Trelease — The Agaveae of Guatemala. 143 



gular, rather lenticularly widened into the nearly- 

 straight denticulate margin. Inflorescence 3-4 m. high, 

 the upper half narrowly paniculate with extremely short 

 branches. Flowers (?). Capsules oblong, 2x5-6 cm., 

 campanulately dehiscent, reticulate: seeds 5x7 mm. 



Specimens examined: Guatemala. Mountainsides 

 along the Samala River about Esperanza, between Sta. 

 Maria and Zunil (Trelease, 7, 9, April 10, 1915 — the 

 types in the herbarium of the University of Illinois; 8, 

 April 4, 1915). 



Agave lagunae n. sp. 



Acaulescent, scarcely suckering. Leaves very glau- 

 cous, spreading, lanceolate, acute, moderately concave, 

 more or less minutely granular on the back and margin, 

 8-10x30-40 cm.: spine garnet, glossy, granular below, 

 conical, often slightly flexuous, round-grooved from 

 near the very sharp tip with acute shortly decurrent 

 edges, somewhat dorsally intruded into the green tissue, 

 3-5x20-30 mm.: teeth similarly colored, glossy, 20-40 

 mm. apart, 3-5 or 6 mm. long, mostly upcurved above 

 and partly recurved below, the rather slender mostly 

 hooked cusps lenticularly widened into the margin or 

 on the tops of fleshy prominences between which the 

 margin is nearly straight. Inflorescence, flowers and 

 fruit unknown. 



Specimens examined : Guatemala. Above Amatitlan, 

 near the lake (Trelease, 10, April, 1915 — the type, in the 

 herbarium of the University of Illinois). Palin to Es- 

 cuintla (Be Ram, 1908; Kradolfer, 1908). 



On gravel, talus and cliffs, in the region between Ama- 

 titlan and Palin on the flanks of the Volcan de Agua, on 

 the Pacific slope. 



Agave nivea n. sp. 



Acaulescent, suckering. Leaves very glaucous, some- 

 what transversely green-banded, narrowly lanceolate, 



