INTRODUCTION 



xlix 



Series 2. Hypogyme. Perianth inferior or absent, (pp. 4S3 

 —521-) 



Order 82. Lilidceie. (The Lily Family). — Mostly herb.s with 

 conspicuous, polysymtnetric flowers ; sepals, petals, and carpels 

 3 each ; stamens 6 ; ovary 3-chambered ; seeds 3 or more. 



(P- 483'.) 



Order S3. Juncdccce (The Rush Famil)). — Herbs with cylindric 

 or narrow leaves and small brown flowers ; perianth membranous ; 

 sepals, petals, and carpels 3 each ; stamens 6 ; ovary i — 3- 

 chambered ; I'ruit capsular ; seeds 3 or more. (p. 497.) 



Order 84. Typhacece (The Reed-mace Family). — Erect aquatic 

 plants with long linear leaves and small moncecious flowers in 

 conspicuous spikes or heads ; perianth absent ; stamens many ; 

 fruit i-chambered, i seeded, (p. 503.) 



Order 85. Aro'idea; (The Cuckoo pint Family). — Herbaceous 

 perennials with radical lea^-es, sometimes net-veined and small 

 flowers on a fleshy spadix enclosed in a leafy spathe ; perianth of 

 6 leaves or absent; stamens i — 6; ovary i — 3-chambercd ; ."^ruit 

 berry-like ; seeds few. (p. 506.) 



Order 86. Lemndcetz (The Duckweed Family). — Minute float- 

 ing plants with green thalloid fronds, rarely flowering ; flowers 

 very minute, in a spathe ; stamen i; ovary i-chambered; ovules 



I — /• (P- 5°8-) 



Order 87. Alisindtece (The ^^ ater-Plantain Family). — Water- 

 plants with radical, regularly net-veined leaves and conspicuous 

 perfect flowers ; sepals and petals 3 each ; s"tamens 6, 9, or more ; 

 carpels numerous and distinct, or nearly so, i — 2-ovuled. (p. 509.) 



Order 88. Naiaddceie (The Pond-weed Family). — Aquatic 

 plants, mostly with floating or submerged leaves and inconspicuous 

 flowers ; sepals 4 — 6 or absent; stamens and carpels i — 6 each ; 

 ovules I — 3 in each carpel, (p. 512.) 



Order 89. Eriocdukce (The Pipe-wort). — An aquatic plant 

 with subulate leaves and minute moncecious flowers ; sepals, petals, 

 and carpels 2 each ; stamens 4 ; ovary 2-chambered ; chambers 

 i-ovuled. (p. 521.) 



Sub-Cl.\SS 2. Ghimiferce. — Having no true perianth, but the 

 flowers in the axils of chaft^-like scales (glumes) forming spikelets. 

 (pp. 521—591.) 



Order 00. CyperdacE (The Sedge Family). — Herbs with stems 

 usually solid and triangular in section ; leaves tristichous, linear, 

 with tubular sheaths ; stamens i — 3 ; anthers basifixed ; carpels 

 and stigmas 2 — 3 ; ovary i-chambered, i-ovuled. (p. 522.) 



