INTRODUCTION xlvii 



dioecious flowers ; sepals 2 — 4, persistent ; stamens 4 ; fruit berry- 

 like, (p. 425.) . ^ 



Order 67. Urticdcea (The Nettle Family). — Trees, shrubs or 

 herbs with tough inner bark ; simple, usually stipulate and serrate 

 leaves; and small flowers; sepals i — 8; stamens 4— 8; carpels 

 I — 2 ; ovary sometimes 2-chambered. (p. 425.) 



§ Ovary inferior 



Order 68. Aristolochidcece (The Birthwort Family). — Herbs 

 and climbing shrubs with scattered simple leaves and perfect 

 flowers, sometimes monosymmetric ; sepals 2 — 3, sometimes 

 coloured; stamens 6 — 12; ovary 4 — 6-chambered; ovules many. 



(P- 430-) 



Order 69. Loranthdcece (The Mistletoe). — A green, parasitic, 

 much-branched shrub with opposite, simple, entire leaves ; incon- 

 spicuous dioecious flowers and white viscid berries ; sepals and 

 stamens 4 each; ovary i-chambered, i-ovuled. (p. 431.) 



Order 70. SantaldcecB (The Bastard Toad-flax). — A slender, 

 perennial, herbaceous, prostrate root parasite, with scattered, linear 

 leaves and inconspicuous perfect flowers ; sepals and stamens 

 4 — 5 each; ovary i-chambered ; ovules 3 ; fruit dry, i-seeded. 

 (P- 433-) 



Series 2. Achlamydece. — Calyx and corolla both absent ; ^ 

 flowers imperfect, (pp. 434-456.) 



§ Flowers not in catkins 



Order 71. Empetrdcece. (The Crowberry). — An evergreen 

 mountain shrub, resinous, with scattered narrow leaves ; incon- 

 spicuous, dioecious flowers ; and a drupaceous fruit ; perianth of 

 6 scales ; stamens 3 ; overy 6 — 9-chambered ; ovules i in each 

 chamber, (p. 434.) 



Order 72. Euphorbidcece {The Spurge Family). — Trees, shrubs, 

 or herbs generally with milky juice ; leaves scattered, simple ; 

 flowers inconspicuous, sometimes in cup-Hke involucre ; stam.ens 

 I, 4, or 8 — 20 ; carpels 2 — 3 ; ovules i — 2 in each carpel. 



(P- 435-) 



Order 73. Ceratophylhce (The Hornwort Family). — Sub- 

 merged herbs with whorled dichotomous leaves and minute 

 monoecious flowers; stamens 12 — 20; ovary i-chambered, 

 i-ovuled. (p. 442.) 



§§ Flowers in catkins 



Order 74. MyricdcecB (The Bog-Myrtle). — An aromatic marsh 

 shrub with scattered simple leaves, inconspicuous flowers and a 



1 Exept in the Box and the Mercury (Euphorbiaceae). 

 d 



