54 PANICE E. 
- 53. ECHINOL/ENA Dszsvavx. 
Spiculee biflorz;flores bipaleacei; inferior masculus, subcoriaceus; superior her- 
maphroditus, minor, coriaceus, fructifer basi articulatus. Glum:e duce, indurato-co- 
riaces, naviculari-concavse, ineequales, externe papilloso-pilifero; in E. polystachya: 
inferior glabra, superior echinato-glochidata. Palece floris hermaphroditi mutice, 
concave; inferior superiorem binerviam amplectens. Squamule duce, collaterales, 
externae, carnose vel carnoso-membranaceze , truncato-bi-trilobee . vel rotundata , 
glabra. Stamina tria. Ovarium glabrum. Styli duo, terminales, liberi. Stigmata 
plumosa; pilis simplicibus. Caryopsis ovato-oblonga, externe ( ubi embryo situs ) 
convexa, interne planiuscula, glabra, libera, paleis arcte inclusa. 
Gramina ramosa, diffusa, repentia. Folia plana. Spice nunc terminales, solitariz, 
basi geniculato-inflexe, spiculis sessilibus, unilateralibus; nunc plures, distantes, 
spiculis pedicellatis. 
SPECIES : 
1l. SPICA SOLITARIA ; SPICULJE UNILATERALES, SESSILES; GLUM/E PAPILLOSE, PAPILLIS PILIFERIS : 
.. 1. Echinolena scabra Hurmnó. et Kunth. (Panicum Echinolena IVees ab Esen5.) — Guiana, Brasilia. 
2. Echinolema hirta Dese. (Cenchrus inflexus Poir. — Cenchrus marginalis Rudge. — America 
cequinoctialis. 
2. SPICE COMPLURES , DISTANTES 5 SPICUL/E PEDICELLATJE; GLUMA SUPERIOR ECHINATO -GLOCHIDATA , 
INFERIOR GLABRA : 
3. Echinolena? polystachya Humb. et Kunth. (Panicum glandulosum XVees a5 Esenb. — Panicum 
uncinatum Aaddi. — Lappago aliena Spreng.?) — Flumen Magdalene, Brasilia. 
4. Echinolena? nemorosa. (Panicum nemorosum Swartz. — Milium nemorosum Moench.) — Jamaica , 
Hispaniola, Brasilia. — An eadem ac preecedens? . 
5. Echinolena? navicularis. (Panicum naviculare lVees ab Esenb. — Navicularia glabra addi.) — 
Brasilia , ut subsequentes. 
6. Echinolzna? brachystachya (Panicum brachystachyum JVees ab Esenb.) 
7. Echinolzna? procurrens. (Panicum procurrens IVees ab Esenb.) 
55. THOUAREA Prrir-Tuovans. , Pens. , Dnaowx. 
Spicule biflore ; flores sessiles, bipaleacei, in spiculis 1-9 inferioribus cujuslibet 
spice : superior ( exterior ) hermaphroditus, inferior ( interior ) masculus; in spi- 
culis superioribus : uterque masculus. Gluma superior ( exterior) ovato-oblonga, 
concava, membranacea , floribus brevior; inferior (interior) nulla. Flos hermaphr.: 
Pale: dus, subequales, chartaceze , mutice; inferior concava, superiorem biner- 
