ACANTHACEAR 1229 
aD elliptic to spatulate, 2.5-4.5 em. long; calyx sparingly ciliate or gla- 
pida b linear-filiform, 13-16 mm. | oue corolla deep purplish-blue, about 
4c ong.—Everglades, Fla.—All yea 
4. R. parviflora (Nees) Britton. Ste 6 dm. tall, digas i UR He 
green: P enf. blades elliptie to elliptic- A 3—10 em. lon ng: alyx hir 
2 linear-filiform, 15-20 mm. long: corolla blue, 4—5 em. long; tube e 
. thick: An: barely 15 mm. long. — soil, Coastal Plain and adj. 
A Fla. to Tex., Ind., and N. J.—Spr.- 
5. R. hybrida Pursh. Stem 2-6 dm. long, often diffusely spreading, grayish 
pubescent: leaf-blades elliptic to cpt -laneeolate, 3-10 em. long: calyx 
hirsute; lobes linear-filifor 15-20 long: corolla Pei -blue, 4-5 em. 
ong: capsule 10—16 mm. ns E dene Fla.—Spr.- 
noctiflora (Nees) A. Gray. Stem 1-3 dm. tall, Rd pubeseent: 
WP blades elliptie, sometimes aoe co SO Or elliptic- M ese 4—7 long: 
calyx softly ne E linear-filiform, 25-35 mm. long: corolla blue or 
nearly white, abou ong; tube about ? mm. thick. Se about 25 mm. 
long.—Pi nelands, o2 Plain, Fla. to Miss. and Ga.—Spr.- 
7. R. strepens L. Stem 2-12 dm. tall, LUE or finely pubescent; dd 
blades ovate to e pen 5-15 em. long: corolla blue or nearly white, 5-6 en 
long: eapsule 10—15 mm. lon ng.—Dr y soil, id ealeareous, various E 
Fla. to Tex., Wisc., and Pa.—Spr.-sum. 
alacosperma Greenm. Stem up to 1 m. tall glabrous in age: lea 
blades linear- ei or inae -spatulate on e Oe part of the stem, dw 
linear and attenuate above, mostly 1—2 ong: flowers in open cymes: calyx 
sparingly SUDO ; lobes linear- RUE about 1 em. long: eee bluish- 
purple, 3.5—4 em. long; tube about 1 em. long, shorter than the throat: cap- 
sule about 2.5 cm. long.—Roadsides, cult. dag and ditch- aes Coastal 
Plain, Fla. to La. Nat. of C. A. and cult.—Spr.-fal 
Blechnum Blechnum (L.) Millsp., with uy camer bracted epike-like 
panicles, has been found in Fla.; it is a native of S. 
6. GERARDIA L. Mostly seapose herbs. Leaves mainly basal. Flowers 
in terminal spikes. Calyx-lobes 5, ne | 
equal. Corolla with slightly unequal broad 
spreading lobes. Stenandrium A 
About 25. species, of jpa ical Amer 
1. G. floridana (A. Gray) Small. Plant 
2—6 cm. tall: leaf- UEM ovate to elliptie or 
oval, 2-3 em. long: calyx-lobes linear-subu- 
m. long: corolla - 
gen Gerardia has lon ng been mis- 
takenly applied p certain groups of the 
Figwort i 
7. DIAPEDIUM Konig. Annual or usually dan herbs.  Leaf- 
blades entire. Flowers in conspicuously bracted spik Calyx 5-lobed, the 
lobes narrow, "edd equal. Corolla 2-lipped, the upper ie erect. Filaments 
elongate. Capsule with an ovoid or suborbicular body. [Dicliptera Juss.]— 
bout 60 species of tropical and warm regio 
