THE HARDY WATER-LILIES lOI 



Opening from 7 to 8 a. m. 



Petals broad, concave; flower cup-shaped, 



N. Marliacea, var chromatella 



Petals narrow, spreading N. odorata, var. 



sulphurea and A^. sulphurea, var. grandifiora 

 Flowers pure white. 



Leaves ovate, small N. tetragona 



Leaves circular. 



Strongly sweet-scented. 



Flowers 2-5 in. across; Ivs. 4-8 in N. odorata 



Flowers 1-3 in. across; Ivs. 3-5 in. N. u., var. minor 

 Flowers 3-6 in. across; Ivs. 8-12 in 



N. o., var. gigantea 

 Odourless or nearly so. 



Petiole marked with longitudinal brown stripes, 



N. tuberosa 

 Flowers very double. N. t., var. Richardsonii 

 Petiole uniformly coloured. 



Sepals rounded to the receptacle. 

 Always sterile: 



Flowers and leaves rising from the water, 



N. Marliacea, var. albida 

 Flowers and leaves floating, 



N. alba, var. candidissima 

 Fertile; petals spreading in all directions, 



N. Gladstoniana 



Flower more cup-shaped N. alba 



Very double N. a., var. plenissima 



Very large N. a., var. maxima 



Sepals joining the receptacle by a sharp angle, 



N. Candida 



