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3. HE. eprocera Engelm. Glands of the in- 
volucre crescent-shaped, without colored mar- 
gin; cauline leaves scattered, those of the 
branchlets opposite.— ©. Common. Summer. 
4. E. tatHyris L. Glands of the involucre 
crescent-shaped, without colored margin; 
leaves all opposite.—©@. Common. Sum- 
mer. 
Poisonous plant introduced from Europe 
and found everywhere. The seeds contain an 
oil analogous to that of croton. This plant 
is said to drive away or kill rats, as also the 
castor-oil plant. Ricinus communis. 
OrpEeR 2. MALVALES. Flowers regular. 
Calyx free, 5-parted, valvate in sstivation. 
Corolla 5-parted, contorted in xstivation. Sta- 
mens often monadelphous. Carpidia several, 
free, or connate with the central axis into an 
ow -celled ovary. Leaves alternate, stipulate. 
Family 1. MALVACEZ, 
Claws of petals united with each other, and 
with the column of o, monadelphous stamens. 
Anthers reniform, 1-celled. 
1, Lavatera L. Tree Matiow. 
Involucre 3-6-cleft. Ovaries 0, verticil- 
late; l-ovulate. Style 1, springing from the 
central axis; stigmas o, filiform. Fruit a 
schizocarp; seeds ascending. 
