cxxxvi. URTICACEJ3, (J. D. Hooker.) 479 



Male and fern, beads solitary. Stamen 1. Style 

 2-partite 23. PBAINEA. 



Male and fern, heads solitary. Stamens 2, connate. Style 

 simple 24. KUEZIA. 



TRIBE YIT. "Urticeee. Trees herbs or shrubs, sap watery. Flowers 

 unisexual. Stamens 1-5, inflexed in bud, with the anthers reversed. Style 

 undivided or 0. Ovule erect, orthotropous. 



Subtribe 1. UREREJE. Herbs or shrubs, rarely trees, with stinging hairs. 

 Flowers cymose, 2-5-merous. 



Leaves opposite. Achene straight ; stigma penicillate . 25. URTICA. 

 Leaves alternate ; stipules connate. Achene oblique ; 



stigma ovate or linear 26. FLEUEYA, 



Leaves alternate. Fern, sepals 4. Achene oblique ; stigma 



filiform 27. LAPOETEA. 



Leaves alternate. Fern, perianth tubular, 2-3-toothed . 28. GIBARDINIA. 



Subtribe 2. PROCRIBE^E. Herbs, rarely shrubs, without stinging hairs. 

 Inflorescence cymose, or flowers on a fleshy receptacle. Fern. fl. 3-5-partite. 

 Stigma penicillate. 



* Leaves opposite. 



Flowers cymose or capitellate 29. PILEA. 



Flowers on a discoid receptacle 30. LECANTHTJS, 



** Leaves alternate. 



Flowers all cymose. Fern, sepals longer than the achene 31. PELLIONIA. 

 Flowers all on a fleshy receptacle, fern, perianth small or 32. ELA.TOSTEMA. 

 Male fl. cymose j fern, on a fleshy receptacle ..... 33. PROCRIS. 



Subtribe 3. BOEHMERIEJB. Shrubs or trees, rarely herbs, without stinging 

 hairs. Mowers not involucrate, spicate, fascicled, raceraed, or panicled ; 

 male perianth 2-5-merous, fern, tubular or 0. 



* Fruiting perianth membranous or dry, including the free or adnate achene. 



Shrubs or undershrubs. Stigma filiform, persistent . . 34. BOEHMERIA. 



A herb. Leaves opposite. Stigma ovate, persistent . . ^5. CHAMABAINA. 



Herbs. Flowers 4-merous. Stigma deciduous, filiform . 36. POUZOLZIA. 



A herb. Flowers dimerous. Stigma linear 37. DISTEMON. 



** Fruiting perianth more or less fleshy, including the free or adnate achene. 

 Trees or shrubs ; leaves alternate. 



Leaves narrow. Ovary free; stigma penicillate . . . 38. SAECOCHLAMTS. 



Leaves broad. Ovary free ; stigma linear, deciduous . . 33. PIPTTJEUS. 

 Leaves broad. Ovary adiiate ; stigma sessile, subpeltate, 



ciliate 40. VILLEBRTTNEA. 



Leaves broad. Ovary adnate; stigma penicillate . . . 41. DEBREQEASIA. 



*** Fern, perianth minute or 0. 

 Shrubs. Flowers in panicled clusters \ . 42. MAOT/TIA. 



Subtribe 4. PARIETARIE^. Herbs or undershrubs, without stinging 

 hairs. Leaves alternate, quite entire. Flowers in cymose involucres. 



43. PAEIETAEIA. 

 VOL. v. I i 



