363. EPILOBIUM. L | (Willow-herb.) 
OCTANDRIA, MONOGYNIA. 249 
bury,F. L. S. Flower by cultivation nearly 6 inchesin dia- 
meter, and the leaves then become lanceolate. 
An Amefican genus, extending through Peru and Chili 
into Patagonia, with the exception of 2 species at the Cape 
of Good Hope. 
- CLARKIA. Pursh. 
roeneren cleft, tubulous. Corolla of 4 petals, 
unguiculate, cruciately 3-lobed. Stamina 4 im- 
perfect, with roundish anthers. Stigma peta- 
loid, 4-lobed. Capsule 4-celled. 
A biennial or annual and herbaceous plant, with the en- 
tire habit of @nothera, Leaves alternate, narrow; flowers 
alternate, subsessile, purple. 
Specizs. 1. C. pulehella. v.s. Discovered in Northern 
- California by the late governor Lewis, on the banks of two 
of the principal bra of the Columbia. 
562. GAURA. Z. 
Cali: 4-cleft, tubular. Corolla of 4 petals, as- 
cending towards the upper side. Wut quadran- 
lar, 1 fo 4 seeded. 
Habit similar to Gnothera, to the last section of which 
it closely approaches. Leaves alternate, flowers spiked, 
mostly rosaceous, Germ 4 or more seeded; capsule by 
abortion 1-seeded. (Leaves impunctate.) 
Species. 1. G. biennis. 2. angustifolia. 3. * coccinea. 
Perennial; stems simple, decumbent, several from the 
same root; leaves linear-lanceolate, gerne iy denticulate, 
canescent ase ah a ti ae neraieg wile flowered, 
. petals row ish, ly uw a on 
the calix; sti 4-toothed; frase acute at both both extremi- 
ties, séeed XS: On the declivities of bare gravelly 
hills, from the Maha village to the Mandans. About a foot 
high, covered with a short and hoary villous pubescence, 
leaves crowded; re at first reg colour, at length be- 
m t, wering in May. — 
Or bh ges there are 2 other species in Mexico and 
1 in tropical America. : 
Calix 4-cleft, sabolias. Corolla of 4 
Capsule oblong inferior. Seeds comose. 
