resemble tl 

 tion name 



le wings of butterflie 

 Mariposa. 



Upper 

 buds of 

 and the 

 OTitlined. 



PiiGHT-HAND Fig. — a. Flower 

 of Sphacele calycina. 6. Same 

 with corolla cut to show sta- 

 mens, pistil, and hairy ring 

 inside, e. Fruit (4 globular 

 alienes) of the same, lying in 

 the bottom of t'-e caljTC. c. 

 Flower and buds, showing in- 

 florescfnce of Trichosterua 

 lanceolatum. (Z. Eipe fruit of 

 the same (4 triangular akenes 

 iu the persistent calyx). 



Left-hand Fig. — Verbena 

 hastata (Fpikes and bracts). 

 a. Ripe fruit removed fmna 

 the calyx (natural size and 

 magnified, . 



p. 117. The subglobose 

 and nodding flowers place 

 it in the first division of 

 § 1, Encahjchortus. Ourjilant is the white species. The 

 yellow species has larger flowers. The stiffly erect, open 

 flowers of § 2 of this genus have a markedly difierent ap- 

 pearance from the species here figured; yet their struc- 

 ture is similar. The spots upon the petals cause them to 

 5; hence the common name Butterfly Tulip, and the sec- 



