I 



41 



l. 



% 





UrticaJ\ 



LXXX. URTICACEiE. 



383 



Ovary 



perianth and inserted at its base when there is one. 

 free, 1- celled. Ovule solitary. FnuY usually an achene^ often 

 several combined and immersed in the persistent fleshy perianths 

 or upon or within large fleshy receptacles. Embryo with the 



radicle superior 



Trees, shrubs, or herbs, with stipules, often 



This has been divided into four 



stinging and sometimes milky. 

 Orders or Sub-orders. 1. Urtice^, containing the iV^e^Ze^, &c., 

 the fibre of the inner bark of some of which is very tenacious. 

 11. Cannaeineje, yielding Hemp from the genus Camiahis^ and 

 a narcotic bitter from the same and also from the Hop. III. 

 MoRE^ (known by the flowers in heads, spikes, or catkins, 

 stamens incurved during asstivation, hooked embryo and fleshy 

 albumen) ; to which belong Morus alha^ producing the MuU 

 lerry ; M. tinctoria^ the dye called Fustic ; Broussonetia or the 

 Paper Midberry. IV. ARXocARPEiE (having the flowers in 

 dense heads, spikes, or catkins, stamens straight during aestiva- 

 tion, a very short radicle, milky juice, and almost always alter- 

 nate leaves), to which are referred the famous Bread-fruit or 

 Artocarpus incisa^ and the Jak- (or Jack-) fruity A. integrifolia ; 

 Antiaris toxicaria^ the celebrated Poison-tree^ or Upas, of Java; 

 and the Galactodendron utile Humb., or Cow-tree, of South 

 America, from which flows a milk which is esteemed a most 

 nutritive beverage by the natives : also Ficus Carica, yielding 

 the luscious Fig ; Urostigma elasticum, one of the plants that 

 produce Caoutchouc or India-rubber; Dorstenia, a species of 

 which is the Contrayerva. 



Ei 



1. Urtica. Stamens 4. Perianth of fertile flowers 2-sepalecl. Stigma 1, 



sessile, penicillate. 



2. Parietaria. Stamens 4. Perianth of fertile flowers 4-cleft. Style 1, 



conspicuous. Stigma 1, penicillate. 



3. HuMULus. Stam. 5. Perianth of fertile flowers a mere scale. Stig- 



mas 2, sessile, filiform.' 



4 



oub-Ord. I. URTICE^. Flowers usually separate from each 

 other. Filaments curved inwards during cestivation, then bend- 

 ing outwards. Anthers inverted in a;stivation. Style and 

 stigma 1. Ovule erect. Embryo straight, in the axis of fleshy 

 {but often thin) albumen. Stipules small. 



1. Uetica Linn. Nettle. 



Monoecious or dioecious. — Barren fl. Perianth of 4 leaves, 



containing the rudiment of a pistil. Stam. 4. — Fertile fl. Pe- 



laim ot 2 leaves, with sometimes 2 external smaller ones or 



wacteas. Stigma 1, sessile, penicillate. Fruit an achene.— 



