866 HYPERICACEAE 
Famity 3. BELATINACEBAE —WarreR-woRgT FAMILY 
Herbs or partly woody plants. Leaves opposite. Flowers perfect. 
Calyx. of 2.5 imbricate sepals. Corolla = 2-5 petals. Androecium of 
2-5, or sometimes 10, stamens. Gynoecium of 2—5 earpels. Fruit a cap- 
sule.— Two genera and 30 species, widely dist ributed. 
1. ELATINE L. Wholly succulent plants. Leaf-blades commonly 
entire. Sepals ribless. Ovary -eelled: styles 2—4. Capsule membranous, 
2—4-celled.—A bout 10 species, natives of 
warm regions. | 
1. E. americana (Pursh) Arn. Stem 1-5 
em. long: leaf-blades cuneate- shove to 
elliptic, 1-5 mm. long: E E e 
sepals 2, obtuse: petals 2: stam ; cap- 
sule eed about 1 mm. in dia RA 
-PURSLANE.) Pond 
and ee streams, various provinces, Tenn. to 
Tex., Minn, Ont, and N. C—Sum.—tThe 
petals may Sometimes be pink-tinge ed. The. 
plants, creeping on mud, dr diminu- 
tive eed: aad pimpernel 
Famitry 4. TAMARICACEAE — TAmARISKkK FAMILY 
hrubs or trees, or partially dde. plan Leaves oo 
iran. often seale-like. Flowers mainly o sometimes in pro- 
fuse panicles. Calyx s : or 4 or 6,s Eds Corolla of 5, or 4 or 6, Be etals. 
Androecium of 5 or many stamens. Gynoecium of united carpels. 
Ovary M d Fruit ; a capsule—Four genera and 90 species, of Africa 
and Eur 
1. TAMARIX L. Irregularly branching evergreen shrubs. or trees. 
Leaves scale-like, clasping or sheathing. Flowers borne in plume-like panicles. 
Capsule many-seeded. 
. gallica L. Small tree or shrub, with 
we ak branches, the branchlets clothed with 
the imbricate leaves: panicles with numerous 
spikes: sepals about 0.5 mm. long: petals 
white or ire capsule about 1 mm. long 
—(TAMARISK.) — Roadsides, lag ag 
and ewer various prov , Fla. to 
Tex., Ark., S. C.— 
Pa" 
oe sa. 
SROrren o 
to eet) 
a eo 
Betty 
at. o u.— 
i: —'Spr-sum — This species is widely cul- 
tivated and is naturalized in the Coastal 
Plain 2 ne oa nd appears 
in several forms, varying with green or glau- 
cous foliage, pue Or Buen branchlets and 
long or short racemes. 
Famity 5. HYPERICACEAE — Sr. JOHN’S-WORT FAMILY 
Shrubs or herbs. Leaves opposite: blades mostly punctate, entire or 
early so, sometimes seale-like. Flowers perfect. Calyx of 4 or ə, S 
fice: cal sepals. Corolla of 4 or 5 yellow, pink, or Duc uen 
