AGAVES OF THE UNITED STATES. 99 
Plate 37. A. applanata Parryi.—1, Leaf, X 4; 2, branch of inflores- 
cence, X 1; 3, flower with perianth split open, X 1; 4, anther, X 1; 5, 
capsule, X 2. All from Engelmann’s type specimens of A. Parryi, col- 
lected by Dr. Rothrock, at Rocky Cafion, Arizona. 
Plate 38. A. applanata Parryi.— From photograph taken by author near 
Copper Flats, New Mexico. Opuntia arborescens Engelm. is seen at the 
left. 
Plate 39. A. applanata Parryi.—1, Outer side of leaf of medium sized 
plant, X 4; 2, end-spine and margin from face of leaf; 3, flower, show- 
ing insertion of stamens, X 1; 4, portion of fruiting branch, X 4; 5, 
capsule, X1. Leaf from plant sent to Garden from Pinos Altos Mts. ; 
flowers and fruit from Copper Flats, New Mexico. All collected by 
author. 
Plate 40. A. applanata Huachucensis.— From photograph taken by 
Dr. T. E. Wilcox, U. S. A., in Huachuca Mts. 
Plate 41. A. applanata Huachucensis. — Habit sketch of young plant 
sent by Dr. T. E. Wilcox, U. S. A., from Fort Huachuca. 
Plate 42. A. applanata Lem.—From photograph of plant blooming at 
the Garden, June, 1879. 
Plate 43. A. applanata Lem.— From specimens in Engelmann Her- 
barium, of plant blooming in the Garden, June, 1879. 1, Leaf dried with- 
out much pressure, therefore wrinkled, < 4; 2, 3, 4, portions of bracts, 
< 4; 5, flower from within, < 1; 6, capsule, X 1; 7, seed, X 2; 8, portion 
of surface of seed, much magnified. 
Plate 44. A. Shawii Engelm.—From Dr. Engelmann’s Collected Writ- 
ings, page 315. 
Plate 45. A. Shawii Engelm.— 1, From photograph taken by Parker 
& Parker, San Diego, borrowed from Gray Herbarium; 2, from photo- 
graph of young plant at Missouri Botanical Garden, in 1887. 
Plate 46. .A. Shawit Engelm.—1, Leaf of plant at the Garden, X 4; 2, 
bract of inflorescence, from Engelmann herbarium, X 4; 3, capsule, X 1. 
Plate 47. A. Shawii Engelm. — From plant blooming at the Garden, 
Feb., 1877. Plate taken from Engelm. Collected Writings, 319. 1, 
Diagram of flower; 2, outer view of top of flower-bud; 3, inner view of 
same; 4, an opening bud; 5, section of same; 6, flower fully open; 7, 
flower on third day; 8, flower on fifth day; 9, stigma closed, 4; 10, 
stigma expanded, < 4; 11, pollen grains, 100. 
Plate 48. A. Palmeri Engelm. — From photograph taken by Dr. T. 
E. Wilcox, U. S. A., near Fort Huachuca, Arizona. 
Plate 49. A. Palmert Engelm.— From photograph taken by Dr. Tre- 
lease, of plant sent to the Garden by Mrs. Angus Campbell, from Mule 
Springs, New Mexico. — The repand form. 
Plate 50. A. Palmeri Engelm. —1, Sections from apex, middle and 
base of leaf of plant collected by author at Lone Mountain, New Mexico, 
1; 2, sections from apex, middle and base of leaf of plant sent by 
Mrs. Angus Campbell from Mule Springs, New Mexico, X 1. 
Plate 51. A. Palmeri Engelm.—1, Mature leaf showing margin 
extending to base, X 4; 2, leaf of young plant, 4; 3, apex of same 
