Codon acanthus.'] acanthace^. 267 



I. C. pauciflorus, Nees in DC. Prod. xi. 103. Rhizome creeping and 

 perennial. Stems erect, usually simple, and 6 in. to 1 ft. high, but twice as 

 much when very luxuriant. Leaves shortly stalked, ovate or elliptical-oblong, 

 obtuse or acuminate, 1^ to 3 in. long, usually glabrous. Flowers in distant 

 pairs, in slender terminal racemes of 3 or 4 in., often branching out into pa- 

 nicles. Bracts and bracteoles very small. Pedicels about 1 line. Calyx 1 \ 

 to 2 Hues. Corolla very spreading, about \ in. diameter. Capsule 6 or 7 

 lines long, the compressed base about as long as the seed-bearing portion. 



In ravines of Victoria Peak, Champion ; in a ravine of Mount Gough, Wilford ; also 

 Wriyht. In Silhet and Assam. 



Order LXXXTI. VERBENACE-ffi. 



Flowers irregular or rarely regular. Calyx persistent, truncate, toothed, or 

 lobed. Corolla with 4 or 5 or rarely more lobes, imbricate in the bud, nearly 

 equal, or more or less 2-lipped. Stamens usually 4, in pairs, inserted in the 

 tube of the corolla, and alternating with its lower lobes. Ovary not lobed, 

 usually 2- or 4 -celled, with one ovule in each cell. Style terminal, simple, 

 entire or with 2 short stigmatic lobes. Fruit dry or succulent, indehiscent or 

 separating into 2 or 4 cocci. Seeds erect, without any or with a small quantity 

 of albumen. Embryo straight, with thick cotyledons. — Herbs, shrubs, trees, 

 or climbers. Leaves usually opposite or whorled, without stipules. Inflores- 

 cence various. 



A large Order, -ranging over both, the New and the Old World, most abundant in the tro- 

 pics, but with a few extratropical species, both in the northern and southern hemispheres. 



Tkibe I. Verbenese. — Inflorescence indeterminate, in racemes, spikes, or heads. 

 Ovules erect from the base of the cells. 

 Ovary 4-celled. Fruit dry, separating into small cocci. Flowers in 



spikes 1. Verbena. 



Ovary 2-celled. Fruit a drupe. Flowers in heads 2. Lantana. 



Tribe II. Viticese. — Inflorescence determinate, in panicles, cymes, or heads. Ovules 

 pendulous or laterally attached. 



Lower lobe of the corolla much longer than the 4 others. Tube short. 

 (Stamens included.) 

 Fruit dry, separating into 4 cocci, with acute or winged edges. 



Lower lobe of the corolla fringed 3. Caryopteris. 



Fruit a drupe. Lower lobe of the corolla entire 8. Vitex. 



Corolla-lobes nearly equal. 



Corolla small, usually 4-lobed, with a short tube. 



Cymes or panicles terminal. Style acutely 2-lobed .... 4. Premna. 

 Cymes axillary. Style dilated and truncate at the top ... 5. Callicarpa. 

 Corolla 5 -lobed. 



Corolla-tube slender, much longer than the calyx, except when the 



latter is inflated. Stamens exserted 6. Clerodendkon. 



Corolla rather large, obliquely campanulate, with a short tube. 



Stamens shorter than the corolla 7. Gmelina. 



1. VERBENA, Linn. 



Calyx 5 -toothed. Corolla with a distinct tube, and a rather unequal spread- 

 ing 5-lobed limb. Stamens 4 or rarely 2, included in the tube. Ovary 4- 



