PONTEDERIACEAE 265 
4. C. longicaulis Jaeq. Stem and branehes 3-10 dm. long, re the 
roots fibrous: leaf-blades lanceolate i ga ene ee 3-8 e ong, acute: 
spathe 1-2.5 cm. long, vius twice as long as wide: Dus aoe pou long. 
uu iud pid 5: seeds 2-2.5 mm. E ng. [C. nudifiora (Fl. U. 83] 
— (BAB EWFLOWER.)— —Moist soil, sandy places, along a or cult. 
Ms various Mead Fla. t o Tex., Kans., Ind., and Ga.; occasional as a 
weed N to Pa. Nat. of t 
broad, 1.5-2 em. long, acute: capsule about 4 mm. long.—Moist, often sandy 
soil, S Fla. and 8 Tex, —(W. I., Mez., C. A., 8.4) 
ta L. Stem and bes 2-9 dm. tall, ereet or ascending: leaf- 
Pládes ras lanceolate, 3—12. cm. long, acuminate, sparingly hairy about the 
mouth of the sheath: spathe 2-3 cm. long, purum e: anterior petal shorter 
than the claws of the posterior ones: capsule 4-5 mm. long. [C. virginica (Fl. 
SE. U. S.) not L. C. saxicola Sm ic soil, loam, and rocky woods, 
various provinces, Fla. to Tex., Kans., and N. Y. 
7. ©. pa Wooton. Stem and branches 2-9 dm. long, often decumbent: 
leaf- Blades d d pepe linear- po 3-8 em. long, erisped: spathe 
en or acuminate: capsule 4-5 mm. dom Sandy or rocky 
2- 
soil, Tenn, to Tox, CAriz., Colo., had Ind. 
8. C. angustifolia Michx. Stem and branches 2-8 dm. long, erect or 
Pd leaf- oiv linear, sometimes m so, flat, attenuate: ee 
1-2 em. long, a or acuminate: capsul mm. long. [C. hamipila C. 
Wri righ boue Nash C. Nashii Bona] Pinelends, sand-d Med and 
fields, Coastal Plain, Fla. to Tex. and N. C.—(W. I.)—The iudicio de sap 
is used by the Seminoles to soothe a oie 
C. a L. Stem 2-12 dm. tall, simple or sparingly branched: leaf- 
blades ae or elliptic, 10-20 em. long, often scabrous: spathes usually 
clustered, triangular or PA aoe er Soret , 2-2.5 em. long, acute: petals ovate: 
capsule 7-8 mm. long.  [C. hirtella Vahl]—Mo ist or wet soil, mostly alluvial 
cs and river shores, Coastal Plain and adj. provinces, Fla. to Tex., Mo., 
and 
Faminty 2. PONTEDERIACEAE — PICKEREL-WEED FAMILY 
Bog or aquatic herbs with rootstocks. Leaves alternate: blades di- 
lated, narrow, or mere phyllodia. Flowers 1 or several from a bract-like 
tube. Gynoecium 3- sgl east but sometimes with a 1-celled ovary. Fruit 
a l-seeded duc de or a many-seeded capsule.—. genera is 20 spe- 
cies, fresh-water inhabitants in tropical and ine region 
Stamens 3: flowers few: perianth salverform 
Stamens equal: anthers narrow, erect : leaf-blades narrow. 1. ZOSTERELLA. 
Stamens unequal: anthers various, the posterior ones 
road, Hasse leaf-blades broad. 2. HETERANTHERA. 
Stamens 6: flowers many: perianth "2. -lipped. 
Ovary 1-cellec: ars and seed, solitary : fruit indehiscent. 3. PONTEDERIA. . 
Ovary 3-celled: ovules, and seeds, many: fruit dehiscent. 4. PIAROPUS 
