142 Trans. Acad. Sci. of St. Louis. 
minute brown needles. Inflorescence, flowers and fruit 
unknown. 
Specimens examined: Guaremaia. Hillside at El 
Rancho (T’release, 6, April, 1915,—the type in the herba- 
rium of the University of Illinois). 
/ +t: 0 Agave Kellermaniana n. sp. 
Aeaulescent. Leaves very glaucous, elongated-lance- 
olate, slightly acuminate, rather concave, somewhat ml- 
nutely granular on the back above, 8-10100 cm. or 
more: spine purplish chestnut, somewhat glossy, gran- 
ular below, slenderly conical, sometimes slightly fiexu- 
ous, round-grooved from above the middle with rather 
blunt edges, decurrent for once or twice its length, some- 
what dorsally intruded into the green tissue, 4-5 30-35 
mm.: teeth 10-25 mm. apart, 3-5 mm. long, upeurved, 
the rather slender glossy purple-chestnut eusps with ab- 
rupt blue bases either occupying the larger part of fleshy 
prominences or lenticular in the straight margin. In- 
florescence, flowers and fruit unknown. 
Specimens examined: Guatemana. Sides of ravines, 
at 3700 ft., Fiscal (Deam, 6239, June, 1909—the type, at 
the Missouri Botanieal Garden). Without data (Norton, 
1912). 
44 Riiva samalana n. sp. 
Acaulescent, scarcely suckering. Leaves glaucous, s- 
pecially beneath, rather numerous, oblanceolate, sub- 
acuminate, somewhat concave, minutely roughened be- | 
neath and on the margin, finally some 1560 em.: spine 
reddish becoming darker, somewhat glossy, typically 
granular below, slenderly conical or acicular, nearly 
straight, round-grooved from above the middle with 
acute edges, decurrent for something like its own length, 
more or less intruded into the green tissue dorsally, 3-4 
35-55 mm.: teeth chestnut, dull, 5-10 or 20 mm. apart, 
1-3 or 5 mm. long, straight or gently upeurved, trian- 
