134 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



mm. long, the marcescent perianth segments about equaling the tube. "Araole de 

 Castilla." 



123. Agave yuccaefolia DC. in Red. Liliac. G. pi. 328, 329. 1812. 



Region ?; type cultivated in Europe; said to be from Real del Monte, 

 Hidalgo. 



Trunk short ; leaves glaucous, rather soft, recurved, 2.5 cm. wide. 60 cm. 

 long, long-tapering, with minute slender spine, the margin minutely denticulate; 

 inflorescence 3 meters tall ; flowers 35 mm. long, the perianth segments almost 

 distinct. 



124. Agave eduardi Trel., sp. nov. 



Habit ? ; leaves glaucous, 6 cm. wide, 100 cm. long, long-attenuate, with slen- 

 der brown spine about 1 mm. wide and 10 mm. long, and entire margin ; scape 

 covered by long narrow bracts ; pedicels connate into a peduncle some 15 mm. 

 long; flowers yellow, 40 mm. long; ovary flask-shaped, 20 mm. long, the tube 

 narrow, about one-third as long as the segments, the filaments inserted in its 

 throat; capsules scarcely glaucous, 8 mm. broad, 20 mm. long. 



Durango ; type, in the herbarium of the Missouri Botanical Garden, from 

 San Ramon, Palmer 135, in 1906. 



125. Agave houghii Hort. 



A similar, if separable, plant, of the barranca of the Rfo Blanco, near 

 Guadalajara, Jalisco, with stronger spine and smooth margin. 



126. Agave attenuata Salm-Dyck, Hort. Dyck. 7, 303. 1834. 



Agave glaticescens Hook, in Curtis's Bot. Mag. III. 18: pi. 53,33. 1862. 



Hidalgo; type cultivated in Europe (from about Real del Monte ?). 



Trunk 1 to 1.5 meters tall, sometimes prostrate ; leaves 15 to 20 cm. wide, 60 

 to 100 cm. long, glaucous, without either spine or prickles ; spike 1.5 to 3 meters 

 tall, often recurving, sometimes very bulbiferous in age. 



127. Agave ellemeetiana Jacobi, Hamb. Gart. Zeit. 21 : 457. 18G4. 

 Veracruz ?; type cultivated in Europe (from about Jalapa ?). 



Nearly acaulescent; leaves 15 cm. wide and 60 cm. long or more, glaucous, 

 without either spine or prickles ; spike 1.5 to 3 meters tall, straight. 



128. Agave pruinosa Lem. in Jacobi, Hamb. Gart. Zeit. 21: 449. 1864. 

 Agave dieban/ana Jacobi, Abb. Schles. Ges. Vaterl. Cult. 1869: 164. 1869. 

 Agave kellockii Jacobi, Abb. Schles. Ges. Vaterl. Cult. 1869: 165. 1869. 

 Michoacan ?; cultivated in Europe; the Volcan Jorullo is given as the source 



of A. debaryana. 



Nearly acaulescent ; very similar to the preceding, but the leaves with close- 

 set minute denticles. 



129. Agave vilmoriniana Berger, Repert. Nov. Sp. Fedde 12: 503. 1913. 

 .Jalisco ? ; cultivated in Europe, introduced by Diguet. 



Leaves green or bluish or glaucous, softly fleshy, narrowly linear-lanceolate, 

 acuminate, with slender, subulate, shortly decurrent spine 3 to 4 mm. long, the 

 margin without teeth. 



130. Agave pedunculifera Trel., sp. nov. 



Habit ?; leaves 12 to 15 cm. wide. 65 cm. long, thin, glaucous, oblanceolate, 

 acuminate, with dull red-brown needle-shaped spine 2 mm. wide and 15 nun. 

 long, the margin with miniite denticles about 2 mm. apart; inflorescence .small, 

 the pedicels aggregated on short slender forking peduncles 15 to 20 mm. long; 

 capsules fusiform, 5 to 8 mm. broad, 20 mm. long; seeds dull, very small, 2 mm. 

 wide, 2.5 mm. long. 



Sinaloa; type, in the U. S. National Herbarium, fi-om Colomas, Rose 1713. 



