Hikumano ni niou harihara irimidare koromo niowase tabi no shirushi ni

引間野ににほふ榛原入り乱れ
衣にほはせ旅のしるしに

Roma-ji: Hikumano ni niou harihara irimidare koromo niowase tabi no shirushi ni
English Translation: On Hikuma's plain
the alder groves glow with hue;
wander in their midst,
let your robes take on their dye
as a token of our trip.
Meaning: Wander freely through the alder groves glowing on the plain of Hikuma, and let your robes be dyed with their color as a keepsake of our journey.
Commentary: Book One Miscellaneous Poems 57

Headnote: "Poems from the journey of the Retired Empress to Mikawa Province in the second year, mizunoe-tora"
Attending a royal journey to Mikawa, the poet calls on his companions to wander through the alder groves of the Hikuma plain and dye their robes with the color as a keepsake of the trip. One can picture the lively scene of the party scattering across the fields, and the joy of travel and praise of the land are brightly expressed. It dates from Retired Empress Jitō's journey to Mikawa beginning in the tenth month of 702, the second year of Taihō; she died in the twelfth month of that year, making it her last journey. The left note names the author as Naga no Imiki Okimaro.
Naga no Okimaro was a court poet of the reigns of Empress Jitō and Emperor Monmu. Besides poems written on royal journeys, he excelled at witty verses that wove the names of objects into the lines. His career is unknown.

The first line names the plain of Hikuma, thought to be in Mikawa Province; one view places it near present-day Mito in Toyokawa, Aichi, another near Hamamatsu in Tōtōmi.
In the second line, niou means to glow with color, and harihara is a grove of alders. Alder fruit and bark were used for dye, and the phrase is taken to describe their colors.
The third line, "wander in their midst," conveys the lively scene of the party pushing into the fields.
In the fourth line, niowasu means to dye, here an imperative call. Repeating niou from the second line, it lets the color of the fields echo in the color of the robes. The poem breaks here.
The last line, "as a token of the journey," gives the purpose at the end through inversion.
Author: Naga no Okimaro
Source: Manyoshu
Prev Poem: Kawakami no tsuratsura tsubaki tsuratsura ni miredomo akazu kose no haruno wa
Next Poem: Izuku ni ka funahate su ramu are no saki kogitami yukishi tananashi obune