Cobea.
Gourds.
Nasturtiums _(Tropaeolum)._
Canary-bird Flower _(Tropaeolum peregrinum_).
Sweet pea (Fig. 265).
Wild cuc.u.mber.(A)
Maurandia.
Gourds or gourd-like plants, as, _Coccinia Indica;_ Cuc.u.mis of several interesting species, as _C. erinaceus, grossularioeformis, odoratissimus;_ dipper or bottle gourd _(Lagenaria)_;
vegetable sponge, dish-cloth gourd, rag gourd _(Luffa);_ balsam apple, balsam pear _(Momordica)_; snake gourd _(Trichosanthes)_; bryonopsis;
_Abobra viridiflora._
All the above except sweet pea are quickly cut down by frost.
_b. Twiners_
Beans, Flowering.
Cypress vine.
Dolichos Lablab, and others.
Hop, j.a.panese.
Ipomcea Quamoc.l.i.t (cypress vine) and others.
Moonflower, several species.
Morning-glory.
Mina lobata.
Thunbergia.
Mikania scandens.(A)
b.u.t.terfly pea, _Centrosema Virginiana._(A)
Scarlet runner, _Phaseolus multiflorus_ (perennial South).
Velvet or banana bean, _Mucuna pruriens_ var. _utilis_ (for the South).
[Ill.u.s.tration: Fig. 265. Sweet pea.]
_Perennial herbaceous climbers._
(The tops dying down in fall, but the root living over winter and sending up a new top.)
_a. Tendril-climbers or root-climbers_
Everlasting pea, _Lathyrus latifolius._ Clematis of various species, as _C. aromatica, Davidiana, heracleaefolia (C. tubulosa_), are more or less climbing. Most of the clematises are shrubs.
May-pop, _Pa.s.siflora incarnata._(A) Not reliable north of Virginia.
Wild Gourd, _Cucurbita foetidissima (Cuc.u.mis perennius_).(A) Excellent strong rugged vine for covering piles on the ground.
[Ill.u.s.tration: Fig. 266. Clematis Henryi. One-third natural size.]
Mexican rose, mountain rose, _Antigonon leptopus._
Root tuberous; a rampant grower, with pink bloom; outdoors South, and a conservatory plant North.
Kenilworth ivy, _Linaria Cymbalaria._
A very graceful little perennial vine, re-sowing itself even where not hardy; favorite for baskets.
_b. Herbaceous twiners_
Hop, _Humulus Lupulus._(A)
Produces the hops of commerce, but should be in common use as an ornamental plant.
Chinese yam, cinnamon vine, _Dioscorea divaricata (D. Batatas_).
Climbs high, but does not produce as much foliage as some other vines.
Wild yam, _D. villosa._(A)
Smaller than the preceding; otherwise fully as good.
Ground-nut, _Apios tuberosa._(A)
A bean-like vine, producing many chocolate-brown flowers in August and September.
Scarlet runner and White Dutch runner beans, _Phaseolus multiflorus._
Perennial in warm countries; annual in the North.
Moonflowers, _Ipomcea,_ various species.
Some are perennials far South, but annual North.