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DESCRIPTION OF PLATES. 369 
Piare V. TRICHOPTILIUM INCISUM, (page 361.) 
(AN ENTIRE PLANT OF THE NATURAL SIZE.) 
Involucre and receptacle ; moderately enlarged. 
A flower ; more enlarged. 
The corolla, removed ; equally magnified. 
The same, laid open, and showing the stamens ; more magnified. 
A stamen ; equally magnified. 
Part of the style and its divisions, showing the stigmatic lines; still more magnified. 
Achenium crowned with its pappus ; considerably magnifiéd, 
The five scales of the pappus spread out and magnified, 
One of the scales of the pappus ; more highly magnified, 
. A portion of the same; highly magnified. 
. Longitudinal section of an achenium ; and, 
. Transverse section of the same; both moderately enlarged. 
Prate VI. EREMIASTRUM BELLIOIDES, (page 361.) 
(AN ENTIRE PLANT OF THE NATURAL SIZE.) 
The involucre and receptacle ; enlarged. 
A ray-flower ; more enlarged. 
A disk-flower ; equally magnified. 
Corolla of the same, laid open, showing the stamens. 
A stamen ; considerably magnified. 
The style, with its divisions, showing the stigmatic lines; more magnified. 
An achenium, crowned with its pappus; magnified. 
A portion of the pappus, from the same. 
Pram VII. ASCLEPIAS SUBULATA, (page 362.) B 
(UPPER PART OF THE PLANT, OF THE NATURAL SIZE.) 
One of the hoods of the crown, side view ; magnified. 
The same, with one side folded back to show the horn. 
An anther, front view; considerably enlarged. 
The same, seen from the inside. 
A pair of pollen masses; considerably magnified. 
Prae VIII. CHORIZANTHE FIMBRIATA, (page 364.) 
(AN ENTIRE PLANT OF THE NATURAL SIZE.) 
An involucre and its solitary flower ; magnified. 
The involucre shown separately ; equally magnified. 
The same, laid open. 
Perianth ; equally magnified. 
The perianth, laid open; more magnified. 
One of the segments of the same. 
Ovary and styles; equally magnified. 
47 F 
