428 TRELEASE— THE DESERT GROUP XOLIXEiE. [April 21, 



Trunk openly slender-branched above. Leaves 15-20 mm. wide, 

 1.5-2 m. long. Inflorescence nearly sessile, broadly ovoid-panicled, 

 decompound with divisions 30 cm. long, lower branches nearly half 

 as long and branchlets 5 cm. long. Perianth segments 3 mm. long. 

 Fruit ? 



Southeastern Mexico. Noted by Roezl at Paso del Macho and 

 by Karsten at Sta. Alaria, in the State of Vera Cruz. — The type of 

 the genus. — Two garden varieties, 'uitcnncdia and rubra, are noted 

 by Baker, Journ. Linn. Soc, Bot. 18: 234. 1880. 



Specimens examined : Cultivated. Palermo Botanical Garden 

 {Trcleasc, 1905). Missouri Botanical Garden. 



B. iNERMis Rose, Contr. U. S. Nat. Herb. 10: 88. /. 2. 1906. 



Dasylirion iiicrnic Watson, Proc. Amer. Acad. 26: 157. 1891. 



Trunk rather closely few-branched at top. Leaves 12-15 mm. 

 wide, about i m. long. Inflorescence long-stalked, 

 narrowly pyramidal-panicled, somewhat decompound 

 with divisions 30 cm. long, slender lower branches half 

 as long and few branchlets 3-4 cm. long. Perianth 

 segments scarcely 2 mm. long. Fruit elongated- 

 elliptical, 10 X 14 mm. Seed (immature) 2X3 mm. 



East-central Mexico. 



Specimens examined: San Luis Potosi. Las Palmas (Priiigle, 

 3108, 1890, — the type of Dasylirion incrnic). San Dieguito 

 (Palmer, 644, 1905). Vera Cruz. Zacuapam {IPurpiis, 4432, 

 1907). East of Huatusco (?EiidIich. 1162, 1906). Carrizal 

 (?Go}d)ua)i, yoS, 1901). — The incomplete Vera Cruz material per- 

 haps belongs to the preceding, though short-leaved. 



B. pliahilis Rose, Contr. LI. S. Nat. Herb. 10: 89. 1906. 



Dasylirion pliabilc Baker, Journ. Linn. Soc, Bot. 18: 240. 1880. 

 Trunk openly slender-branched at top. Leaves 15 mm. wide, 

 less than i m. long. Inflorescence compound-panicled 

 with broad divisions 30 cm. long and few rather 

 short spreading branches. Perianth segments 3 mm. 

 long. Fruit somewhat ol>ovately round-elliptical. 1 1- 

 12 X 13-15 mm. Seed 3X4 mm., irregularly 3- 

 lobed, transversely wrinkled. — PI. 10. 



