198 ANALYSIS OF THE NATURAL ORDERS. 



f Styles and stigmas 3, distinct, (h) 



h Leaves rush-like. Ovary of 3 one-seeded carpels. Jonoagine^. 13» 



h Leaves-linear, lanceolate, etc. Ovary 6 — 00 -seeded. MELANTHAOEiB. 149 



k Petals yellow, small bat showy. Plant acaulescent. Xteidaoss. 153 



k Petals white, minute, fringed. Plant acaulescent. Eeiooadlonaok2e. 164 



G Cohort 1. GRAMINOroE^. 



T Flower with a single hraot (glume). Culm solid, sheaths entire. CrPEEAOEiE. 155 

 T Flower with several bracts (glumes and pales). Culm hollow. Sheaths 



split on one side. Gbamins.*. 156 



H Province, ACROGENS. 



{ Plants with well developed foliage. (IT) 

 H Leaves few, mostly ample and from subterranean rhizomes, (a) 

 a Fruit borne on the leaves which are often more or less contracted. Filices. 160 

 a Fmit borne at the base of the radical, entire or lobed leaves. MABsiLEAOEia. 157 

 ^ Leaves numerous, small, mostly spirally imbricated on the stem, (b) 

 b Fruit axillary, sessile, opening by a slit. Ltoopodiace^. 158 



b Fruit mostly terminal and usually stalked, opening by^a lid. Muaci. 162 



^ Leaves numerous, small, imbricated on the stem in 2 rows, i 

 S Plants with the leaves and stem confounded, thallus-like. f IIepaticb. 168 



S Plants with vertioiUate branches instead of leaves, (c) 



c Fruit in terminal spikes, and of one kind only. Equketacs^. 159 



c Fruit lateral, scattered on the branches, and of two kinds. Chaeack^. 161 



K Province, THALLOGENS. 



Plants aquatic, with a colored thallus. Fmit immersed in the i¥ond. Aiaje. 164 



Plants on dry rocks, logs, or bark of trees, thalloid or granular. Liccheks. 165 



Plants growing on decaying organisms. Thallus cotton-like, the fruit very 

 different, all without chlorophylle or starch. Fdnoi. 16S 



Note.— Six Orders of the Cryptogamia, Noe. 161-166, aro necessarily excluded. In the ful- 

 fllmeut of our plan, these extensive Orders will constitute a separate and independent volume. 



