igii.] 



TRELEASE— THE DESERT GROUP XOLIXE.^. 



429 



B 



Southeastern ^Mexico. 



Specimens examined: Yucatan. Near Sisal (ScJwtt. 892, — the 

 type of Dasylirioii [^Habile). Progreso {Goldman, do/, 1901). 



GUATEMALENSis Rose, Contr. U. S. Nat. Herb. 10: 88. /. i. 



1906. 

 Trunk often with slender multiple stems, variously branched. 

 Leaves 25-30 mm. wide, less than i m. long, smooth- 

 edged. Inflorescence short-stalked, broadly ovoid- 

 panicled, decompound with divisions 30 cm. long, 

 rather spreading branches sometimes half as long, 

 and few branchlets 6 cm. long. Perianth segments 

 3 mm. long. Fruit elliptical-obovate. 13-15 X 15-18 mm., at length 

 openly notched at top and base. Seed 5 mm. in diameter, irregularly 

 3-lobed, srhooth. — PL 7. 



Guatemala. The southernmost species of the group. 

 Specimens examined: Guatemala. El Rancho {KeUcrman, 

 4320, 1905, — the type; 33p8, 1906; /Oij, 1907, and /o^g, 1908). 

 Cultivated. Guatemala City {KeUcrman, 6o6g, 1907). 



B. GoLDMANii Rose, Contr. U. S. Xat. Herb. 12: 261. pi. 20. 1909. 



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

 scarcely i m. long, essentially smooth-edged. Inflores- 

 cence nearly sessile, compound-panicled with narrow 

 ascending divisions 15-20 cm. long and few strict 

 branches about half as long. Perianth segments about 

 2 mm. long. Fruit elliptical, very large, 12-15 X 18-20 

 mm. Seed ? 



Southern Alexico. 



Specimens examined: Chiapas. San Vicente {Goldman, 88/, 

 1904, — the type). 



Leaves papillate-grooved as in Xoliiui. rather rough-margined, firm, more or 

 less concave, keeled or plicate, nearly straight, pale or glaucous. Flori- 

 ferous bracts short. Fruit small for the genus, ver\- short-stalked. Trees 

 about ID m. high, greatly swollen at base. Papill,\t^. 



B. STRiCTA Lemaire, 111. Hort. 8. misc. p. 61. 1861. 

 Pinccncctitia glaiica Lemaire, /. c, as synonym. 



