1092 CUSCUTACEAE 
FaAMiLY 3. CUSCUTACEAE — Dopper FAMILY 
Herbaceous parasitic vines, with pale foliage. Leaves mere alternate 
scales. Flowers perfect, cymose. Calyx of 4 or 5 distinct or partly 
united sepals. Corolla regular, of 4 or 5 partly united petals, usually 
bearing fringed seales below the sinuses. Androecium of 4 or 5 stamens, 
he fila ments partly adnate to the corolla-tube. Gynoecium ‘of 2 partly 
united carpels, the styles distinct, or partly united:.stigmas capitate. 
Capsule circumseissile or indehiseent.—Only the following genus, and 
about 160 species, widely distributed. 
1. CUSCUTA [Tourn.] L. Annual, slender, yellow or reddish vines twin- 
ing on herbs and shrubs and adhering to the bark by means of suckers. Flow- 
ers white, greenish, or yellowish. The plants arise from the ground, but later 
become wholly parasitic, the stems and branches often matted.—Sum.-fall or all 4 
year S.—DopbERS. LOVE-VINES. STRANGLE-WEEDS. 
Styles distinct. (Subgenus GRAMMICA.) 
Capsule remaining closed, a utricle. 
Flowers Lee by several bracts: sepals nearly or 
uite dis I. GLOMERATAE. 
Flowers n SUUS ided nee oe sepals partly united. II. PLATYCARPAE, 
Gaule: cireumscissile, a py III. UMBELLATAE. 
Styles more or less united. (Sub senis MONOGYNA.) IV. EXALTATAE 
GLOMERATAE 
Bracts subtending the calyx obtuse, with appressed tips. 1. C. compacta. 
Bracts subtending the calyx acute, with spreading tips. 2. C. glomerata. 
II. PLATYCARPAE 
Capsule UE more or less depresse 
Calyx and eorolla smooth. neither fleshy nor papillate. 
rolla persistent at the base of the capsule. 
Cor olla-lobes obtuse; seales reaching the filaments: 
fools pentamerous. 3. C. glandulosu. 
Corolla- aes acute. 
Corolla-lobes triangular; scales with few proc- 
dis at the 3 flowers mostly tetramerous. 4. C. Polygonorum. 
s is lobes ovate; scales with numerous proc- 
: flowers pentamerous. = 5. C. pentagona. 
orolla Der scent at the apex of the capsule: flowers 
ostly tetramerous. 6. C. Cephalanthi. 
corolla with inflexed D. 
Flowers mostly tetramerous: corolla-scales rudimen- 
tary, AEN by toothed wings. 7. C. Coryli. 
mes mostly pentamerous: corolla- scales copiously 
8. C. indecora. 
a id: conic, Eu E shaped. 
lla about 1 long; lobes inflexed at the tip: 
flowers frequently etramerous. 9. C. Harperi. 
core 2- lon lobes not inflexed: flowers pen- 
tamero 
Miu flask- shaped, with a long neck: flowers 4-6 
lon 10. C. rostrata. 
Capsule aa A conic or globose-ovoid: flowers 2-4 mm. 
ng. 11. C. Gronovii. 
UMBELLATA 
Corolla-lobes lanceolate as long as the tube: nnd scales long 
a aud E E the sinuses. 12. C. umbellata. 
Corolla-lobes ovate, shorter than e E corolla-seales short 
nnd pe oad, pm reaching the sinus 13. C. americana. 
EXALTATAE 
Plant with very eoarse tangled stems, lareo o (corolla 
4—5 mm. long) and large capsules, 6-9 mm. lon 14. C. exaltata. 
