536 Order 88.— VERBENACE^E. 



then each splitting from the dorsal rib and curving upwards from the base. — 

 Roanoke R., N. Car. (Pursh) to Ga. (Pond) and La. (Hale). Plant 2 to af high, 

 lvs. 2 to 3' long, on stalks halt' as long. Pis. purple, 5 or G" long. 



8. RHYTIGLQS'SA, Nees. (Gr. pvrtg, a wrinkle, yX&ooa, tongue ; 

 referring to the wrinkled palate.) Calyx 4 or 5-parted ; corolla bilabi- 

 ate, upper lip narrow, lower 3-lobed, with a rugous, veiny palate ; struii- 

 ons 2 ; anther cells more or less distinct, subtransverse, placed one 

 above the other; capsule compressed, 4-seeded from the middle up- 

 wards; seeds tuberculate, with hooks. — Herbs, loose-leaved, with axil- 

 lary or spicate, bracted flowers. 



1 R. pedunculosa Nees. Erect, angular, very smooth ; lvs. hug-lanceolate, 

 scarely oblique or ensiform, obscurely crenatc or wavy, subpetiolate ; spikes axil- 

 lary, subcapitate, on very long peduncles opposite or alternate ; bracts and sepals 

 lanceolate, subequal, Jialf as long (3") as the ringent corolla ; lower half of the cap- 

 sule empty, valves recurved when ripe. — River banks, Niagara to Tex. and Ga. 

 Plant 2 to" 3f, lvs. 2 to 4' by 6 to 12". Corollas 6" loug, violet-purple. Caps, 

 same length. Jn. Jl. (Dianthera Americana L. Justicia, pedunculosa Mx.) 



2 R. ensiformis. Decumbent at lase, then erect, very slender, 4-angled. smooth ; 

 lvs. linear, oblique or ensiform, very entire, thick, sessile; peduncles subterminal, 

 very long; spikes at length loose-flowered; bracts half as long as the linear sub- 

 ulate sepals which are a third as long as the showy corollas. — E. Ga. to Apalachi- 

 cola, Pla. St. 1 to 2f high, in bogs. Lvs. 3 to 6' by 2 to 3". Ted. twice as 

 long. Cor. purple, 1' or more long, resembling those of Arethusa. Confounded 

 with the preceding hitherto, but very different. (Justicia ensiformis "Walt. ?) 



3 R humilis Nees. Glabrous, ascending, 4-angled ; lvs. oblong or lanceolate, or 

 the lower oval, obtusish, subcrenate, attenuate at base to a short petiole; spikes 

 simple, axillary, pedunculate; fls. loose, mostly secund; bractlets much shorter than 

 the subulate calyx lobes, which equal the tube of the small corolla ; caps, acumi- 

 nate, the lower half empty and stalk-like. — S. Car. to Fla. and La. Plant 1 to 2f 

 high, often much lower. Lvs. 2 or 3' long, the spikes at length exceeding them, 

 C to 10-tlowered. Cor. 5" long, light purple? (Justicia, humilis Mx.) 



9. CYRTANTHERA, Nees. (nvprog, curved, avOrjpa.) Calyx 5-cleft 

 or parted, equal ; corolla ringent, upper lip falcate, lower in 3 narrow 

 segments; stamens 2, recurved at apex, anthers short, nodding, capsule 

 4-seeded ? — Herbs from tropical America, with showy clusters of flowers. 

 C. carnea. Stem stout, tall, half-shrubby; lvs. ample, ovate, subdeltoid or oval- 

 oblong, long-cuneate at base, petiolate; bracts and bractlets lanceolate, acu- 

 minate, ciliate, larger than the calyx ; lis. in a dense, thyrse-like, terminal head, 

 light purple or flesh-colored, large, many in bloom at once. — In the greenhouse. { 

 (Justicia carnea Hook. C. magnilica Nees.) 



Order LXXXVIII. YERBENACE^E. Vervains. 



Herbs (or generally shrubs and tree?) with opposite, cxstipulato leaves. Flowers 



with a bilabiato or more or less irregular monapetalous corolla. Stamens 4, didyna- 



mou3, rarely equal, sometimes only 2. Style 1. Fruit dry or drupaceous, 2 to 



4-celled (1-celled in Phrj-ma) forming as many 1-seeded nutlets. Seeds erect or 



pendulous, with little or no albumen. 



Genera 5G, *pe-ies T^O, the herbs chiefly natives of temperate regions, the shrubs and trees of 

 irarm and tropical regions, where in some instances they are very large. The Teat-tree (Tec- 

 toria grandis) of India, justly styled the "'Oak of the Kast" is a timber tree of great size, often 

 100 feet in height The wood is greatly durable, and contains silex. Medicinal properties un- 

 important. The order affords many fine ornaments for the garden. 



GEXERA. 



S Herbs. Fruit dry, — of i 1-seeded carpels. Corolla 5-parted VebbbKA. 1 



— of 2 one-seeded carpels. Corolla 4-parlcd ... . LlPPIA. S 



— of 1 one-seeded nutlet. Corolla bilabiate PiikYma 8 



