Explanation of Plates. 
Plate I. — Senecio calcadensis Ramas, sp. nov. 
I. Part of plant (Natural size). 
II. Ray Flower. 
III. A very young disk- flower. 
IV. Corolla of a disk- flower laid open. 
V. Anther, with a part of the filament. 
VI. Achene with style. 
VII. Achene with Pappus. 
VIII. Achene and seed. 
Plate II. — Teucrittm sp. aff. T. tomentostjm Heyne. 
I. Part of plant (Natural size.) 
II. Calyx, laid open, showing nutlets. 
III. Corolla, with stamens laid open. 
IV. Stamens. 
V. Ovary and style. 
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