1897 ] UNDESCRIBED PLANTS FROM CENTRAL AMERICA 9 
posita. Involucri glabri discum aequantis bracteae lineares. 
Flores feminini pluri-seriati, ligulis suberectis minimis tubo 3-plo 
brevioribus discum vix ac ne vix quidem superantibus. Flores 
disci pauci, stylorum ramis ellipticis. Achaenia glabra, setis 
plerisque elongatis aequalibusque, paucis minimis intermixtis. 
Leaves 34-5 X 14-2 in., sharply and mucronately dentate, acute tip 
entire, green and scabrid above. Panicle 5-7 in, high and as wide at base, 
axes spreading, the primary ones bracteated by reduced leaves. Heads sub- 
equaling pedicels, 2 1. high. Scales of obconic involucre 3-seriate, narrow, 
obtuse, lacerate. Ligules obovoid, 14 1. long, 3-denticulate. Disk-flowers 
about 4.— The inflorescence is exceptional, as is also the habit of this and the 
preceding allied species. 
Between San Martin and Todos Santos, Depart. Huehuetenango, Guat. 
alt. PRES ft., Dec. 1895, E. W. Nelson, no. 3629. 
VERBESINA FRASERI Hemsl., var. Nelsoni Donnell Smith.— 
Folia saepius lobata. Capitula minora plerumque 3-aggregata, 
involucri bracteis 3-seriatis, serium exteriorum bracteis 1-1 %- 
linealibus ovatis crassis adpressis, receptaculi bracteis post 
lapsum florum in apice lutescentibus. Forsitan species distincta. 
Near Neuton, Depart. Huehuetenango, Guat., alt. 3000-4000 ft., Dec. 
1895, E. W. Nelson, no. 3551. 
Calea Guatemalensis Donnell Smith.—Glaberrima. Nodi 
exappendiculati. Folia oblongo-elliptica utrinque consimiliter 
ata integerrima. Corymbus terminalis amplus polyceph- 
alus. inferne 3- superne 2-chotomus, bracteis foliaceis sessilibus, 
amend — Involucri hemispherici t bracteae 2- seriatae 
bracteis 
_ Limbus corollarum tubu- : 2 i 
