Trelease — The Agaveae of Guatemala. 141 



8-10x75 cm.: spine dull brown, quickly graying, gran- 

 ular below, stoutly triquetrous-conical, nearly straight, 

 involutely grooved from above the middle with acute 

 edges, decurrent for once or twice its length, somewhat 

 dorsally intruded into the green tissue, 3-6x50-60 

 mm. : teeth drab, rather dull, 20-50 mm. apart, 5-8 mm. 

 long, nearly straight, heavily triangular, dilated lenti- 

 cularly into more or less elevated prominences of the 

 otherwise nearly straight margin. Inflorescence about 

 5 m. high, the upper half oblong-paniculate: bracts 

 broadly triangular, appressed: pedicels about 10 mm. 

 long. Flowers yellow, 40-45 mm. long : ovary 25-30 mm. 

 long, rather exceeding the perianth, fusiform: tube 

 openly conical, 10 mm. deep: segments 5x12-15 mm., 

 half as long as the ovary: filaments inserted about the 

 middle of the tube, 35 mm. long. Capsules oblong, stip- 

 itate, 20x40-45 mm.: seeds 5x6 mm. Apparently not 

 bulbiferous. 



Specimens examined: Guatemala. Cruz (Trelease, 5, 

 March, 1915 — the type in the herbarium of the Univer- 

 sity of Illinois). 



Agave sicaefolia n. sp. 



Acaulescent, very cespitose. Leaves gray-green rather 

 than glaucous, forming a dense cluster, lanceolate, acute 

 or slightly acuminate, nearly flat to deeply concave, 

 slightly granular on the back above, 7-8x60-75 cm.: 

 spine purplish chestnut fading to gray-brown, rather 

 glossy, granular below, triquetrous, nearly straight, flat- 

 tened or very openly grooved, often with median keel, 

 from near the very sharp end, with acute short-decur- 

 rent margin, somewhat intruded into the green tissue 

 both dorsally and ventrally, 4x30-40 mm.: teeth sim- 

 ilarly colored, somewhat glossy, 15-35 mm. apart, 3-5 

 mm. long, mostly upcurved, the rather slender some- 

 times hooked cusps lenticularly dilated, the rather con- 

 cave intervening margin sometimes with one or more 



