880 CISTACEAE 
6. C. thyrsoideum Barnhart. Plant similar to C. Nashii in habit, 2 Nd 
inflorescence less widely branched, and the sepals densely hirsute. TH. t 
soideum Barnh.]—Dry sandy soil, Pinellas Co., Fla.—Spr. 
7. C. rosmarinifolium (Pursh) Barnhart. Stem 1.5-4 dm. tall: leaf-blades 
linear or narrowly linear-oblanceolate, or those on basal shoots broader, 1-3 
em. long: petaliferous flowers few, with 12-30 stamens and 8 ovules, "their 
sepals ovate, 2-3 mm. long, the corollas 12-15 mm. br oad, their capsules 2—3 
em. long: apetalous flowers in dense clusters, with 3 stamens and 3 ovules, the 
capsule short-pedicelled, abou mm. broa H. dabei Mi Pursh |— 
Pinelands, -— fi elds, and roadsides, Coastal Plain, N Fla. E Tex. and 
C—Sum 
C. Mmm (L.) Britton. Stem 1-6 dm. one leaf- Min elliptic, 
linear- -elliptie, or oblanceolate, nearly sessile, 1.2-3 em. long, rough and dark- 
green above, paler and canescent beneath: petali erous a with 30 stamens 
and 30-60 o | i j 
and 6-8 mm. long: apetalous flowers appearing later, axillary, nearly sessile, 
with 4 stamens and 6-20 ovules, the capsule about 4 mm. in diameter: s 
pais e. [H. canadense (L.) Michx. ] — (FRosT-WEED .)—Acid sandy or rocky 
soil, often in woods, various provinces, N. C. to Miss., Wis., and Me.—Spr.—fall. 
9. C. Bicknéllii (Fernald) Barnhart. eee m iss Lr leaf-blades e 
tic-lanceolate or oblanceolate, acute obtu 1.5-3.5 cm. long, stellate 
eanescent beneath, pens above, short- end ' petaliferous flowers with 30 
stamens and 30—60 ovules, As pear eai canescent, the outer nearly as 
long as the inner, ene rolas 1.5 . broad, light- sine the capsule 
ovoid, 3-4 mm. long: apetalous ae appearing later, . 4 stamens and 
6-20 ovules: seed evenly reticula ae [H. majus (Fl. SE. U. S.) H. Bicknellà 
Fernald |—-(Hoary F eG Dry soil, pou in open woods or old fields, 
various piovincon S. C. to Tex., Colo., and N. S.—Spr.-fall. 
JDSONIA L. Diffüse-spreading tufted or matted shrubs. Leaf- 
— subulate or scale-like. Flowers complete. Corolla bright-yellow. Ovules 
erect. Capsules all alike-—Three eee of eastern North America.—BEACH- 
ER FALSE-HEATHERS. 
Flowers sessile or nearly so: leaves scale-like: ovary glabrous. ^u H. tomentosa. 
Flowers slender- DM leaves subulate : ovary pubescent. 
Ovary po n t all over: one sepal, at least, with a linear- 
subulate 2. H. montana. 
uiis i pubescent at the top: one sepal, at least, with a tooth 
3. H. ericoides. 
1. H. Md Nutt. eod tufted and intrieately branched, matted 
hoary- pubeseent, Pee 1-2 dm. high, the branches stout, ascending: leaves 2 
oval o r elliptic, densely imbricate 
and UR d: sepals obtuse: capsule ovoid, 
o 
glabrous. CH-HEA ) 
the seashore and in pinelands, Coastal Plain 
gland Coast, Nx 
N. C. to N. B.; 
and on lake and river shores, Great Lakes 
Lowland, Ind. to Man.—Spr.-early sum. 
montana Nutt. Bushy, Romo 
villous throughout, iei branches tuft 
5 dm. long: leaves eommonly erect, some- 
= 
long 
densely pubescent: Mrs yellow, 9-11 mm 
