LOASE.E. 
1G1 
wards the east end of the Island, but is said to be com- 
mon in the leeward parts. Having seldom met with the 
plant in flower, I have not had an opportunity of testing 
its narcotic property. It is very desirable thafthis should 
be done . — Marigouia is the name bestowed on it by the 
French Colonists. The specific designation was sug- 
gested by the excavated glandular spots on the under sur- 
face of the leaves. 
ORDER LXXXII. LOASE/E. 
Calyx 4-5-partite, persistent. Petals 5, cucul- 
late, epigynous, alternate with the segments of 
the calyx. Stamens go in several rows, distinct 
or polyadelphous : filaments unequal, the outer 
ones frequently sterile. Ovary inferior, 1-celled : 
styles combined into 1 : stigma simple or several. 
Fruit capsular or succulent, 1-celled. Seeds with- 
out an arillus: embryo straight, pointing to the 
hilum : cotyledons small, flat. 
American herbaceous plants, hispid with stinging hairs. 
Leaves opposite or alternate. Peduncles axillary, 1- 
flowered. 
I. Mentzelia. 
Calyx persistent, cylindraceous ; lobes 5, lan- 
ceolate of subulate. Petals 5, inserted on the 
calyx. Stamens several times more numerous 
than the petals : filaments free, usually arranged 
in bundles: anthers ovate, bilocular. Ovary ad- 
nate to the tube of the calyx. Styles 3, coher- 
ing as far as the middle. Capsule turbinato-cyl- 
indrical, crowned with the lobes of the calyx, l- 
celled, 3-valved at the apex. Seeds 3-6-9, in- 
serted on three parietal placentae. 
Named in honor of Christian Mentzel, a Prussian Phy- 
sician. 
Vol. 2. 
L 
