FAM. 101. 83 



T. ureas unnocual. Downy, low herb with nearly sessile leaves and slender 

 racemes surpassing them in length; sterile flowers with 4 sepals a:: I I 

 mens. 



7. Pistillate flowers and capsules sessile. --_--_» g 



8. Receptacle with 3 horns; — smooth monoecious plants with millcy 



juice, and alternate leaves often with 2 glanis at the base; sterile 



flowers several together, with 2-3 toothed calyx and 2-3 exser: 



stamens; fertile flowers solitary or few, with 3-lobed calyx an i 



stout style. - Stillingia, Queen's Delight, Queen-root 



S. sylvatica. Stout herb, umbcllately branched above; leaves lanceolate to 

 obovate. crenulate; spikes yellowish, longer than the leaves. Dry soil. 

 Spring to Fall. 



S. aquatica. Shrub with umbel-like top; leaves linear, finely serrate, the upper 

 ones yellowish; spikes not longer than the leaves. In and about pine-barren 

 ponds. Spring to Fall. 



8. Receptacle with a central column; — dioecious or monoecious shrubs or 



trees with alternate or opposite entire leaves; flowers in spikes 

 or racemes; calyx 2-3 lobed, corolla wanting; stamens 2-3 with 

 distinct filaments; styles 2-3 slightly united below; ovary 2-3 

 celled, ovules solitary in each cell; fruit a capsule. - - Sapium 



S. sebiferum, FaltnHtiM, A large tree with rhombic leaves, deep green in 

 summer, brilliantly colored in autumn; flower-spikes terminal. Spring. 

 Cu 



9. Leaves peltate; — tall, glabrous, monoecious herbs with large, peti- 



oled. palmately-lobed leaves; sterile flowers with a 3-5 parted 

 calyx and numerous stamens; fertile flowers with a caducous 

 calyx. 3-celled ovary, and 3 red styles united below and 2-cleft; 

 fruit usually spiny, consisting of three 1-celled, 1-seeded. 2- 

 valved carpels. ------- Ricinus, Castor-Bean 



R. communis, Palma Christi. Stem branched, leaves large 6-11 lobed; racemes 

 in the forks of the stem opposite the leaves; seeds shining, mottled. Cul- 

 tivated and escaped. Summer and Fall. 



9. Leaves not peltate, _-_--_---- io 



10. Plants wild; — stinging bristly herbs and shrubs, with alternat 



petioled, lobed leaves; flowers in cymes, thj sterile mm with a 

 corolla-like 5-lobed calyx, stamens 10-30 in series, filaments united 

 below; fertile flowers in the lower forks of the cymes, ovary 3- 

 celled. styles united below; fruit separating into 2-valved car- 

 pels. ---------- Cnidoscolus 



C. stimulosus Jatropha stimulosai, Spurge Settle. Bright-green foliage, 3-3 

 lobed; calyx of sterile flowers salver-shaped, white, sometimes pinkish. Dry 

 sandy soil. Spring to Fall. 



10. Plants cultivated, -------- . • H 



11. Flowers in forked cymes, corolla present; — herbs with angled or lobed 



leaves; sepals and small petals 5; stamens 10; ovary 2-3 celled, Jatropha 

 J. multifida. Leaves 9-11 lobed; flowers scarlet. 

 11. Flowers in racemes or panicles; corolla absent; — herbs or shrubs 

 with alternate, entire or 3-7 lobed leaves; flowers with 5-toothed 

 calyx; the sterile with 10 stamens in two series, the fertile with 

 3 styles slightly united; capsule 3-celleJ. with seeds solitary 

 in each cell, --------- Mamhot 



