an 
OO Page ed Re ee 5 Fe eae Ye ree Ap EO 
112 MISSOURI BOTANICAL GARDEN. 
EXPLANATION OF PLATES ILLUSTRATING THE NORTH 
AMERICAN SPECIES OF EPILOBIUM. 
Plates 1 to 3 were drawn by Miss M. H. Hoke; the re- 
mainder, by Mrs. J. C. Duffey. Except where the con- 
trary is stated, the figures are from herbarium specimens 
selected by the author and drawn under his supervision. 
Figures of seeds and stigmas are from drawings by the 
author. In all but one figure of seeds, the coma is omitted, 
for simplicity. 
Plate 1, H. spicatum, Lam.—1, Portion of plant, re- 
duced one-half; 2, base of stem, showing the separated 
scales of the winter bud from which it developed, natural 
size; 3, longitudinal section of flower, enlarged; 4, cross 
section of ovary, and two ovules, — the coma removed from 
one of them, enlarged; 5, capsule, x 2; 6, portion of 
capsule, showing mode of dehiscence, enlarged; 7, seed, 
x 25. — Figs. 3, 4, and 6, after sketches by Sprague, in 
the Gray Herbarium. 
Plate 2, 2. latifolium, L.—1, Portion of plant, reduced 
one-half; 2, base of stem, with scales and winter buds, 
natural size; 3, seed, x 25. 
Plate 3, #. hirsutum, L.—1, Plant, reduced one-half; 
2, seed, and cross-section of same, x 25. 
Plate 4, #. luteum, Pursh. — 1, Plant, reduced one-half ; 
2, leaf, natural size; 3, capsule, natural size; 4, stigma, 
x12; 5, seed, x 25. 
Plate 5, #. rigidum, Hausskn.—1, Two plants, re- 
duced one-half; 2, leaf, x 2; 3, young capsule, x 2; 4, 
stigma, x 12; 5, immature seed, x 25. 
Plate 6, #. obcordatum, Gray. —1, Plant, natural size; 
2, stigma, x 12; 3, seed, x 25. 
Plate 7, H. suffruticosum, Nutt. —1, Plant, natural 
size; 2, capsule, x 2; 3, stigma, x 25; 4, seed, x 25. 
Plate 8, Z. paniculatum, Nutt. — 1, Plant, reduced one- 
Ws 4 
