306 DICOTYLEDONOUS. 



Perianth tubular, erose. Stamens 2-3 exserted. Fertile fio- 

 rets ; perianth 1 -flowered, fimbriate or toothed. Style trifid. 

 Capsule 3-celled, 3-seeded. 



1 S Sylvatica. Stem herbaceous, somewhat angled, glabrous, with a 

 milky sap. Leaves sessile, oblong-lanceolate, serrulate, sub-coriaceous lucid 

 on the upper surface. Flowers in a terminal spike, the upper ones sterile, 

 with a few fertile ones at the base. 



11- May— June. Sandy soils. 2-3 ft. 



2 S Sebifera. a small tree with glabrous branches, yielding a milky juice 

 or sap. Leaves alternate, petiolate, rhomboidal, acuminate, entire, with a 

 gland on the petiole. Flowers in terminal spikes with the fertile ones few at 

 the base of the spikes. Involucre 10-12 flowered. Perianth 4-toothed. 

 Styles 3-subulate. Capsule black. Seed white. 



}l June — July. Introduced. 20-40 ft. 



3 S LiGTJSTRiNA. A shrub much branched, glabrous, ieares lanceolate, 

 tapering, entire, petiolate. Flowers m terminal spikes. Sterile florets nu- 

 merous at the summit; fertile ones few at the base. Involucre 1-2 flowered. 

 Perianth 3-cleft. 



T^ May — July. Margins of creeks. 6-12 ft. 



Genus VII. PHYLLANTHUS. 



Monoecious. Sterile florets; perianth 5-6-parted. Fila- 

 ments 6-united. Fertile florets ; perianth 5-6 parted. Para- 

 corolla a 12-angled margin. Styles 3. Capsule 3-celled, 

 3-seeded. 



1 P Caroliniensis. S'^em erect, with alternate branches, glabrous. Leaves 

 alternate, oval, obtuse, smooth, distichous. Flotvers axillary, nodding, fertile 

 and sterile intermingled. Perianth colored at the base. 

 <g) Sept. — Oct. Damp soils. 10-12 in. 



Genus VIII. JATROPHA. 



Monoecious. Sterile florets; perianth funnel-shaped, pe- 

 taloid. Stamens 10, alternately short. Fertile florets ; pe- 

 rianth 5-leaved, expanding. Styles 3, 2-cleft. Capsule 3- 

 celled, 3.seeded. 



1 J Stimulosa. Stem herbaceous, hispid, stinging. Leaves palmately lo- 

 bed, lobes 3-5-toothed, slightly sinuate, ciliate. Fluwers with terminal cymes. 

 Fertile florets setting in the divisions of the peduncles. Sterile florets; peri- 

 anth salverform, pubescent, with a fine cleft border, petaloid, white. Stamens 

 10. Fertile florets ; perianth 5-Ieaved. Style 12-cleft. 

 % Through the summer. Sandy soils. 6-18 in. 



Genus IX. ACALYPHA. 



Monoecious. Sterile florets ; perianth 3-4-parted. Sta- 

 mens 8-16, united. Fertile florets; styles 3, 2-parted. Cap- 

 sule 3-ceIled, 3- seeded. 



1 A. ViRGiNTCA. Stem erect, pubescent, striate, branching. Leaves al- 

 ternate, lanceolate, on short petioles, remotely and obtusely serrate, dotted. 

 Involucre axillary, pubescent, cordate, toothed. Sterile florets in a spike. 



