144 THE FLORA. 
Fig. 361. Bulbous Crowfoot; 2. a petal, showing the honey-scale at base; 3, a single ovary 
4, section of it, showing the ovule. 
Fig. 365. Wild Columbine; 6, one of the hollow petals attached to the receptacle with the 
stamens and styles; 7, a ripe follicle; 8, a seed; 9, section of it, showing the embryo. 
fig. 370. Plan of the flower. 
Analysis of the Genera. 
§ Sepals 4, valvate in the bud. Achenia tailed....a 
§ Sepals imbricate in the bud....2 
2 Ovaries 1-seeded, achenia in fruit....8 
2 Ovaries with 2 or more seeds....4 
8 Corolla 0, or undistinguishable from the colored calyx....5 
8 Corolla and calyx distinct either in color or form....4 
4 Sepals as permanent as the stamens. Fruit dry....6 
4 Sepals falling off sooner than the stamens....k 
4 Sepals persistent with the fruit. Petals very large.,..m 
5 Sepals persistent with the stamens... .b 
5 Sepals caducous (falling) sooner than tho stamens....¢ 
