2o6 



APPENDIX I 



Series MlCROSPERME^E 



Order 78. Hydrocharidaceae. — Aquatic plants, 

 floatiiijir or submerged; flowers rejjular, i-sexual; 

 perianth 6-partite, in 2 series, inner petaloid ; 

 stamens 3 or more, epiicynous; ovary inferior; 

 I- or 3-6-locular; styles free; fruit a berry. 



Order 79. Orchidaceae. — Herbaceous plants; 

 roots tuberous ; flowers in spikes, 2-sexual, irrejju- 

 lar; sepals 3, reversed ; petals 3, 2 above, i below, 

 spurred as a rule; stamens i or 2, adnate to style; 

 ovary i-tocular; ovules many, placentas 3, parietal; 

 fruit a capsule ; seeds numerous, minute. 



Series Epigvne.e 



Order 80. Iridaceae. — Herbaceous plants; with 

 rhizome or corm ; leaves equitant, ensiform, &c.; 

 flowers 2-sexual, regular; perianth tubular, 6- 

 partite, petaloid, in 2 rows as a rule; stamens 3, 

 epigynous ; anthers extrorse; ovary 3-locular; 

 ovules numerous; placentse axile; stigmas 3, 

 sometimes petaloid; fruit a capsule. 



Order 81. Amaryllidaceae. — Herbaceous plants, 

 bulbous; leaves narrow; flowers regular, bisexual; 

 perianth superior, 6-partite, petaloid; stamens 6, 

 distinct on base of perianth-tube; with corona 

 sometimes; anthers introrse; ovary globose, 3- 

 celled; ovules many; placenta axile; truit a cap- 

 sule, 3-valved. 



Order 82. Dioscoreaceae. — Herbaceous plant, 

 twining; plant diceeious, leaves alternate, net- 

 veined; flowers unisexual, in axillary racemes; 

 perianth petaloid, superior, 6-partite ; stamens 6, 

 on perianth-segments; anthers introrse; ovary 

 inferior, 3-ceIled; styles 3; fruit a berry; seeds 

 few. 



Series CORONARIE.* (and see Order go) 



Perianth in 2 series, petaloid or not ; ovary 

 superior, syncarpous; seeds albuminous. 



Order S3. Liliaceae. — Herbaceous plants, rarely 

 evergreen undershrubs; flowers bisexual as a rule 

 and regular; periantli petaloid, inferior, 6-partite; 

 stamens 6, hypogynous, or on the perianth; anthers 

 introrse; ovary 3-celled, superior; ovules several 

 in each cell; styles i or 3: fruit a capsule or berry. 



Order 84. Juncaceae. — Herbaceous plants, with 

 grass habit; leaves narrow, slender, flat or chan- 

 nelled; flowers bisexual; perianth 6-partite, seg- 

 ments membranous, sepaloid.glumaceous; stamens 

 6, on base of segments; anthers 2-celled; ovary 

 1-3-locular, ovules 3, or many; placenta; axile, 

 parietal, or basal; fruit a capsule, 3-valved. 



SuB-CL.\ss H. — Spadiciflor.e (A'lidiJiorcE) 



Perianth rudimentary or wanting; ovarj' supe- 

 rior, syncarpous or i-carpellary; flowers unisexual, 

 in spadix with or without spathe. 



Order 85. Typhaceae. — Plants aquatic or marsh 

 plants, herbaceous; leaves linear, rigid; sheathed 

 below; flowers in spadix without spathe; pl.ants 

 monoecious; perl.anth of scales or hairs, or absent; 

 stamens 3 or 6; filaments long; anthers wedge- 



shaped, basifixcd; ovary 1-2-cclled, superior; style 

 persistent; ovule i, pendulous; fruit a utricle or 

 drupe. 



Order 86. Araceae (Aroide<e). — Herbaceous 

 plants; leaves net-veined, broad; flowers in spadix, 

 with spjilhe; flowers 1-2-sexual; perianth 6-parlite, 

 hypogynous, scale-like, or none; stamens 6 or 

 fewer; tilaments short, or none; anthers extrorse; 

 ovary superior, i- or more celled; fruit a berry; 

 seeds few or many. 



Order 87. Lemnaceae. — Plants aquatic, floating, 

 leafless, frondose, proliferous, sm^ill, cellular; 

 flowers in hollow of frond; plants monoecious; 

 flowers in spathe, 1-3; perianth none; stamens 

 1-2, distinct; ovary i-celled; style short; stigma 

 simple; fruit not opening; carpel i. 



Sub-class I. — Petaloidk.« (and see Orders 

 78-84 



Series Apocarpe.c 



Order 88. Alismaceae.— Aquatic or marsh plants; 

 leaves mainl\' ra(_lic:il, net-veined ; flowers usually 

 bisexual; perianth 6-partite, wholly or in part 

 petaloid; stamens 6 or more, hypogynous; ovary 

 superior, 3-6 or more, distinct carpels; fruit 

 aggregate of achenes or follicles. 



Order 8g. Naiadaceae. — Aquatic or marsh 

 plants, herbaceous; leaves floating or submerged, 

 parallel-veined ; hermaphrodite, monoecious or 

 dioecious; perianth of 4 scales or none; stamens 

 1-4, hypogynous; ovary superior; carpels 1-4, 

 apocarpous; ovule i; fruit i-celled, i-sceded. 



Series CORONARIE^ (and see Orders 

 83 and 84) 



Order 90. Eriocaulonaceae. — Herbaceousplants; 

 leaves linear, with grass habit; flowers i-sexual, 

 small, in head, with involucre ; perianth of 2-6 

 scales, 3 inner, 3 outer; stamens 2-6; anthers 

 2-celled; ovary 2-3-celled, superior; ovule I, pen- 

 dulous; stigmas 2-3; fruit a capsule, 2-3-valved. 



SiB-CLASS HI. — Gli'MACE.* (Gliimijlora in part) 



Flowers in spikes, with glumes; perianth of 

 scales or absent; ovary i-celled; ovule 1; styles 

 2-3; stigmas 2-3. 



Ordergi. Cyperacei. — Plants herbaceous, with 

 grass habit; stem 3-angIed, solid; leaves in 3 

 ranks; sheaths entire; flowers 1-2-sexual, in axils 

 of glumes of spikelets; perianth of hypogynous 

 scales or 3-6 bristles; stamens 1-3; ovary i-locu- 

 lar; style 1; stigmas 2-3; ovule i; fruit a nut or 

 achene. 



Order 92. Graminaceae. — Plants herbaceous, 

 grass-like; stem hollow between nodes; leaves 

 in 2 rows; sheaths split; flowers 2-sexual as a 

 rule, sessile, in spikelets; enclosed in glumes and 

 palese ; perianth of scales or none ; stamens 3 ; 

 anthers versatile; ovary i-locular; stigmas 2, 

 fcither}' ; style none; ovule i; fruit a car\'opsis 

 or false achene. 



