1098 |». HYDROLEACEAE 
elliptie to linear-spatulate, 5-6 mm. long: corolla dark-purple A do d ee 
5-11 em. long: stamens shorter than the corolla: ovary and s le-bas 
cent: pu 3.5-4 mm. long.—Dry soil, rocks, a and open d run i 
inees, N of Coastal Plain, Ga. to Kans. and Va.—Spr. 
5. P. Boykinii (A. Gray) Small. Plant 1-2 dm. long, the branches becoming 
E stem-leaves a 5-7 broadly ovate lobes: calyx-lobes elliptic, 3—3.5 
. long: co red bluish, 3-4 mm. long; lobes laciniate- toothed: appendages 
less ee ME is long as ES corolla: filaments sparingly pubescent: capsule 2.5 
. long.—Dry soil, inner edge of Coastal Plain, Ga.—Spr. 
6. P. Bicknelli Small Plant 1-3 dm. tall, the branches strigose: Ben 
as long as the corolla: filaments glabrous: capsule about 2 mm. long.—Barren 
soil, Interior Low Plateaus, Tenn.—Spr. 
7. P. Purshii Buckl. Plant 1-3 dm. tall, with rather stiff stems; stem-leaves 
with 5-9 lanceolate or elliptic lobes: calyx- -lobes linear = Ap i spatulate, 4-5 
mm. long: corolla light-blue with white eye, 6-7 long; lobes short- 
fimbriate; o manifest: filaments about as iene as the alae cap- 
sule about 4 mm. lon EN Su oi thickets and rich woods, various provin of 
Coastal Plain, "N. C. , Mo., Minn., and Pa.; locally ea. B field- 
weed.—Spr. 
8. P. fimbriata Michx. Plant 1-4 dm. tall, with weak stem: stem-leaves with 
5-7 triangular, uat or ovate, " partly e lobes: ~ -lobes elliptic 
to a spatulate, 5-6 mm. long: a white or pinkish, 8-9 mm. long; 
s obsolete: filaments a th an the corolla: capsule about 5 mm. 
long. ` Wooded slopes, Blue. Ridge to ipe Plateau, Ala. to Va.—Spr. 
6. MARILAUNIDIUM Kuntze. Annual or perennial herbs. Leaf- 
blades entire. Flowers solitary in axils. Calyx slightly accrescent: lobes nar- 
row. Corolla often blue, funnelform to 
nearly salverform: filaments often unequal, 
filiform, Styles distinet.—About 18 species, 
natives of warm and tropical regions. 
1. M. drca nh CI) Kuntze. | hes 
l—4 dm. long, spreading or n : leaf- 
blades Dr es broadly s 1-5 em 
long: Te w narrowly linear or nearly 
SO ong, ei 
—Ham 
ste d a impos Fla. E» Tex 
Mex., C. A., S. A.)—S8pr.-fal 
7. NAMA L. Perennial herbs, or shrubby ann sometimes spiny ea 
blades entire. Flowers in axillary or terminal ole Calyx Beky accres- 
cent: lobes broad. Corolla blue or rarely white, ato: campanulate. Fila- 
ments widely dilated at the base. Styles di voce pie L. Eo ut 45 
species, natives of warm and tropieal regions. 
f 
