INTRODUCTION xlvii 



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

 like, (p. 425.) 



Okdkr 67. Ui'tkacece (I'he Nettle Family). — Trees, shrubs or 

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

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

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



§§ Ovary inferior 



Order 68. Arislolochiiicete (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- 43°-) 



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

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

 spicuous dicecious flowers and white viscid berries ; sepals and 

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



Order 70. Santaldcece (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. Achlami-dea. — Calyx and corolla both absent;' 

 flowers imperfect, (pp. 434-456.) 



§ Flowers not in catkms' 



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

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

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

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

 chamber, (p. 434.) 



Order 72. jEupho7-bidi:e<z (Tht Spurge Family). — Trees, shrubs, 

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

 flowers inconspicuous, sometimes in cup-like involucre ; stamens 

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



(P- 43S-) 



Order 73. Ce?-atophyllea! (The Hornwort Family). — Sub- 

 merged herbs with whorled dichotomous lea\es and minute 

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

 i-ovuled. (p. 442.) 



§ § Flowers in catkins 



Order 74. Mxrudce^B (The Bog-lNIyrtle). — An aromatic marsh 

 shrub with scattered simple leaves, inconspicuous flowers and a 



i Exept in tbe Box and the Mercury (EuphorbiaceEe). 



d 



