72 PROCEEDINGS OF THE AMERICAN ACADEMY. 
duplicate, at least in the dried state, glabrous on both surfaces, rather 
prominently and numerously nerved: scape 5 to 6 dm. high, few- 
branched above, terete, glabrous, bearing about 4 bracts: pedicels 1 cm. 
or less in length, jointed below the middle: flowers yellow: perianth 
about 12 mm. long; divisions narrowly oblong, 3-nerved; mature fruit 
not seen.— Mexico. State of Oaxaca: Sierra de San Felipe, altitude 
1830 m., 6 August, 1894, C. G. Pringle, no. 5757 (hb. Gr.). 
Mr. Pringle’s plant above cited was in the Gray Herbarium referred 
by the writer to Anthericum Humboldtit, Hemsley (Phalangium cilia- 
tum, HBK., Nov. Gen. & Sp. i. 276, & vii. t. 676), but that species is 
a native of South America, first collected near Caracas, Venezuela, and 
has straight leaves 10 to 13 cm. long, 6 to 7 mm. broad, and is said to 
have white flowers. . 
Anthericum durangense. Roots tuberous, fascicled: leaves basal, 
lanceolate, 1.5 to 2.5 dm. long, 1.5 to 2 cm. broad, acuminate, acute, 
ciliate, dark green and glabrous on both surfaces: scape 4 to 5 dm. high, 
simple or branched, glabrous, or slightly hirtellous, usually unibracteate : 
floral bracts ovate, mostly acuminate, hyaline, nerved, greenish-white : 
pedicels jointed: perianth yellow, or yellowish-white in the dried state ; 
divisions at the period of anthesis about 1.5 cm. long, 3-nerved. — 
Mexico. State of Durango: near El Salta, altitude 2440 to 2650 m., 
12 July, 1898, #. W. Nelson, no. 4544 (hb. U. S. Nat. Mus., and 
hb. Gr.). 
Var. trachycaulum. Leaves in outline and size like the type, 
yellowish-green, ciliolate-scabrellous on the margins: scape hirtellous 
even to the flowers: perianth somewhat smaller than in the species 
proper, about 1 cm. in length: capsule 1 cm. long, glabrous. — MEXICO. 
State of Durango: Ramos to Inde, 11-14 August, 1898, Z. W. Nelson, 
no. 4706 (hb. U. S. Nat. Mus., and hb. Gr.). 
Anthericum Nelsonii. Roots tuberous, fascicled: leaves basal, 
narrowly lanceolate, 4 to 9 em. long, 3 to 7 mm. broad, glabrous on 
both surfaces, minutely scabrellous on the subcartilaginous margins: 
scape 1 to 2 dm. high, glabrous, naked or bearing a single greenish-white 
neryed bract near or somewhat above the middle, terminated by 1 to 3 
flowers: floral bracts scarious, greenish-white, nerved: pedicels 0.5 to 
1 cm. in length, jointed in the middle: perianth yellow or in the dried 
state yellowish-white ; divisions 8 to 10 mm. long, 3-nerved, obtusish or 
somewhat rounded at the apex: stamens nearly or quite as long as the 
perianth ; anthers free: capsule about 1 cm. long.— Mexico. State 
of Chihuahua: cae of Mt. Mohinora, 12.8 km. from Guadalupe y Calvo, 
