lary, solitary, ascending, two to five inches long, pubescent or 

 puberulous. Umbel dense, many-flowered, two to three inches in 

 diameter ; involucral scales somewhat membranous, broadly ovate- 

 rotundate, shortly pointed, glabrous or nearly so, one-third or 

 one-half the length of the flowers. Perianth hypocrateriform, tube 

 dilated and deeply quinque-sulcate at the base around the ovary, 

 straight above, about one inch long, greenish-white, minutely 

 glandular, limb spreading, «' porcelain-white," deeply five-lobed, 

 lobes broadly obovate-rotundate, obtusely bifid. Stamens un- 

 equal included ; filaments apparently adhering more or less to 

 the perianth though easily separable, filiform ; anthers oblong 

 subacute. Ovary oblique glabrous; style filiform, slightly 

 thickened above and laterally stigmatose. Fruit (according to 

 the figure of Messrs. Torrey and Gray) obovoid in circumscrip- 

 tion with five rounded wings. 



Fig. 1. Perianth. 2. Persistent base of perianth surrounding the ovary. 3. 

 1 enanth-tube laid open. 4. Stamens, showing their insertion. 5. Ovary :— 

 2-5, magnified. 



