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PETALOSTEMUM VIOLACEUM. PURPLE- © 
FLOWERED PETALOSTEMON. | 
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JHEHH HHS RHE HE: 
Clafs and Order. 
DiaDELPHIA PENTANDRIA, 
- Generic ‘Charaéler. 
Cor. nulla, ejus loco filamenta . fie ili 
PETALOSTEMUM vidlaceum ; capitulis ovato-oblongis, caly- 
cibus pilofis, braéteis deciduis, foliis fubbijugis linearibus. 
PETALOSTEMUM violaceum ; {pica cylindrica pedunculata, 
braéteis calycem fubzequantibus, bratteolis fpathulatis de- 
~ ciduis, calycibus fericeis, foliis bijugis linearibus. Purjb 
Fi. AmeriStpt. 2, ab he veer Os ) 
PETALOSTEMUM violaceum ; pubens; foliolis linearibus : 
braéteis brevioribus; bratteolis fpathulatis deciduis: petalis 
_ rofaceo-violaceis. Michaux Fl. Bor. Amer. 2. p. 50. t. 37+ 
DALEA violacea. Willa. ‘Sp. Pl. 3. p. 1337- 
/ 
The purple PerarosTeMUM, as an ornamental flower, is by 
no means defpicable, but is more remarkable for its fingular 
ftru€ture : being a diadelphous plant without any proper corol/a, 
having nine united and one detached filament, as is moft ufual in 
the clafs. But the alternate filaments are barren, coloured, and 
expanded at top into a petal-like appendix. The folitary fila- 
ment is longer than the reft, channelled on the upper fide, co- 
loured, and expanded into a boat-fhaped extremity ; which as it 
occupies the place of, fo it feems a fort of attempt towards, the : 
formation of a vexillum. The fertile filaments are longer than 
the others and farther detached than is ulual: the anthers are 
nearly globular, and abound with a bright apes ge Om 
