ANALYTICAL KEY. 



# # Perianth adherent only to the base or lower half of the ovary. 

 Stamens 6 ; the anthers turned inwards : perianth covered 



with wool or scurf. 457 



Stamens 6 ; the anthers turned outwards. . . . 472 MELANTHACEJE. 



# # * Perianth wholly free from the ovary (inferior) : 

 *- Its 6 (or rarely 4) divisions similar, and colored alike. 



Perianth glumaceous, i. e. chaffy or husky : rushes. . . 479 JUNCACE.S:. 

 Perianth herbaceous : somewhat rush-like marsh plants : 



anthers turned outwards. .'.-. . 436 JUNCAGINE.E. 

 Perianth petaloid, or at least somewhat colored and corolla-like. 

 Stamens fewer than the lobes of the perianth, or unequal 



and of two sorts : aquatic plants. . : ' w P''- ''."' 483 PONTEDERIACE2E. 

 Stamens as many as the divisions of the perianth and all alike. 



Style 1, undivided (in Tulip no style : stigma 3-lobed). 465 (84) LILIACEJB. 

 Style 1, but 3-parted or 3-lobed. Uvularieae, 472 (86) MELANTHACBJG. 



Styles 3, or sessile stigmas 3, separate. 

 Leaves with tendril-bearing petioles : flowers dioecious. ) 



(461 SMILACE2B 



Leaves whorled : flowers perfect. . . . . > 



Leaves not tendril-bearing nor whorled : anthers 



turned outwards 472 (86) MELANTHACE.S. 



+-+- Its divisions of two kinds, viz. 3 herbaceous or membranaceous sepals and 3 col- 

 ored petals ; not furnished with glumaceous bracts. 



Pistils numerous and distinct ; stamens from 6 to many. 436 ALISMACEJS. 



Pistil (ovary) one, 3-celled, many - several-seeded. 



Style 1. Thick or scurfy -leaved epiphytes. ... . . 458 BROMELIACE^E. 



Styles or sessile stigmas 3. Leaves whorled. . . 461 TRILLIACEJS. 

 Pistil (ovary) one, 2 -3-celled ; the cells 1 -2-seeded. 485 (86) COMMELYXACE.S:. 

 Pistil 1 : ovary 1 -celled, with 3 parietal placentae. . . 487 XYRIDACE^E. 



--*- Its divisions of two kinds, or the inner (corolla) rarely wanting ; the outer 

 (calyx) mostly glumaceous or chaffy ; the flowers also furnished with glumaceous 

 or chaffy bracts. Rush-like herbs : flowers in dense heads. 



Pod 1 -celled, many-seeded, with 3 parietal placentas. . 487 XYRIDACE.E. 



Pod 2 -3-celled, 2 -3- seeded 488 ERIOCAULONACE.E. 



C. GLUMACEOUS DIVISION. Flowers destitute of any proper perianth, except 

 sometimes small scales or bristles, but covered by glumes, i. e. husk-like or scale- 

 like bracts. 



Glume a single scale-like bract with a flower in its axil. 490 CYPERACEJS. 



Glumes in pairs, of two sorts 535 (87) GRAMINBLE. 



