ENGELMANN — NOTES ON AGAVE. 321 



and curved downwards. The leaf of the wild plant, now before 

 me, is S inches long and 4 wide, terminal spine very stout, 10-n 

 lines long, decurrent about the same distance ; arrangement of 

 marginal teeth quite peculiar, the uppermost ones the largest, 

 ii-22 lines long from a broader base, straight, almost black and 

 very rigid, 6-8 lines apart ; teeth below the upper third smaller 

 and closer set, and below the middle only 2-3 lines apart, less 

 than 1 or only £ line long and strongly curved downwards. 

 Scape 12 feet high, branches of the panicle loosely ramified, 

 branchlets 3-6 inches long, pedicels 1-2 lines long; flowers in 

 small clusters, 3-6 or 8 together, z\ inches long, perigon half as 

 long, divided to the middle ; stamens inserted about § from the 

 base of tube, exsert about | inch above lobes; anthers 10-10? 

 lines long. Capsule 18-22 lines long, 7-8 wide, similar to that 

 of last species but not stipitate ; seeds 2 J lines in diameter, cells 

 of the surface, under the microscope, flat, punctulate. 



I have a flower and a capsule of Agaves differing from any 

 above described, and thus perhaps indicating two other species ; 

 but as the material is too incomplete to characterize them, I only 

 indicate them here for further investigation. 



Agave sp. " Common on mountain-sides in the Wild Rose 

 Pass on the Limpio," West Texas, Chas. Wright, No. 1906 ; 

 flowers only, collected June 11, 1S51, referred by Torrey in Bot. 

 Bound. 213 to A. Americana. Flower not quite 3 inches long, 

 perigon equal to ovary, divided to the middle; stamens inserted 

 about § up the funnel-shaped tube, reaching 14 lines above the 

 lobes; anthers 10 lines long.— Could it belong to the last de- 

 scribed species, which was found 300 miles further south? 



Agave sp. Dragoon Mountains, Southeastern Arizona, Capt. 

 Chas. Bendire, U. S. A. A capsule and seeds only, with the 

 verbal information that the leaves are about 3 feet long and 4 

 inches wide, and the scape nearly 20 feet high. The capsule is 

 ovate-prismatic, 2 inches long, 10 lines wide, strongly cuspidate, 

 at base obtuse; seeds 3* lines in longest diameter, apparently 

 minutely pitted.— It is not probable that this could be a form of 

 A. Americana, as that species has, I believe, always a stipitate 

 capsule and larger seeds with flat, punctulate areae. 



[Jan. 10, 1876.] 



