198 ANALYSIS OF THE NATURAL ORDERS. 



f Styles and stigmas 3, distinct, (h) 



h Leaves rush-like. Ovary of 3 one-seeded carpels. JUNCAGINE^E. 135 



h Leaves linear, lanceolate, etc. Ovary 6 GO -seeded. MELANTHACE.<E. 149 



k Petals yellow, small but showy. Plant acaulescent. XYKIDACE.E. 153 



k Petals white, minute, fringed. Plant acaulescent. EBIOCAULONACI:^. 154 



CJ COHORT 7. GRAMINOIDEJB. 



1 Flower with a single bract (glume). Culm solid, sheaths entire. CYPERACE.E. 1 fi- 

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



split on one side. GRAMINEJS. 15<> 



H PROVINCE, ACROGENS. 



Plants with well developed foliage. (H) 



1f 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 Fruit borne at the base of the radical, entire or lobed leaves. MABSILEACEJS. 157 

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

 b Fruit axillary, sessile, opening by a slit. LYCOPODIACEJS. 158 



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



*il Leaves numerous, small, imbricated on the stem in 2 rows. ) 

 Plants with the leaves and stem confounded, thallus-like. \ 

 % Plants with verticillate branches instead of leaves, (c) 



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



c Fruit lateral, scattered on the branches, and of two kinds. CHABACE.E. 161 



K PROVINCE, THALLOGENS. 



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



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



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

 different, all without chlorophylle or starch. FUNGI. 166 



