DICHOTOMOTJS ANALYSIS. 199 



189. Flower? gynandrous OrcMdacece, 122 



Stamens and pistils separate 190 



190. Ovary inferior ]91 



Ovary superior 199 



191. Veins of (he leaves reticulated Dioscoreacece, US 



Veins of the leaves parallel 11/2 



192. Veins diverging from the midrib MarantacecB, 123 



Veins parallel with the midrib 193 



193. Stamens i II'/droch.<iridace<e, 121 



Stamens 8 19-1 



Stamens 6 196 



19-1. Flowers yellow Hc&modoracem, 126 



Flowers "not yellow 195 



195. Leaves minute, subulate Burmanniacece, 125 



I Leaves large, ensiform Iridacece, 124 



196. Parasitic, growing on trees Bromeliacem, 129 



Not parasitic 197 



197. Flowers yellow 193 



Flowers hot yellow Amaryllidacece, 127 



19S. Leaves grass-like Ilupocridacem, 12S 



Leaves ensiform Hamodoraceai, 126 



199. Carpe's separate AHamacece, 137 



Carpels united 200 



200.- Sepals and petals distinct 201 



Sepals and petals confounded 203 



201. Stigma 1, leaves with parallel veins Commrtynacetv, 106 



Stigmas 3, or 3-cleft 202 



202. Leaves linear, ensiform Xi/ridacea; 133 



Leaves broad, reticulately veined Trilli(u:ea>, 120 



203. Flowers brownish Juncacece, 134 



Flowers colored 204 



204. Leaves fan-like Palmacece, 1 35 



Leaves simple 205 



2 5. Leaves reticulately veined Smilacece, 1 19 



Leaves parallel veined 206 



206. Anthers extrorse Mela nth a rem, 131 



Anthers introrse Liliacece, 130 



207. Flowers glumaceous .• 216 



Flowers not glumaceous 208 



2CS. Flower? on a spadix 209 



Flowers not on a spadix 213 



209. Fruit succulent Aracea, 188 



Fruit dry 210 



210. Capsule 3-celled. manv-seeded 211 



le 1-celled, 1-seeded 212 



211. Flowers pale yellow Aracece, 13S. Acorus. 



Flowers blue or white Pontederiacece, 132 



212. Leaves ensiform. marsh plants Aracece, 13S 



Leaves not ensiform, water plants Xaiadacece, 139 



213. Floating plants Aracece, 133 



Land plants 214 



214 Flowers in small denslhieads lie-stiaeeai, 140 



Flowers not in small dense heads 215 



215. Stamens 6 Jnncacea\ 1 3 t 



Stamens less than 6 Alismace^ 



216. Stem solid CyperacefiB, 141 



Stem round and hollow fframinaoea. 142 



