This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
L. hirsuta Eaton, Man. Ed. 2, 307. 1818.
Twining, the branches hirsute and glandular-pubescent. Upper one or two pairs of leaves connate-perfoliate, the others oval or ovate, short-petioled or sessile, softly pubescent beneath, dark green and appressed-pubescent above, ciliate, obtuse or obtusish at the apex, rounded or narrowed at the base, 2'-31/2' long; flowers verticillate in short terminal interrupted spikes; corolla pubescent within, 1'-1 1/2' long, viscid-pubescent without, orange-yellow, turning reddish, the tube slender, somewhat gibbous at the base, the limb strongly 2-lipped, about as long as the tube or shorter; filaments hirsute below.
In woodlands, Vermont and Ontario to Manitoba, Pennsylvania, Ohio and Michigan. Rough woodbine. June-July.
Lonicera Douglasii Hook. Fl. Bor. Am. 1: 282.
Similar to the preceding species, the branches glabrous. Leaves glabrous above, pubescent, at least on the veins, beneath, 1 1/2'-2' long, chartace-ous-margined, not ciliate, usually only the upper pair connate-perfoliate; flowers verticillate in a short terminal interrupted spike; corolla yellow, changing to reddish, pubescent or puberu-lent without, pubescent within, 1' long, or less, the tube rather strongly gibbous at the base, the 2-lipped limb shorter than the tube; stamens nearly glabrous, or somewhat pubescent; style hirsute; both exserted; ovary sometimes hirsute.
Ontario to Alberta, Pennsylvania, North Caro lina, Ohio and Nebraska. May-June.
Glabrous throughout, twining or shrubby, 3°-10° long. Leaves very glaucous beneath, 1 1/2'-3' long, the upper connate-perfoliate, oval, obtuse, the lower sessile or short-petioled, narrower; flowers several in a terminal cluster, yellowish green and tinged with purple, glabrous without, pubescent within, the tube 3"- 4" long, gibbous at the base, scarcely longer than the 2-lipped limb; stamens hirsute below, exserted with the style; berries red, 3"- 4" in diameter.
In rocky ana usually dry situations, Quebec to Manitoba, south, especially along the mountains to North Carolina, and to Ohio and Missouri. Ascends to 3500 ft. in North Carolina. All the leaves of young shoots are sometimes connate-perfoliate. Small yellow or crimson honeysuckle. Small woodbine. May-June.