DICOTYLEDONES — MONOCHLAMYDE^. 419 



psculent Cassava, The Caoutchouc of Guiana is the inspissated 

 juice of Siphonia elastica. Euphorbia officmarum, Antiquorum 

 and Canai'icnsis give the Euphorbium of the shops. — 1. Mer- 

 cuRiALis, j5. 332. 2, EuPHORBJA, p. 321. 3. Buxus, p. 322. 



Ord. LXXVI. URTICE^ (including Artocarpe;e.) 

 Floivers generally monoecious or dioecious, scattered or amenta- 

 ceous, or aggregated on a fleshy persistent receptacle. Perianth 

 divided, persistent ; or 0. Stamens definite, distinct, opposite 

 the lobes of the perianth. Anthers curved inward in sestivation 

 and often opening with elasticity. Ovary free. Ovule solitary, 

 erect or suspended. Fruit an achenium with 1 seed, often seve- 

 ral combined and immersed in the persistent fleshy perianths 

 or upon or within large fleshy receptacles. Embryo with or 

 without albumsn. — Trees, Shrubs, or Herbs, with stipules, often 

 stinging and sometimes milhj ; — aff'ording Hemp in the tenacious 

 fibre of the inner bark, as in some Nettles, and from the genus 

 Cannabis ; a narcotic bitter from the Hop and Hemp. — The 

 famous Bread-fruit is Artocarpus incisa and the Jack-fruit, A. 

 integrifolia. Ficus gives us the luscious Fig in F. Carica, and 

 Caoutchouc in F. elastica, c^c. Contrayerva is a Dorstenia. Morus 

 alba produces the Mulberry; M. tinctoria, the dye cdWe^A Fustic. 

 Eroussonetia is the Paper Midberry. The famous Poison tree 

 or Upas of Java is Atitiaris Toxicodendron. Galactodendron 

 iBrosimum, Don) utile is the Cow-tree of South America, from 

 which flows a milk which is esteemed a most nutritive beverage 

 by the natives. — 1. Urtica, p. 323. 2. Parietaria, p. 56. 3. 

 HuMULUs, jo. 331. 



Ord. LXXVI I. ULMACE^. Flowers perfect or polyga- 

 mous, not in catkins. Perianth campanulate, inferior, often 

 irregular. Stamens definite, inserted into the base of the peri- 

 anth, and opposite to its segments, erect in sestivation. Ovary free, 

 2-celled. Ovules solitary, pendulous. Stigmas 2. Fruit 1- or 2- 

 celled, indehiscent and membranaceous, or drupaceous. Seed soli- 

 tary, pendulous, without albumen. — Trees or Shrubs, near/j/ allied 

 to \Ji-\\ce^,tvith scabrous alternate stipidated leaves. — Ulmus,j3. 85. 



(PiPERACE^. Piper nigrum is the Pepper of the shops : P. Betle, 

 the Betel.) 



(JuGLANDiNE.E. The Wulbiut- Trcc, though cultivated in England, 

 is not indigenous to this country, but a native of Persia, the Levant and 

 Caucasus. Carga, a tree peculiar to North America, bears the difiterent 

 kinds of Hickory and JBuiter-Nut.) 



Ord. LXXVIII. AMENTACE^E. Floiuers monoecious or 

 difficious, rarely perfect. Barrenfowers capitate, or amentaceous. 

 Stamens inserted upon the scale, frequently monadelphous. An- 

 thers 2-celled. Fertile flowers fascicled, solitary or in close cat- 

 kins. Ovary simple, rarely compound. Stigmas 1 or more. 

 Fruits as many as there are ovides, bony or membranaceous. 



