XCIII. VEEBENACE^. 295 



Shrubs or herbs, with scattered leaves and densely spiked flowers. — 

 Several species, dispersed. 



21. HEBENSTREITIA, Linn. 



Flowers of Polycenia. Carpels 2, unequal, at length sepa- 

 rating, 1-celled, the back one often abortive, resting on the 

 front, which is 1-seeded. — E. Mey. I. c. p. 246 ; DC. Prod. xii. 



Undershrubs or herbs, some annual, with narrow, scattered leaves and 

 long spikes of orange or yellow flowers. — Several species, dispersed. 



22. DISCHISMA, Choisy. 



Calyx 2-parted, the segments lateral. Corolla and stamens 

 of Polycenia. Carpels 2, nearly equal, 1-celled, 1-seeded. — 

 E. Mey. I. c. p. 250 ; DQ. Prod. xii. p. 6. 



Separated from Hebenstreitia, on account of the 2-parted calyx. Flowers 

 in dense villous spikes. — Several species, dispersed. 



Order XCIV. PLUMBAGINEjE. 



Calyx tubular, persistent, dry, with plicate aestivation. Co- 

 rolla regular, either tubular or of 5 separate petals. Stamens 

 5, opposite the petals or the lobes of corolla, hypogynous in 

 the monopetalous genera, adnate to the claws of the petals 

 in the polypetalous. Ovary free, 1-celled ; ovule 1, pendulous 

 from a long cord, rising from the base of the cell ; styles 5 

 (rarely 3-4). Fruit a utricle ; seed pendulous, albuminous. — 

 Herbs or halfshrubs, often growing near the sea or in salt 

 ground, with alternate or tufted leaves, and cymose or fascicled 

 flowers. Corolla soon withering. Calyx often coloured. 



Tribe 1. Plumbage^, Corolla gamopetalous, salver- or funnel-shaped. 



Stamens hypogynous. 



Calyx tubular, 5-toothed, with 5 glandular ribs .... 1. Plumbago. 



Calyx ovate, 5-wiuged, the wings cross-ribbed and fur- 

 rowed 2. YOGELTA. 



Tribe 2. Statice^. Corolla 5-petalled. Stamens attached to the claws 

 of the petals. 

 Calyx funnel-shaped, with a 5-nerved, 5-lobed limb . . 3. Statice. 



1. PLUMBAGO, Tourn. 



Calyx tubular, 5-toothed, membranous, with 5 broad, green, 

 glaiidular ribs. Corolla salver-shaped, the tube exserted ; 

 limb 5-parted. Stamens 5, hypogynous. Ovary ovate or ob- 

 long ; style filiform ; stigmas 5, filiform, glandular within. 



