AGAVES OF THE UNITED STATES. 87 
broad, 4 to 5cm. from base of style to tips of lobes, which 
are a little longer than the tube; filaments inserted a little 
above the middle of tube and much protruded; anthers 27 
mm. long; style at length 11 cm. or more; capsule sessile, 
cuspidate, 6 to 7 cm. long, slender; seeds 7 to 8 mm. in 
longest diameter; flowers filled to the brim with a whitish, 
slightly nauseating nectar.—Trans. St. Louis Acad. iii. 314 
and 579, Collected Writings, 311, 316. (Plates 44 and 47 
are taken from Engelmann’s illustration of the plant which 
bloomed at the Garden).— Terr. Monogr. 49; Baker, 
Amaryllideae, 172.— On mesas near coast in Southwestern 
California, as far north as Point Loma and extending 
southwards in Lower California. Abundant in vicinity of 
Western Initial Boundary Monument.— Plates 44 to 47. 
Specimens examined:— From Dr. Parry; Dr. Palmer, 
1875, San Diego; G. R. Hitchcock, Nov., 1875 ; Missouri 
Botanical Garden, flowers, Feb., 1877; C. R. Orcutt, 
Lower California, April, 1886; G. W. Drown, San Diego, 
July, 1895; T. S. Brandegee, Lower California, April, 
1892. 
= =Leaves relatively narrow, often long; acaulescent. New Mexico 
and Arizona. 
A. PatMErI Engelm.— Leaves numerous, ascending and 
spreading, deep green, usually concave on upper side, more 
or less glaucous, sometimes crenate, 20 to 150 cm. long, 
5 to 12 cm. wide, oblanceolate, tapering ; end-spine slender, 
brown, channeled, 20 to 85 mm. long; horny margin 
more or less decurrent; prickles rather close set, variable 
in size, large ones often alternating with smaller, flexuous 
or recurved; scape 25 to 36 dm. or even 65 dm. high, and 
may be as much as 15 cm. in diameter at base, clothed with 
short, broad bracts; panicle long, open; flowers greenish 
or yellowish-white, sometimes yellow, 40 to 55 mm. long; 
segments 12 to 15 mm. long, shorter than the tube, the 
exterior ones hooded and thickened at the apex, interior ones 
broader ; filaments long, inserted above or below the middle 
