198 



ANALYSIS OP THE NATURAL ORDERS. 



f Styles and stigmas 3, distinct, (h) 



h Leaves rush-lilie. Ovary of 3 one-seeded carpels. Junoagine^. 139 



h Leaves linear, lanceolate, etc. Ovary 6 — CO -seeded. Melahthacejs. 149 



k Petals yellow, small but showy. Plant aoaulescent. Xteidace^. 153 



k Petals white, minute, fringed. Plant aoaulescent. Eeiooadlonaoij!. 154 



€} Cohort 1. GRAMINOmE^. 



T Flower with a single tract (glume). Culm solid, sheaths entire. CTPEEAOEiB. 155 

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



split on one side. Geaminejb. 156 



H Provincb, ACEOGENS. 



§ Plants'with well developed foliage. (IT) 

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

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

 a Fruit borne at the base of the radical, entire or lobed leaves. Maksileaoe^. 157 

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

 b Fruit axillary, sessile, opening by a slit. Lyoopodiace.e. 158 



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



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

 § Plants with the leaves and stem confounded, thallus-like. \ Hepatic^. 163 



§ Plants with vertieUlate branches instead of leaves, (c) 



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



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



K Province, THALLOGENS. 



Plants aquatic, with a colored thallus. Fruit immersed in the frond. Alg^. 164 



Plants on dry rocks, logs, or bark of trees, th«lloid or granular. Lioohens. 165 



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

 different, all without ohlorophyUe or sterch. Fukci. 166 



HoTK.— Six OrdeFS of the Cryptogamia, Nos. 161-160, are necessarily excluded. In the ful- 

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



