SYNOPSIS OF THE NATURAL ORDERS. xxi 



Exceptions. Leaves net-veined in 79 Dioscore^e, 80 LiltacEjE (1 Paris), and 

 84 Aroideje(1 Arum). Flowers 4-rnerous in 86 jSJAiADACE2E,and2-3-merous 

 in 89 Graminejs. 



1. Microspermete. Perianth 2-seriate, coloured. Ovary inferior, syn- 

 carpous, 1- rarely 3-6-celled,. placentas 3 parietal. Seeds minute, exalbu* 

 minous. 



75. Hydrocharidfje. Flowers regular, 1 -sexual. Perianth 6-partite, 

 outer segments herbaceous, inner petaloid (except in Elodea). Stamens 

 3 or more. Ovary 1- or 3-6-celled. Fruit a berry. — Water plants ; leaves 

 erect or floating, flowers usually conspicuous, (p. 381.) 



76. OrchidEjE. Flowers irregular, 2-sexual. Stamens 1 or 2, adnate 

 to the style. Ovary 1-celled. Fruit capsular. — Herbs of various habit, 

 (p. 383.) 



2. Epigyne^j. Perianth 2-seriate, coloured (except Dioscorea?). Ovary 

 inferior, syncarpous, 3-celled. Seeds large, albuminous. 



77. TridEjE. Flowers 2-sexual. Perianth 6-partite, petaloid. Stamens 



3. separate ; anthers bursting outwards. Ovary 3-celled. Capsule 3- 

 valved. — Herbs ; roots tuberous, or a-ootstock creeping ; leaves narrow ; 

 flowers usually handsome, (p. 395.) 



78. A.MARYLLiDEiE. Flowers 2-sexual. Perianth 6-partite, petaloid. 

 Stamens 6, separate ; anthers bursting inwards. Ovary 3-celled. Capsule 

 3-valved. — Herbs; leaves narrow ; flowers usually handsome, (p. 398.) 



79. DioscoKEiB. Flowers 1-sexual. Perianth small, 6-partite, herba- 

 ceous. Stamens 6 ; anthers bursting inwards. Ovary 3-celled. Berry 

 few-seeded. — Climbing herbs ; leaves broad, with netted veins ; flowers 

 inconspicuous, (p. 400.) 



3. CoRONARiEiE. Perianth 2-seiiate, usually coloured. Ovary superior, 

 syncarpous. Seeds albuminous. 



80. L1LIACE.E. Flowers usually 2 sexual. Perianth usually 6-cleft or 

 of 6 segments, petaloid. Stamens 6, opposite the perianth-segments. 

 Ovary 3-celled. Fruit various. — Herbs (except Ruscus) of various habit ; 

 flowers usually showy, (p. 401.) 



81. JuncEjE. Flowers 2-sexual. Perianth of 6 green or brown seg- 

 ments. Stamens usually 6. Ovary l-3-c«lled with 3 basilar, or many 

 parietal or axile ovules. Capsule 3-valved. — Eushy herbs ; leaves very 

 narrow ; flowers brown, small, (p. 413.) 



82. EriocaulonEjE. Flowers monoecious, in involucrate heads. Pe- 

 rianth membranous or scarious ; outer of 2-3 sepals ; inner 3-lobed 

 or of 3 scales. Stamens 2-3 on the inner perianth-segments. Ovary 

 2-3-celled ; ovule 1, pendulous in each cell. Capsule 2-3-valved. — Usually 

 scapigerous, cellular, marsh or water herbs ; flowers small, dull-coloured, 

 (p. 420.) 



