152 Trans. Acad. Sct. of St. Lous. 
Plate XXII.—Agave nivea. Above, type plants in a hedgerow at El 
Rancho, Guatemala, 1/30. Below, spines and leaf-margins from the 
type (Trelease, 11), natural size. 
Plate XXIII.—Agave Donnell-Smithii. Plant in a hedge at Escu- 
ala. 
ate XXIV.—Agave Donnell-Smithii. Above leaf arming from the 
type (Smith, 2085). Below, spines and portion of leaf from the plant 
pictured in pl. 23 (Trelease, 15). Both natural size 
Plate XXV.—Agave Donnell-Smithii. Fragment of a panicle branch 
from the type (Smith, ae natural size 
Plate XXVI.— Agave tec Type group , of plants in a hedgerow at 
Quezaltenango, Guatem ee ae upper, X1/60; the lower, 1/30 
Plate XXVII.—Agave tecta. Spines, leaf-margins, bud, and imper- 
fectly developed _ from the type (Trelease, 17—shown above in 
pl. =i natural siz 
Plate XXVIII aes longaeva. A representative group of trees 
in as Mexican state of Oaxaca. Photographed by Dr. C. A. Purpus. 
late XXIX.—Furcraea quicheensis. Flowers, and portion of leaf, of 
the type (Cook, n. b. 421), natural size 
Plate XXX.—Furcraea samalana. x flowering ee in the vicinity 
of Stoemgath neat Guatemala. Photographed by Mr. G. Hurter. 
e XXXI.—Furcraea samalana. Leaf-tips ais margins, from the 
— scence 20), and bulbils, from a plant below Sta. Maria, Gua- 
temala (Trelease, 29), natural size. 
Plate XXXII.—Furcraea guatemalensis. The type plant, in a hedge- 
row near Guarda spe Guatemala. 
LATE XXXIII. Furcraea guatemalensis. Above, plant growing on - 
a steep ee ae the upcurving leaves, Guatemala City. Be- 
low, leaf-tips Pp 
Plate rhein —Furcraea guatemalensis. Capsules, seeds and _ bul- 
bils, natural size. we Guatema 
Plate XXXV.—Furcraea melanodonta. Above, ue type group, at 
Cruz, Pasa = leaf-tips and margin, from the type (Tre- 
lease, 26), natur; 
The University ty pica June 2, 1915. 
Issued July 15, 1915, 
