NER e A RC 
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Hills east of Cuicatlan, Oaxaca, Mexico; altitude, 2,000 to 4,000 feet. No. 1707, 
894. It has larger spikelets than any olor a species except E. annulatus mad 
ata Doell., from which it may be readily separated by the form of the 
inflorescence. i 
Isachne — Doell. Chicharras, Chiapas; altitude, 3,000 to 6,000 feet. Feb- 
ruary 6, 1896; 3 
Panicum balbosa HBK. Eighteen miles paa hy of the city of Oaxaca; alti- 
tude, 7,500 to 9,500 feet. September 12, 1894; 1374. 
pe biglund ulare Seribn. & Smith, sp. nov. nos IV.) Culmsdecumbent or 
scending, branching, wiry, compressed, 2 to 4 feet long; nodes tumid ; sheaths 
line of short hairs; leaves lanceolate, acuminate, rounded or subcordate at the 
base, and with a shart pedicel one-half line lang, sparsely glandular hispid on 
both sides, 2 to 4 inches long, 6 to 9 lines wide; inflorescence a racemose panicle 
about 4 inches long, the alternate, erect, sub-distant racemes 6 to 8 lines long, 
the main axis and its branches slender, angled, sparsely ciliate; spikelets alter- 
nate , almost — 2 lines long; lowest "e glume ovate acute mucronate, 
HE as ; the ideni second opty y glume nearly 2 lines long, elliptical-ovate 
acute, 7-nerved, bristly hispid all over, the bristles shorter than those of the 
keels to the base; fertile flowering glume 1 line long, narrowly Ye i na 
tical, acute, coriaceous, smooth and shining; palea as long as its glume. 
Pinabete, Chiapas, February 8, 1896, at an altitade of 6,500 to 8,000 feet; No. 3781. 
Closely related to Panicum uncinatum Raddi, from which it differs in having 
more robust culms and larger leaves, smaller spikelets, the third glume with 
only two glands, and in the form of the inflorescence, which is similar to that 
Panicum carthaginense Swz. Along a roadside between San Ricardo and Ocozu- 
cuantla, Chiapas; “altitude, 2,600 to 3,300 feet. August 18, 1895; 2958. Culms 2 
$0 
ad æ brevisetum Doell. (Setaria effusa Fourn.). Table-land about 
Ocuilapa, mice altitude, 3,400 to 3,800 feet. August 21, 1895; 3059. Tall 
grass 4 to 8 8 fee t high. 
Panicum divaricatum L. (P. divaricatum latifolium Fourn.). Near Tlalixtaquilla, 
Guerrero. December 10, 1894; 2254. 
Panicum fasciculatum genuinum Doell. Between TANT Oaxaca, and Tonala, 
Chiapas; altitude, 200 1 to 500 feet. August 1, 1895; 
Panicum filiforme L. var.? (Paspalum velutinum minus iur 5 Along roadsides 
between Tuxtla and San Cristobal, Chiapas; altitude, 2,300 to 5,500 feet. Sep- 
eie 14, 1895; 3118. Culms 3 to 12 inches eid sheaths d leaf blades vil- 
lose-hirsute ; 1 mostly in threes, subdigitate, 1 to 14 inches long; empty 
ses . ciliate. 
Panicum glutinosum Swz. Turubula, Chiapas; altitude, 4,000 to 5,500 feet. Octo- 
ber 25, 1895; 3357. 
Panicum horizontale Jacq. Ocuilapa, Chiapas; altitude, 3,400 to 3,800 feet. Octo- 
ber 21, 1895; 3049. : 
Panicum 3 Steud. “ene about Ocuilapa, Chiapas; altitude, 3,400 to 
3,800 feet. August 21, 1 
Panicum pilosum Swz. Pian bond ahont Ocuilapa, Chiapas; altitude, 3,400 to 3,800 
feet. August 21, 1895; 3056. 
anicum prostratum Lam. Vicinity of Cuicatlan, Oaxaca; altitude, 1, 800 to 2,500 
feet. October 20, 1894; 1622. 
