lxx INTRODUCTION. 
‘Leaves radical, or in a single whorl on the stem . ; ‘ eel. 
( Leaves alternate or opposite : . 100 
Leaves once or twice ternately divided. Flowers ina . small ter- 
minalhead .  ADOXA (p. 207.) 
9 | Leaves entire, rush- like, radical, Flowers. in a terminal umbel, 
Plant aquatic , . ButTOMUS (p. 429.) 
Leaves entire, in a single whorl of four or five. Flowers solitary, 
terminal . ; . : PaRIS (p. 455.) 
[ Leaves orbicular, crenate. Capsule inferior, many-seeded. 
CHRYSOSPLENIUM (p. 170.) 
Leaves entire. Capsule several-seeded . CARYOPHYLLACEZ (p. 58.) 
Leaves entire. Capsule one-seeded . .. ‘ 101 
101 / Leaves small, opposite. Capsule inferior . ScLERANTHUS (p. 370.) 
\ Leaves alternate, with sheathing stipules . Ponye¢onum (p. 384.) 
102) Pesan coloured, and looking likeacoralla j ‘ . 103 
100 
Perianth herbaceous, and ee like a calyx or scales, or en- 
tirely wanting . ‘ 111 
| One or two anthers sessile. on a central column or style. One of 
the six divisions of the perianth different from the others. 
ORCHIDACEER (p. 434.) 
Three to six stamens distinct from the style ; , . 104 
104.2 Leaves opposite or in whorls ; : d ; é } . 105 
Leaves alternate or radical . 107 
Stamens 6, Capsule. two- celled, with several seeds Perris § (p. 157. Bi} 
105) Stamens 5 or fewer. . Ovary inferior | 
Stamens 5. Ovary superior .. . : : d 5106 
gd Capsule one-seeded. Stipules small, scarious. ' ILLECEBRACER (p. 385.) 
Ea Copenile several-seeded, one-celled. No stipules. GLAUX (p. 293.) 
Leaves pinnate, with stipules : : . SANGUISORBA (p. 141.) 
107 « Leaves pinnate or divided, without stipules. UMBELLIFERZ (p. 175.) 
Leaves entire. 4 . 108 - 
one-seeded , . ! : ; . POLYGONACEE gt aso 
No stipules . : : 109 
{ Stamens and divisions of the flower 4, or a : EO 
Fiasue and divisions of the flower 3 or 6. Leaves with parallel 
; Stipules forming sheaths or rings s round the stem. Nut super ior, 
A veins 
Styles 5. Ovary ‘and capsule superior . : | PLUMBAGINER (p. 363.) 
110, Styles 2.. Ovary inferior  . : ; . UMBELLIFER (p. 175.) 
Style 1. Ovary inferior . 3 : : . THESIUM (p. 389.) 
Leaves opposite or whorled. : ; : f : » eee 
111) Leaves alternate or radical . be Pas 8 
Fleshy, articulate, maritime plants, without leaves: " Stamens 1 
or 2. : : : SALICORNIA (p. 371.) 
112 f Leaves linear, whorled. Stamenl . : HirPuRis (p. 174.) 
| Leaves opposite.. Stamens 4,5,or6.  . «. «4 . 118 
113 / Ovary and capsule one- seeded : : - - é idee 
Ovary and capsule several-seeded ; . . 116 
114! Leaves small, with scarious stipules. _ ILLECEBRACEE (p. 368, ) 
LNo stipules ‘ . : ‘ CHENOPODIACEET (p. 371.) 
115 Ovary inferior. Stamens 4 : e ? LUD WIGTA A (Pe 154.) 
Ovary superior . , ce 0% . . : . 116 
