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 MELAMUACE/E. 



* * =fc 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-as. 

 Perianth herbaceous : somewhat rush-like marsh plants : 



anthers turned outwards. . . . . 436 JUNCAGIXEJS. 



Perianth pctaloid, or at least somewhat colored and corolla-like 

 Stamens fewer than the lobes of the perianth, or unequal 



and of two sorts : aquatic plants. . . . 483 PONTET^EUIACEJE, 

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



Style 1, undivided (in Tulip no style: stigma 3-lobcd). 465 (84) LILIACE..E. 

 Style 1, but 3-parted or 3-lobed. UvularieiB, 472 (86) MELAKTIIACK^E. 



Styles 3, or sessile stigmas 3, separate. 



Leaves with tendril-bearing petioles : flowers dioecious. { 



( 461 SMI LA OB JB 

 Leaves whorled : flowers perfect. . . . . ) 



Leaves not tendril-bearing nor whorled : anthers 



turned outwards 472 (86) MELANTHACEJB. 



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



ored petals ; not furnished with glumaceous bracts. 



Pistils numerous and distinct; stamens from 6 to many. 436 ALISMACE^E. 



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



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



Styles or sessile stigmas 3. Leaves whorled. . . 461 TKILLIACE.K. 

 Pistil (ovary) one, 2-3-celled ; the cells 1-2-sceded. 485 (86) CoaiMELYXACEJS. 

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



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

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

 or chaff >j bracts. Rash-like herbs : flowers in dense heads. 



Pod 1-celled, many-seeded, with 3 parietal placentae. . 487 XYRIDACEJC. 

 Pod 2 -3-cellcd, 2- 3-secdcd 488 ERIOCAULOXACKJS. 



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

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

 like bracts. 



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



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



