INTRODUCTION TO BOTANY. 
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6. Colour . 
Red, Corolla rubra . Rosa Damascena, Dianthus Caryo- 
phyllus ruber. 
Reddish violet, rubro-violacea. Lythrum spicatum, Ce- 
losia cristata. 
Violet, violacea. Aconitum Napellus, Campanula Car- 
path ica. 
Bluish-violet, cceruleo-violacea. Convolvulus tricolor, 
Cyanus vulgaris, Cineraria amelloides. 
Blue, ccerulea. Pneumonanthe vulgaris, Delphinium 
grand ifiorum. 
Bluish-green, cceruleo-viridis. 
Green, viridis. 
Greenish-yellow, viridi-lulca. Hedera communis, Acer 
xnajus, Silene parviflora. 
Yellow, lutea. Ranunculus longifolius. 
Yellowish-orange, luteo-aurantiaca. Calendula officinalis. 
Orange, aurantiaca. Tropseolum majus. 
Reddish-orange, rubro-aurantiaca. Salvia coccinea, Pa- 
paver erraticum. 
IT White, alba . Parnassia palustris. 
7. Duration . 
Persisting, withering, Corolla persistens , marcescem . 
Lasting after the fecundation of the ovules, but in a wi- 
thered state. Trientalis Europsea, Erica, Campanula, 
Corrigiola, Trifolium procumbens, Cucumis. 
Passing away, decidua , tr ansi tor ia. Falling soon after 
the fecundation of the ovules. The generality of flowers. 
Fugacious, fugax, caduca. Falling off* as soon as the 
flower is completely open, or even before. Actaea, Thalic- 
trum, Chelidonium corniculatum, Glaucium violaceum, 
Cerastites macrocephala, Peplis Portula. 
Petals. 
Petala. 
divided. 
The several pieces into which the corolla is 
1. Position. 
Opposite, Petala oppositiva , calyci opposita. Placed be- 
fore the divisions of the calyx. Berberis, Epimedium. 
Interposed, alternate, interpositiva , calyci alterna. Al- 
ternating with the divisions of the calyx. Cruciferae, Rosa, 
and most plants. 
