Trelease—The Agaveae of Guatemala. 151 
EXPLANATION OF ILLUSTRATIONS. 
Plate VI—Agave tortispina. Above, the type at Cruz, Guatemala, 
with a small planted specimen of sisalana in the backgroun 1/7. 
Below, spines and margin from the ins (Trelease, 1), natural sides 
Plate VII.— Agave pachycentra. Above, the type at Cruz, Guatemala, 
sh vias Below, spines and margin from the type ( Trelease, 2), natural 
Pak VIII.—Agave Hurteri. The type plant and two other flower- 
ing specimens, in the Samalaé valley at Zunil, Guatemala, 1/50. 
Plate IX.—Agave Hurteri. Above, a panicle branch, showing the 
congested flowers characteristic of the Guatemalenses, 1/3. elow, 
split and entire flowers, natural size. Both from the type (Trelease, 3). 
Plate X.—Agave Hurteri. Spines, leat-margin, capsules and seeds, 
from the type (Trelease, 3), natural s 
Plate XI.—Agave Seemanniana. Apex, . margin and additional spines 
of the Guatemalan plant taken for this species (Deam, 6154), natural 
Plate XII.—Agave Thomasae. Above, the type plant, at the Hotel 
Thomas, Quezaltenango, Guatemala—with a young plant of A. ameri- 
cana marginata in the foreground, X1/15. Below, spine and prickles 
of the type (Trelease, 19), natural size. : 
Plate XIII—Agave Deamiana. Above, representative plant, at Fis- 
cal, Guatemala (Deam, photograph 6199), X1/15. Below, apex and mar- 
gin of the type (Deam, 6154 a), natural size. 
Plate XIV.—Agave minarum. Type sheet, reduced; and flowers of the - 
type (Kellerman, 5129), natural size. 
Plate XV.— Agave tenuispina. Type sheet, reduced; and spines and 
leaf-margin of the type (Trelease, ie natural size 
Plate XVI.—Agave opacidens ve, spines anti leaf-margin. e- 
low, dried flowers, capsules and ee Both from the type (Trelease, 
5), natural size. 
Plate XVII.—Agave sicaefolia. Above, the type clump at El Rancho, 
Guatemala, sgh spines and leaf-margin from the type (Tréiease, 
6), natural s 
Plate XVIII Ren Kellermaniana. Type sheet, sia and 
Spine and leaf-margin of the type (Deam, 6239), natural s 
Plate XIX.—Agave samalana. Above, the ‘type group et plants, 
X1/100. Below, a eae, viii 1/20. Between Zunil and Sta. 
Maria, in the Samal4 valley, Guatem 
Plate XX.—Agave samalana. ee ve, spines and leaf-margin, from 
. the type (release, 7). Below, shriveled flowers, capsules and seeds, 
from the type (Trelease, 9). Both natural size. 
Plate XXI—aAgave lagunae. Above, the type plant on a gravelly 
Slope above Amatitlan, Guatemala, X1/10. Below, spines and _ leaf- 
Margin from the type (Trelease, 10). Both natural size. 
