MANUAL OF THE GRASSES OF THE WEST INDIES DAES 
12. Panicum elephantipes Nees, Agrost. Bras. 165. 1829. Brazil. 
Perennial; culms ascending from a decumbent, often widely creep- 
ing base, rooting at the nodes, succulent, as much as 2 em thick, 1 
m or more tall; blades flat, as much as 20 mm wide; panicles large 
and open, as much as 40 cm long, the short branchlets appressed 
along the ascending branches; spikelets 4 to 5 mm long, lanceolate, 
acuminate, glabrous; first glume one-fifth to one-fourth the length of 
the spikelet, obtuse or acutish (fig. 207). 
Ponds and shallow water at low altitudes, sometimes in large 
colonies, Central America and the West Indies to Argentina. 
Cusa: Cabafias, Ekman 10504. Laguna de los Indios, Roig 3186. 
Habana, Léon 335, 9039. Laguna Origuanabo, Léon 13312. San 
Antonio, Hitchcock 152. Soledad, Hitchcock 23335. 
JAMAICA: Savanna-la-Mar, Hitchcock 9878. Cabaritta River, 
Harris 11813. Montego Bay, Ridley 127. Middle Quarters, Hitch- 
cock 9586 (Amer. Gr. Nat. Herb. 19). 
Haiti: Miragoane, Hkman H 6539, H 
7254. Dessolines, Ekman H 3024. 
Dominican REPUBLIC: Jaina, Faris 393; 
Ekman H 13352. Santo Domingo City, 
Ekman H 11149. 
Purerto Rico: Fajardo, Sintenis 938. 
San Juan, Chase 6407. Vega Baja, Chase 
6415. 
13. Panicum capillare L.,Sp.Pl.58. 1753. 
Virginia. WITCHGRASS. 
Annual; culms erect, 20 to 80 cm tall; 
sheaths densely papillose hispid; blades 10 
to 25 cm long, 5 to 15 mm wide, hispid 
on both surfaces; panicle diffuse, often half 
the length of the entire plant, breaking 
away at maturity; spikelets 2 mm long, thi, bos ee 
glabrous, acute; first glume about half as Beene ree RGEC, Ga Hee 
long as the spikelet, acute (fig. 208). ZA TUM RIIES) 
Open ground and waste places, eastern 
United States; introduced in Bermuda and the Virgin Islands. 
Bermupa: Collins 151, 152; Brown and Britton 21. 
VirGIN IsLANDs: St. Croix, Benzon 42. 
14. Panicum hirticaule Presi, Rel. Haenk. 1: 308. 1830. Mexico. 
Annual; culms erect, 15 to 70 cm tall, glabrous or papillose-hispid, 
the nodes and sheaths hispid; blades flat, mostly glabrous or nearly 
so, 4 to 13 mm wide; panicles 5 to 15 cm long, open, usually reddish- 
brown; spikelets about 3 mm long, acuminate, glabrous; first glume 
half to three-fourths the length of the spikelet, acuminate (fig. 209). 
Rocky or sandy soil, southwestern United States to Bolivia; Cuba 
and Haiti. 
Cuspa: Gamboa, Ekman 15009. 
Haiti: Damien, Hkman H 9154, H 9991. Petite Riviére de |’ Arti- 
bonite, Picarda 1654. 
Dr. Ekman notes that this species is very common in fields around 
Port-au-Prince (no. H 9991). 
60256—36——17 
