134 Trans. Acad. Sci. of St. Louis. 
SYNOPSIS OF GUATEMALAN AGAVES. 
Rather small plants with somewhat fleshy lanceolate to 
obovate leaves and, so far as known, narrowly oblong 
panicles with the flowers densely clustered at the ends 
of their branches.—Indigenous. GuaTEMALENSES. 
Leaves relatively broad. 
pine flat-grooved, with acute edges. 
r 
ery tortuous or twisted, brown. A. tortispina. 
Nearly straight. 
Gray-brown; teeth heavy. A. pachycentra. 
hestnut; teeth slender. A. Hurteri. 
Spine involute-grooved; teeth small, often on fleshy eleva- 
tions. A. Seemanniana. 
Leaves relatively narrow. 
Spine involute-grooved, conical or acicular. 
eeth small. 
Leaves numerous, ascending. A. Thomaseae. 
Leaves few, spreading. A. Deamiana. 
Teeth moderate, easily falling. A. minarum. 
Teeth large, brown. 
Spine long acicular. A. tenwispina. 
Spine heavily conical. A. opacidens. 
Spine nearly flat on the face. A. sicaefolia. 
Spine round-grooved. 
Teeth close together, chestnut. 
Slender-cusped from blue bases. A. Kellermaniana. 
eavily triangular. A, samalana. 
Teeth widely separated, red-brown. A. lagunae. 
Rather large plants with fibrous sword-shaped leaves 
and, so far as known, open panicles with the flowers 
loosely grouped at the ends of their branches.—Cul- 
tivated in hedges or for fiber. 
Spine short-conical.— S1saLANAR, 
ves very glaucous, deeply concave. A. nived. 
Leaves gray-green, nearly fiat, A. sisalana. 
Spine heavy awl-shaped.—TrQqurLaNar. A. Donnell-Smithii. 
Large plants with fleshy lanceolate leaves and open pan- 
icles with the flowers rather loosely grouped at the 
ends of their branches.—Introduced 
Leaves broadly oblanceolate, upceurved at tip.— ATROVIRENTES. 
Spine long-conical, narrowly grooved. A. tecta. 
Leaves elongated lanceolate, recurving.—A MERICANAR. 
8 ed 
A. americana. 
A. picta. 
