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Pressed ), figa approxim 
96 BOTANICAL GAZETTE. [ April, 
the specimens in the college herbarium. Upon making the comparison : 
he writes: “The Prunus pumila sent I can not distinguish from northem — 
specimens, New York and New Jersey.”—Epwarp Reap Meee 
_ Flat Rock, N. C. 
Synopsis of the genus Panienm Linn tt species of the United 
States a be divided into the following section 
mn I. Dicrrarta. Panicles of sev eral spikes or spikeline | 
ei nbick are digitate or approximate at the top of the culm: spike- — 
lets usually small and in alternate pairs along one side of the flattened — 
rhachis; one sessile and one short! y pedicelled ; empty glumes 2, or some> — 
times 3, the lower one then being minute. 
Species 4. 
Section IL Trichacuye, Spikelets densely silky-hairy, or fringed 
with long hairs , Sessile or shortly pedicelled, in pairs or clustered along 
the rhachis of the numero 
- leucopheum HBK. »lachnanthum Torr. 
- Section IIL. Bracur HIARIA. Panicle subspicate or with several short 
sessile simple branches : spikelets sessile or subsessile. 
Panicle of few (3 to 6) simple, mostly sessile, epreai : 
ikelets sessile in two rows.on one side of a fievanety 
rhachis, : as in Paspalum, but with a 
PP. 
es, Curtisii, ees. reticulatum, Texanum. 
iret lax flowered. 
PP. an i, Reverchyni, subspicatum, mals es. 
mata. ne erect or somewhat spreading — a 
» Prostratum, cespitosum i ae SON ‘ i: 
4- Polystachya. Branches of the panicle at 7 : 
or 7b a as ‘Simple or with slot besnbtilets at the base : skal 
sess 
PP aba, laxum, beurh 
inode, and small forms of ance 
n IV, Eupantcom, 
oe b- 
_ Branches of the panicle more or less sh 
ally Spreading and naked below; pe 
cotati glomerate, 
» depauperace; branches few, erect. 
> vanthophysum, depauperatum, angustifolium Chapm 
a Panicle small but diffuse se, branches rather few- flowered pie short. 
f mp partum, consanguinenm, laziflorum, dichotomum, and 
Orms, 
