SYNOPSIS OF THE NATURAL ORDERS. XV11 



B. Ovary 1, inferior. 



313. ORCHIDACE.E. Stam. and style united in a central column. 

 312. HYDROCHARIDACE.E. Stam. free. Sep. 3. Pet. 3. 

 324. IRIDACE^E. Stam. free, 3. Anth. bursting outwards. 

 Perianth coloured. 



326. AMARYLLIDACE^E. 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. 



329. LILIACE.E. Fr. dry, bursting with 3 valves. 



327. ASPARAGACE.E. Fr. succulent, not bursting. 



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



or none. 



337. JUNCACE^E, Perianth 6-parted. Stam. 6. Fl. herma- 

 phrodite. 

 336. ERIOCAULACE^E. Perianth 4 5-parted. Stam. 2 6. 



Fl. monoecious. 



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

 shaped, erect ; filaments long. 



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



filaments very short. 



349. LEMNACE^E. 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^E. Leaves parallel-veined, per- 

 sistent. Floral envelopes imbricated. 



356. CYPERACE^E. Leaves with entire sheaths. Anth. entire 



at the end. 



381. GRAMINE.E. Leaves with split sheaths. Anth. notched 

 at both ends. 



II. CRYPTOGAME^E or FLOWERLESS PLANTS. 

 Class III. CRYPTOGAME.E DUCTULOS^E. 



414. EQUISETACE^K. 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^E. Creeping plants with slender leaves. 



Caps, globular, 2 4-celled. 



430. LYCOPODIACE.E. Leafy plants. Caps, axillary, sessile. 



431. CHARACE^E. Leafless branched plants with a fistular stein, 



not sheathed at the joinings. 



