88 DICOTYLEDONOUS. 



spreading processes. Petals 5, undulate. Stamens 10, with 

 the alternate ones very long. Stigma small, on the filiform 

 style. Capsule globose, 3-celled. Seeds numerous, minute. 

 Perennial plant with opposite, entire leaves, and axillary 

 flowers. 



1. D. Verticillatum. Stem recurved, pubescent. Leaves lanceolate,, 

 acute, entire ; a little hairy on the upper surface, tomentose on the under - 

 Flowers 3 or more at the summit, of a short peduncle, rather large, showy. 

 Purple. '2|-. Aug.— Sept. In damp soils. 3-4 feet.^ 



Genus V. CUPHEA. 



Calyx tubular, ventricose, 6-toothed and generally with as 

 many intermediate processess. Petals 6, unequal. Stamens 

 12 unequal. Style filiform. Capsule membranaceous, 1--2. 

 celled. Seeds orbicular, compressed. Herbaceous plants, 

 with opposite leaves ; calyx colored. 



1. C ViscosissiMA. Plant viscid, pubescent. Stem erect, branching 

 Leaves opposite, ovate-lanceolate, scabrous, on slender petioles. Flowers soli- 

 tary, on short peduncles. Calyx ribbed, gibbous at the base, viscid. Petals 

 unguiculate. Stamens 12. Capsule oblong. Seeds few. Capsule opening 

 before the seeds are ripe. 



Violet. <5. July — Aug. Mountains. 12-15 inches. 



Order XLV. RHIZOPHORACEiE 



Sepals united into a 4-lobed calyx. Petals inserted into the 

 calyx and equaling the number of lobes. Stamens equal to, 

 or several times the number of petals, ovary united to the 

 tube of the calyx, l-.2-celled. Fruit 1-celled, indehiscent. 

 Seed solitary, pendulous. 



Genus I. RHIZOPHORA. 



Tube of the calyx obovate. Petals oblong, emarginate, 

 coriaceous. Stamens twice as many as the petals. Anthers 

 nearly sessile. Fruit ovate, longer than the tube of the ca- 

 lyx to which it adheres. Trees. 



1. R. Mangle. Leaves obovate-oblong. Feduncles 2--3 flowered, axillary. 



Mangrove. 



Yellow. Tj. Lousiana. 



Order XL VI. ONAGRACE.E. 



Sepals united into a tubular calyx, the limb generally divided 

 into 4 segments. Petals equal in number to the segments, 

 sometimes wanting. Stamens inserted with the petals, and gen- 



