genus II— SISYRIN'CHIUM. L. 15—3. 

 (From sus, a pig, and ryngchos, a snout) 



Perianth 6-leaved. Stamens usually inonadelphous, 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. Style triquet- 

 rous. Capsule 3-valved, 3-celled, many-seeded. — Blue. — If. 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. 

 Capsule 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. Flowers in clusters. Spathe 2-leaved, unequal. Leaves 

 of the perianth mucronate. — Blue. If. July — August. Dry soils. 

 8 — 12 inches. 



The species of Sisyrinchium might be united in one, as there are very slight differ- 

 ences between them. 



Order CXXV.— BURMANNIA'CEJS. 



Perianth 6-parted, tubular, superior, the three alternate seg- 

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

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

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

 merous. Herbaceous plants, with minute, subulate leaves. 



Genus I.— BUUMAX'XIA. 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. Perianth dilated 



