larger flower (perigon 9-10, tube 1-1£, anthers 6 lines long), and 
oblong, strongly cuspidate capsule, about 1 inch long and half as 
wide ; the other form has a shorter ovary, 5-7 lines long, smaller 
flower (perigon 7-8, tube £-1 line long), and rather shorter an¬ 
thers, capsule shorter, 8 lines long and 6 wide, with a short 
abrupt point. Both forms seem to ocur in all the localities men¬ 
tioned, and certainly belong together. I have been particular in 
describing them, because we rarely have occasion to study 
numerous and varying specimens of these plants, but must be 
generally satisfied with poor fragments, so that it is difficult to 
ascertain the amount of variation within the species. 
8. Agave Utahensis, Engelm. in S. Watson's Bot. qpth 
Parall. p. 4.97 : acaulis; foliis crassis glaucis e basi lata attenua¬ 
te in spinam validam infra carinatam supra usque ad apicem 
late exaratam excurrentibus, margine acuieis rectis validis albidis 
dentato ; bracteis scapi elati e basi lata subulatis marcescentibus ; 
floribus (minoribus flavis) pedunculatis binis vel ssepius quater- 
nis, ovario oblongo perianthio subbreviore, tubo late campanulato 
abbreviato lobis oblongis erectis ter quaterve breviore medio sta¬ 
mina limbum paulo excedentia gerente ; capsula oblonga breviter 
cuspidata. 
Southern Utah, about St. George, etc., extending into Arizona, 
Dr. E. Palmer, J. E. Johnson, F. Bischoffi—Leaves 6-12 inches 
long, i-if wide, not contracted above the wider base, very thick 
and rather hard, strongly marked with the impressions of the* 
margins of the adjoining leaves ; terminal spine about 1 inch long, 
pale or white in the specimens before me, with a darker base and 
tip, almost triangular in the cross-section; lateral spiny teeth 
1 £-2 lines long and as wide, white with a darker base. Scape, 
together with the dense spike of 1-2 feet in length, 5-7 feet high ; 
peduncles and pedicels distinct, in fruit often 3 lines long, ulti¬ 
mate ones shorter. Flowers scarcely 1, perigon about \ inch long, 
lobes three times or more the length of the shallow and wide tube, 
which bears the stamens in the middle, not at the base of the 
lobes as many short-tubed Agaves do ; filaments less than f inch 
long, about 2 or 3 lines longer than the lobes ; anthers 5-6 lines 
long; capsule 10-14 lines long, 4-5 wide; seeds 1 £-2 lines wide, 
marked with flat punctate area. 
23456 7 89 10 
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