532 GRAMINE^E. 



Sect. 1. Eueragrostis. — Rhachis not jointed: palea persistent. Fertile glumes usually 



herbaceous. 



17. E. prolifera, Stent) . Perennial, stoloniferous, rigid, erect (oriuflexed at the base), 

 glabrous ; leaves linear-setaceous, often convolute ; panicle expanded : branches geminate- 

 solitary, little hairy at the base ; spikelets lanceolate-linear, 4-12(-" 20 ")-flo\vered : fertile 

 glumes ovate, pointed, 3-nerved : palea nearly the same length, glabrous. — Poa, Sw. ! — 

 li'-2' high, csespitose, slender : the lowest leaves often half as long as the stem; panicle 

 4"-8", flowers §•"' long.— Hab. Antigua !, Wullschl., S. Lucia, [Caribbean islands !, Sw.']. 



18. E. g-lutinosa, Tr. Caspitose, little stoloniferous from a fibrous root, rigid, erect, 

 glabrescent, viscous below; leaves linear, setaceous-acuminate, flat ; panicle spreading: 

 branches solitary, lowest geminate, scabrous, glabrous at the base ; spikelets lanceolate, 4- 

 12-flowered : fertile glumes ovate, pointed, 3-nerved, scabrous at the keel : palea little 

 shorter, minutely ciliate. — SI. t. 71. /. 2.- -Poa, Sw. — 1'-2' high ; leaves rigid, often reach- 

 ing to the panicle, the latter 4"- 6", flowers $'" long.— Hab. Jamaica !, Wullschl., in sandy 

 savannahs of the southern districts. 



1 9. E. pilosa, P. B. A nnual, slender, erect, glabrous ; leaves flat ; panicle expanded : 

 lower branches half-whorled, bearded at the base ; spikelets lanceolate-linear, 3-12-flowered, 

 about as long as the hair-like pedicels : fertile glumes ovate, somewhat pointed, with the 2 

 lateral nerves delicate : palea shorter, minutely ciliate.— Reichenb. Ic. Germ.f. 1659, 1660. 

 — Poa, L. — Spikelets \'" broad, often purplish ; flowers about V" long- — Hab. S. Vincent !, 

 Guild. ; Trinidad !, Sch. ; [temperate and tropical countries of the globe]. 



20. E. bahiensis, Schrad. Annual, erect, glabrous ; leaves linear, setaceous-acumi- 

 nate, often involute ; panicle spreading (or contorted) : branches solitary, glabrous or little 

 hairy at the base; spikelets oblong-linear, &-2%-&owere(i, shortly pedicellate : fertile glumes 

 ovate, pointed, 3-nerved: palea little shorter, minutely ciliate. — E. Brownei, Ns. Poa 

 polymorpba, R. Br. (nofi W.). — Spikelets purplish or pale, 1'" broad; flowers f" long. — 

 Hab. Jamaica!, Wullschl.; [all tropical countries and hey ond their limits]. 



21. E. poseoides, P. B. Annual, diffuse; leaves flat; panicle spreading: branthe 

 solitary or jremiuate, glabrous or little hairy at the base ; spikelets oblong-linear or lanceo- 

 late, 4-20-flowered : fertile glumes ovate or ovate-oblong, bluntish, 3-nerved : palea two- 

 thirds as long, minutely ciliate. — Reichenb. Ic. Germ.f. 1661. — Poa Eragrostis, L. P. capil- 

 laris, Sw. (non L.), or P. tephrosanthos, Schu.lt. : the West Indian form, with shorter spike- 

 lets and the fertile glumes ovate-oblong. — Spikelets almost 1'" broad; flowers \ m -\ w 

 long. — Hab. Jamaica !, Wils., Wullschl., March ; [temperate and tropical countries of the 

 globe]. 



22. E. reptans, Ns. Low, ascending, caspitose, stoloniferous ; leaves shortly linear- 

 acuminate ; panicle short, racemiform : branches solitary, simple, or lower divided from near 

 the glabrous base ; spikelets oblong-linear or linear, 10-40-flowered, longer than the pedicels ; 

 fertile glumes ovate-lanceolate, membranaceous with 3 green nerves ; palea one-third to 



one-half as long, minutely ciliate. — 2"-5-' high : spikelets 1'" broad; flowers %"' long. — 

 Hab. Trinidad !, Or. ; [United States ! to Buenos Ay res !]. 



Sect. 2. Brizoma, Nutt. — Rhachis jointed, with the joints seceding. Fertile glumes 



membranaceous. 



:.'•'{. E. ciliaris, Lk. Annual, ascending, glabrous; leaves linear-acuminate; panicle 

 contracted, long; spikelets ovate-oblong or oblong, 6-8 (-20) -flowered ; fertile glumes 

 ovate-oblong, blunt, with a dorsal and 2 marginal, distant, green nerves : palea nearly as 

 long, long-ciliate.—Jacq. Ic. Rar. t. 304.— Poa, Z. P. elegaus, Poir. — Panicle 2"-6" 

 long; spikelets 1'" broad; flowers i'" long. — Hab. Jamaica!, all coll., in sandy soil; 

 S. Kitts!, Els., Antigua!, Wullschl., Dominica!, Imr,, S. Vincent!, Guild.; Trinidad!, 

 Cr. ; [Cuba ! and Mexico ! to Brazil ! ; Galapagos ! ; East Indies !, Arabia, trop. Africa ! to 

 the Cape !]. 



24. E. conferta, Tr. Perennial, stout, branched' the whole length, glabrous ; leaves 

 linear-acuminate: ligule truncate; panicles long, glomerale-virgate '; spikelets ovate or 

 ovate-oblong, covering the panicle-branches to their base, 2-4 (-8) -flowered; fertile glumes 

 lanceolate, acuminate, with a dorsal and 2 marginal, distant, green nerves : palea a little 



