ROSE] — MEXICAN AND CENTRAL AMERICAN PLANTS. 



S9 



Beaucarnea pliabilis I Baker Rose. 



Dasylirion pliabile Baker, Journ. Linn. Soc. 18:240. 1881. 



/;. pliabilis has heretofore only been known from Schott's specimen collected many 

 years ago al Sisal, Yucatan. In 1902 Mr. I'.. A. Goldman collected leaves and 

 photographs of this species al Progreso nol far from Sisal. These indicate a species 

 closel) related to B. gualemalensis, bu1 the leaves are shorter and perfectl) smooth 

 and evidently belong to a quite distinct plant. 



Collected by E. L Goldman al Progreso, Yucatan, February 24 to March 5, L901 

 ■ no. 607, photograph no. 221 1 



Beaucarnea purpusi Rose. Bp. QOV. 



Tree 6 to 8 meters high, somewhat swollen ai base, a little branched, the trunk 

 almost completely clothed by the reflexed and closely appressed old leaves; leaves 

 at first erect, then spreading, and at last reflexed, long-persisting, very pale, 50 to 

 tit) cm. long, 1" to 12 mm. broad, the margin pair and entire. 



Type specimen U. S. National Herbarium n<». 453659, collected by J. N. Rose and 

 Jos. II. Painter near Tehuacan, Puebla, in 1905 (no. 10156 . 



Beaucarnea recurvata Lemaire. [llust. Hortic. 8: Misc. 59. 1861. 



Beaucarnea recurvata was introduced into cultivation from Mexico about 1845, but 

 the station from which it was obtained i- not known. The specimen cited under 

 this name in the Biologia Centrali-Americana belongs to a true Nblina, N. atia- 

 miranoana. 



Beaucarnea stricta Lemaire, [llust. Hortic. 8: Misc. 61. 1861. 



Beaucarnea stricta is a glaucous -leaved species, only known from garden speci- 

 mens. It is of ten confused with Nolina hartwegiana and B. recurvata. Beaucarnea 

 glauca, another garden plant, may or may not belong here. 



DASYLIRION. 



After excluding the species belonging to Nolina and Beaucarnea 



eleven species still remain belonging 

 are not very well known. Below is 

 given a list of them with the descrip- 

 tion of one that is new. 



to Dasvlirion. Some of these 



Dasylirion acrotrichum /an 

 Muench. 3: 228. 1843. 



AM.. Akad. 

 Wats. Proc. Am. 

 Dasylirion flexile C. Koch, End. Sem. Sort. 



Dasylirion berlandieri 

 Acad. 14: 249. 1879. 



Fig. 3.— Fruit of Dasyli i n quadrangulatum. 

 a, Side view: b, cross section showii 

 c, cross section showing und< 

 ovules at base \. ' - ale 2. 



Dasylirion g-laucophyllum Hook. Bot. 

 Mag. 84: pi. 5041. L858. 



Dasylirion graminifolium Zucc. AMi. Aka<l. Muench. 3: 225. 1848. 



Dasylirion long-issimum Lem. [llustr. Hortic. 3: Misc. 91. L856. 



Dasylirion quadrangulatum s. Wats. Proc. Vm. Acad. 14: 250. 1879. Figure 3. 



Dasylirion serratifolium Zucc. Abh. Akad. Muench. 3: 225. 1843. 



Dasylirion texanum Scheele, Linnaea 23: 140. l s "><». 



Dasylirion whecleri S. Wats. Proc. \m. ^cad. 14: 249. 1879. 



« Dasylirion Zucc. Otto & Dirtr. All-. Cartel)/. «i: 258. 1838. 



