94 MISSOURI BOTANICAL GARDEN. 



on the peninsula of Yucatan having given opportunity for 

 the differentiation of the marked variety named after that 

 country. 



11. Fruit with papery core and white or yellow flesh. 

 2. Leaves very large and thin, minutely denticulate. 



Y. ELEPHANTIPES Regel, Gartenflora. 8: 35. (Feb. 1859). 

 Y. Guatemalensis Baker, Ref. Bot. 5. pi. 313. (1872). Kew Bull. 



1892 : 7. Journ. Linn. Soc. Bot. 18 : 222. Engelmann, Trans. 



Acad. St. Louis. 3:38. Trelease, Kept. Mo. Bot. Card. 3:162. 



4:184. pi. 1,2, 19. 5 : 165. Gard. Chron. iii. 18 : 519, 523. /. 



91-3. 



Y. Lenneana Baker, Kew Bull. 1892 : 7. 

 ? r. aloifolia Regel, I. c. 34. 

 Y. Mooreana Hort. 

 r. Ghiesbreghtii Hort. 

 Y. Roezlii Hort. 



Yucca ? Schlechtendal, Linnaea. 17 : 270. 

 Dracaena Lenneana Hort. 

 D. Lennei Hort. 

 D. Ehrenbergii Hort. 

 D. Fintelmanni Hort. 

 D. yuccoides Hort. 



Usually with several trunks from a swollen base similar to that of No- 

 Una, rough barked in age. At length a large tree 8 or 10 m. high, com- 

 pactly branched above. Leaves rigidly spreading, clear green, glossy, 

 plane or a little plicate, with soft green tip, .5 to 1 m. long, 50 to 75 mm. 

 wide, scabrid-margined and sometimes a little roughened on the dorsal 

 ridges. Inflorescence panicled close to the leaves, glabrous. Flowers 

 white or creamy: style short, oblong. Fruit oblong-ovoid: seeds nearly 

 circular, 8 to 10 mm. in diameter. Plates 51. 82, f. 1. 84, f. 7. 



Central America, where it is universally cultivated, flower- 

 ing from February to April, and common elsewhere in gar- 

 dens; but the exact place of its nativity remains to be 

 discovered. 



According to Mr. Baker, Y. Mooreana is a garden name 

 for a small-flowered form, and Y. Ghiesbreghtii, for one 

 with more rigid and scabrous leaves. From Koch's state- 

 ment,* this species appears to have been cultivated in 



* Belg. Hort. 1862:110. 



