SYNOPSIS OF THE NATURAL ORDERS. XVU 



B. Ovary 1, inferior. 



•313. Orchidace^. Stam. and style unitedin a central column. 

 312. HydrocharidacejB. Stam. free. Sep. 3. Pet. 3. 

 324. Iridace^. Stam. free, 3. Anth. bursting outwards. 

 Perianth coloured. 



326. Amaryllidack.*;. Stam. free, 6. Anth. bursting in- 



wards. Perianth coloured. Fr. a 3-valved capsule. 



C. Ovary 1, superior. 



I. Perianth like a corolla of 6 petals. 



^29. LiLiACEiB. Fr. dry, bursting with 3 valves. 



327. AspARAGACE^. Fr. succulent, not bm-sting. 



II. Perianth more or less glumaceous, or partly coloured, 

 or none. 



337. JuNCACEiB, Perianth 6-parted. Stam. 6. Fl. herma- 

 phrodite. 



336. Eriocaulace.*;. Perianth 4 — 5-parted. Stam. 2 — 6. 

 Fl. monoecious. 



346. Typhacb^. Fl. monoecious on a spadix. Anth. wedge- 

 shaped, erect ; filaments long. 



348. Arace^. Fl. monoecious, on a spadix. Anth. ovate ; 



filaments very short. 



349. LemnacEjB. Fl. monoecious, 2 in a spath; no spadix. 



355. Naiadace^. Perianth 0. Fl. in 2 rows upon one side 



of a spadix, or solitary. 



Subdivision III. Glumifer^. Leaves parallel-veined, per- 

 sistent. Floral envelopes imbricated. 



356. CyperacejE. Leaves with entire sheaths. Anth. entire 



at the end. 

 381. Ghamine^. Leaves with spht sheaths. Anth. notched 

 at both ends. 



II. CRYPTOGAME.^ or FLOWEELESS PLANTS. 

 Class III. CRYPTOGAME^ DUCTULOS^. 



414. EauiSETACBJ!. Leafless branched plants with a fistular 



stem, with sheaths at the joinings. 

 417- FiLiCES. Leafy plants. Caps, from the veins on the 



underside or at the end of the leaves. 



429. Marsileace^. Creeping plants with slender leaves. 



Caps, globular, 2 — 4-celled. 



430. Lycopgdiace*. Leafy plants. Caps, axillary, sessile. 



431. ChabacejB. Leafless branched plants with a fistular stein, 



not sheathed at the joinings. 



