1906} BRIEFER ARTICLES 65 
P. Ensiint Trin. 1826, Gram. Pan. 2 
Pedale. Panicula (subdigitali) ude lucida; Spiculis subultra- 
linealibus, ellipticis, acutiusculis, pilosulis: pedicellis glabris; Gluma inferiore 
flosculis sub 4-plo breviori 1-, superiore eosdem vix ae 7-nervi; Her- 
maphrodito oblongo, acutiusculo, laevi, neutrum fere aequa 
An Panicum tenue Miihlenb. (quod Pan. liton ne Mant 2. 'p. 250) 
quaerit ill. N. AB Esenp. in litt. 
V. spp. Am. bor. (TRATTINICK, e collect. Enslini.) 
Culmus basi ramosus, ad paniculam usque vaginatus: vaginis arctis, fissura 
pubescentibus. Folia glabra: radicalia lanceolata-oblonga 1. ovata, sesqui- 
pollicaria, lineas 4-5 lata; superiora lineari-lanceolata, duplolongiora, patentia. 
Panicula e summa vagina prodit radiis subcapillaribus, parum patulis. Gluma 
inferior epilis, superior mucronulata cum flosculi neutrius valvula inferiore pilis 
adspersa. Hermaphroditus albescens. 
Label accompanying type specimen: “(an Pan, tenue Muhlb. quaerit 
NEEs AB Es.) ab Enslino in Am. bor. ]. dt. sine nom. cf. Trattinick Wiennae 
1820.” 
Specimen =P. equilaterale Scribn. 1898, Div. Agros. Bull. 11:42. 
Characterized by having the spikelets of P. commutatum but the leaves 
elongated and widely spreading. 
P. FLORIDANUM Trin. 1835, Mem. Acad. Petersb. VI. 37: 248. 
The type specimen from Georgia is Paspalum racemosum Nutt.=P. 
bifidum (A. Bertol.) Nash, as has been generally recognized. 
P. JEJUNUM Trin. 1836. Bull. Acad. Petersb. 1:76. 
The type specimen from Louisiana sent by Hooker in 1835 is Panicum 
hians Ell. =Steinchisma hians (Ell.) Nash. 
P. LANCEARIUM Trin. 1822, Clavis Agros. 234. 
1179. Gr. miliaceum americanum, minus, panicula parva. Pluk, Phyt. p. 
176. Tab. 92 f. 6. 
Mor. p. 197. no. 15. Panicum lancearium m. (de quo alio loco). 
Label accompanying specimen: ‘“Plukn. Tb. 92 {. 6.2? In Am. bor. 
ab Enslino I. dt. cl. Trattinick.” 
Specimen=P. Nashianum Scribn. 1897, Div. Agros. Bull. 7:79. 
The specimen matches Curtiss 4029 from Florida, the first specimen 
cited in the original description of P. Nashianum. Both have glabrous 
spikelets. The second specimen cited by Scripner, Nash 466, from 
Florida (the type on account of the specific name), has pubescent spikelets. 
Since Trinius gives a binomial to a plant described by PLUKENET and 
by Morrison under a polynomial designation, PLUKENET’s plant is the 
type. 
In Kew Index P. ancearium is cited as Agrost. Bras. 246. The name 
