56 ANGIOSPERM^. 



Trop. Am. 2. Stillingia sebifera, Tah-ow Tree. 30°-40° high. 

 Lvs. entire, otlong. Sds. white, yielding a fine wax. China. Natu- 

 ralized in S. C. S. ligustnna, shrub, N. C, S. 3. Hippomane mayi- 

 cinella, Manchineel. Tree 40°-50° high. Lvs. shining green. Fls. 

 jP, spicate. Tr. a yellow berry ; juice of any part of the tree or fr. 

 deadly poisonous. W. Ind., Venezuela, Panama. 4. Codiaeum. 

 I"ls. |;P, J> polyandrous. Shrubs with beautifully painted leaves. 

 Several species. C. pictum, Moluccas ; used for hedges. 5. J^tropha. 

 Fls. J>, monochlamyd., calyx white, showy. Infl. cymose. Boll 3- 

 celled; covered with stings. J. stimulbsa, Bull-Nbttlb, Tread- 

 softly. Q|. herb ; lvs. large, palmate-lobed, with lacerated segments, 

 spreading in a crown, in the centre a large showy cyme of white fls. 

 Handsome plant, but beset with stings. Sands, shores of Gulf of 

 Mexico. 6. Minihot. Fls. ^p, paniculate. Shrubs with fleshy 

 tuberous roots. Many species, all American ; two of which furnish 

 the Mandioo or Cassava of commerce: M. utilissima, Bitter Cas- 

 sXva; rts. bitter, but made wholesome by preparation ; and M. Alpi, 

 Sweet Cassava; rts. wholesome from the first. Trop. Am. 



Tribe 5. — Ovarian cells 1-ovuled. 1. Ricinus. Fls. ^p, mono- 

 chlamyd., in panicled clusters, ? above. Sta. polyadelphous. Boll 

 large, prickly, 3-seeded ; sds. bug-like. Lvs. large, 7-lobed. R. com- 

 munis, Castor-oil Plant, Palma Christi. Tree, or herb, accord- 

 ing to climate (see Lesson XV.) ; 15°-20° high, and perennial in trop. 

 countries, annual in cold climates. Sds. furnish the castor-oil of phar- 

 macy. Ova., Fig. 195, C ; boll. Fig. 203, A. 8. Acalypha, Three- 

 seeded Mercury. Fls. jP, spicate; J* above, or on a separate 

 spike. 100 species, chiefly S. Am. Trees, shrubs, herbs ; lvs. nettle- 

 like. A. rubra, the beautiful little Stringwood Tree of St. Helena, 

 has lately become extinct; its sterile string-like spikes of red fls. 

 were a foot long. Other and similar species in both worlds. A. 

 virginica, A. carolinidna, Southern weeds. 3. Tragia. Fls. jf>, race- 

 mose. Lvs. serrate or lobed. % herbs or undershrubs, sometimes 

 climbing. T. macrocdrpa, urticcefdlia, urens, are Southern weeds. 

 4. Coelebogyne, Virgin Plant. Described, Lesson XXV. C. ilici- 

 folia. Fls. 9 (^, monochlamyd. Shrub resembling Holly. _ c? ^f- 

 spicate, with 4 to 8 stamens. 9 ^^- '" cymes. N. Holl. 4. Siphonia 

 (Hevea). Fls. ^, monochlamyd., panicled, 9 above. Lvs. ternate. 

 Trees from 25°-100° high. 6 species, S. Am. S. eldstiea, French 

 Guiana ; S. brasilUnsis, S. Mitea, S. brevifbUa, the three last 100° high; 

 milk is the Caoutchouc or India Rubber of commerce. Para, 

 Amazon. 



Tribe 6. — Ovarian cells 1-ovuled. 1. Croton. Fls. ^, 5-merous ; cf 

 diohlamyd., 9 monochlamyd. Fr. 3-coccous. Many species, herbs or 

 trees. C. Tiglium, a tree; sds. yield Croton Oil. Ind. Arch. 



Tribe 7. —Ovarian cell 2-ovuled. (^ calyx valvate. Bridelia. 



Tribe 8 Ovarian cell 2-ovuled. ri' calyx quincuncial. 1. Aporosa 



(Scepa). Fls. ,^ 9- Monochlamyd., in catkins. 12 species, trees 

 or bushes, Ind., Java. Aporosa (or Scfepa, or Lepiddstachys) Rox- 

 b%irghii, Kokra Tree, wood valuable. 2. PhyllAnthus (Xylophylla). 

 Fls. fP, monochlamyd., clustered. Many species, herbs or trees, hot 

 regions, both worlds. P. (Xylophylla) montdna, laii/blia, are curious 

 from the leafless stems which are expanded into leafy shapes, with the 

 fl. clusters on their margins. W. Ind. 



