1102 OC. GRAMINE. [Panicec., 
in una quam in altera minore y. omnino deficiente. Hie character tamen nobis valde incertus 
videtur, in P. (Digitaria) sanguinali, P. glabro, affinibusque glums infime minime presentia vel 
absentia minime constans, 
6. Brachiaria. Spicule in latere inferiore spicarum (seu ramorum panieule simplicis) more 
Paspali sessiles v. brevissime pedicellatw, sigillatim v. rarius inatim 2-seriate confertszque, v. 
dissitze et specie l-seriatz, exaristate. Species fere 40, plerwque gerontoges, nonnulle tamen in 
America endemiez. — Trig. Spec. Gra. t. 147, 100, 158, 159, 168, 172, 173, 184 ad 180, 335, 350. 
Kunth, Hev. Gram, t. 17, 18, 110. Jacq. Ecl. Gram. t. 2. Sibth. Fl. Gr. t. 59. Webb. Phytogr. 
Canar. t. 245. 
Sectio quoad species typicas P. /lavidum et P, fluitans, Retz, P. paspaloides, Pers., affinesque dis- 
tinetissima, inflorescentia omnino Paspali, ab hoc genere non differt nisi glum:w infimz parvo 
presentia, Species alie tamen omnino intermediwe sunt inter Zrachiariaz et Eupanicum; e.g. 
P. adspersum, Trin. Spec, Gram. t. 169, P. argenteui, Br., 'Trin. l, e. t. 170, P. Petiveri, Trin. l. c. 
t. 176, P. polyphyllum, Br., Trin. l.c. t. 177, 2 priores potius sub Jrachiarüs, 2 posteriores sub 
KEupanicis lazifloris collocamus. 
PanacrawtuM, Zeauv. Agrostogr. 47, t. 10, f. 6, ex ieone et char, videtur forma depauperata 
P. gracilis, Br., speciei Australian. 
In P. trachystachyo, Trin. Spec. Gram. t. 107 (P. perforato, Trin. l.c. 175), spiez laxiusculw, 
spieulis hirsutis presertim in spicis inferioril bfasceieulatis; in P. brach, Ayo, "Trin. 1. c. 
V. 107, et P. scopulifero, Trin. l.c. t. 105, spicule pariter hirsutze, spicis brevibus densis. Hze species 
omnes Americanz, 
P. Helopus, Trin, Spec. Gram. t, 183 (Unocnroa, Beauv. Agrost. 52, t. 11, f. 1), etiam a Kunthio 
Rev. Gram. t. 14, in Urochoa sua inclusum fuit ob mucronem apieem glum:e fertilis coronantem, 
exteris tamen characteribus et habitu a P. (Trichachne v. Urochloa) semi-alato longe recedit et Bra- 
chiariis tribuendum. 
T. Echinochloa. Spiculw secus ramos simplices paniculze sessiles, plereque 3-4-seriatim v. irregu- 
lariter dense confert, Glum:e secunda tertiaque sepissime plus minus interdum longissime aristate. 
Species à v. 6, quarum 2 (P. colonum, Linn., et P, crusgalli, Linn.) fere eosmopolitanz, vulgares et 
valde variabiles, cztere Americans. —Kunth, Enum. i. 142 (Oplizmeni sect.), Fourn. Gram. Mex. 
39 (Oplisimeni sect.). Jacq. Ed. Gram. t. 20, 32. Trin. Spec. Gram. t. 160 ad 164, 166. Host, 
Grain, Austr. ii. t, 19, iii. t. 01. Dell in. Mart. Fl. Bras. ii. ii. t. 22, EcniNocuroa, Beauv. "Agrostogr. 
63, 4. 11, f. 11. Reichb. Ic. Fl. Germ. t. 99. Nes, Gen. Fl. Germ. Monocot. i, n. 21. 
8. Piychopiyllum. (A. Braun, Ind. Sem. Hort. Berol. 1855, ex Walp. Ann. vi. 944). Species 
sepius elate, foliis rigidulis longis plus minus plieato-costatis. ^ Panicula simplex v. composita, 
) idalis v. subspiei is, floribunda, ramulis ultimis nonnullis v. pluribus ultra spiculas in 
setam productis. Sectio Sefarie subaffinis, sed sete solitari:e ramulum continuantes nee plures 
(ramali steriles) sub spieulis faseieulatze. — Hue P. plicatum, Lam., ex orbe vetere, P. suleatuin, 
AubL, ex America tropica, aflinesque pauez. — Jacq. Ecl. Grain. &. 1. — Trin. Spec. Gram. t. 89, 223. 
Dell in Mart. Fl, Bras. ii. ii. £, 26. 
9. Hymenachne, Spicule parvule, nune minim, in panicula elongata cylindracea spieiformi 
dense conferte, swpius numerosissimz, non sericex. Species ó v. 6, gerontogese v. American, 
quarum typica (P. Myurus, Lam.) a ceteris (P. indicui, Linn. et aff.) paullulum differt glumis longius 
aeuminatis, florente cum palea sub anthesi tenuiter membranaceis demum. rigidulis lzvibus et non v. 
vix induratis. Trin. Spec. Gram. t. 197, 204, 205, 214, 334. Dell in. Mart. Fl. Dras. ii. ii. t. 82. 
HwssacuxE, Beauv. Agrostogr. 48, €. 10, f. 8. — Nees, Agrostol. Bras. 273. — Fourn. Gram. Mez. 89. 
10. Eupanicum. Spieule breviter v. graciliter pedicellatz, secus panieule ramos simpliees v. 
ramosos fasciculatze v. laxe sparse, parvie v. majuseulg, nee sericeo-piloss. Species fere 200, alis 
vix a Zrachiarüs v. Digitariis distinetz, ali panieula ampla floribunda, v. capillari effusaque 
insignes, et a Trinio in sectiones 2, Virgariam et Miliariam, distribute. Character tamen a ramulis 
panicul:e angulatis v. teretibus nobis valde incertus videtur. Series sequentes przsertim ex inflores- 
centia definite, quoad species nonnullas distinctissim:e apparent, sed veremur ut non semper accurate 
limitaue inveniantur, 
a. Polystachye. Panieule subsimplicis rami plures, simplices v. inferioros basi ranulosi, secundi, 
spieulis parvis secus rhachin confertis subfascieulatis brevissi pedi is. Species Americanze. 
P. pilosum, Sw., P. lazum, Sw., P. polygonatum, Schrad., affinesque plures. — Trin. Spec. Gram. 
t. 171, 174, 178, 182, 213, 215, 324. Kunth, Rev. Gram. t. 108, 209. Doll in Mart. Fl. Bras. ii. ii. 
1. 90. Hue etiam pertinere videtur P. pyramidale, Kunth, Rev. Gram. t. 23, e Senegalia, nobis ignotum. 
b. Excelse, Panicule rami primarii quam in Polystachiis longiores, breviter ramulosi, spiculis 
