214 



TRANS. ST. LOUIS ACAD. SCIENCE. 



border of Alabama ; but it is said to grow also in Mississippi and 

 Louisiana. 



N 2iX . flaccida : the contracted panicle is usually shorter than the 

 peduncular part of the scape. 



Var. Icevigata I have now also seen in cultivation, remarkable 

 for the narrow, smooth, flaccid or even prostrate leaves ; the tali 

 (6-9 feet high) scape purplish-brown ; the narrow panicle three 

 times as long as wide, about as long as the peduncular part of the 

 scape ; flowers and young fruit with purplish tinge ; secondary 

 dissepiments of large capsule very incomplete, or almost want- 

 ing ; in the wild plant they are nearly perfect. 



Page 54. T. Whipplei does not occur north of Monterey ; it 

 abounds near San Luis Obispo, whence Dr. W. W. Hays has sent 

 seeds and living plants. 



The following synopsis exhibits at a glance the arrangement of 

 the species and their geographical distribution : 



Yucca, Lin. 

 Sarcoyucca. 

 T. alotfolia, Lin., southeast and south. 

 T. Tucaiana, Eng., south. 

 7". Guatemalensis, Baker, south. 

 T. Trecii liana, Carr., southwest. 

 T. baccata, Torn., southwest. 

 T. Sckottii, Eng., southwest. 



CUstoyucca. 

 T. brevifolia, Eng., southwest. 

 T. gloriosa, Lin., southeast. 



Ch(Knoyucca. 

 T. rupicola, Scheele, southwest. 

 T. atiffusti/olia, Pursh, west and southwest. 

 T. Jilaineniosa, Lin., southeast. 



Hesperoyucca, 

 T. Whipple!, Torn, southwest. 



9- 

 10. 



