OF THB ORDERS. 
XXV 
Carpels combined in a solid pistil. 
Petals quite distinct from the calyx 
Petals undistinguishable from the calyx 
Sepals corolline. 
Carpels more or less separate. 
Seeds solitary .... 
Seeds numerous. 
A-nthers turned outwards 
Anthers turned inwards. 
Floral envelopes 6 
Floral envelopes 2 
Carpels combined in a solid pistil. 
Petals rolled inwards after flowering . 
Petals not rolled inwards after flowering. 
Flowers with external appendages. . 
Flowers without external appendages. 
Leaves equitant . 
Leaves flat 
Leaves with netted veins. 
Fruit 1 -celled . . . . 
Fruit 3 -celled .... 
. CoMMELINACE^, p. 354. 
. JuNCACEiE, p. 356. 
. Palmace/E, p. 343. 
. Melanthace^, p. 347. 
. BUTOMACEiE, p. 355. 
. Philydrace^, p. 357. 
. PONTEDERACE^, p. 347. 
. GiLLIESIACEiE, p. 348. 
. HiEMODORACE^, p. 330. 
. LlLIACEiE, p. 351. 
. Roxburghiace^, p. 360. 
. Smilace^, p. 359. 
** Floiver incomplete (having no distinct floral envelopes except leaves). 
§ Flowers glumaceous. 
Stems hollow 
Stems solid. 
Carpel solitary. Seed erect 
Carpel solitary. Seed pendulous 
Carpels several, distinct 
Carpels several, combined. 
Placentae parietal 
Placentae central 
. Graminace^, p. 369. 
. Cyperace^, p. 384. 
. Restiace^, p. 386. 
. Desvauxiace^, p. 386. 
. Xyridace^, p. 388. 
. Restiace^, p. 386. 
§§ Flowers naked; or with a few verticillate leaves. 
t Flowers on a spadix. 
Flowers in spires alternately male and female 
Flowers not in spires. 
Fruit drupaceous .... 
Fruit berried. Leaves in the bud convolute 
Fruit dry. Leaves in the bud equitant 
Fruit dry. Anthers clavate on weak filaments 
. Cyclanthace^, p. 362. 
. Pandanace^, p. 361. 
. Arace^, p. 363. 
. Acorace^, p. 365. 
. TYPHACEiE, p. 365. 
ft Flowers not on a spadix. 
Floaters. Ovules pendulous .... Naiadace^, p. 366. 
Terrestrial. Ovules erect ..... JuNCAGiNACEiE, p. 367. 
Floaters. Ovules erect ..... Pistiace^e, p. 367. 
Class IV. RHIZANTHS. 
Leaves, if any, scale-like. Stem homogeneous, with scarcely any trace of a vas- 
cular system. Flowers with sexes. Seeds having no embryo, but consisting of 
a homogeneous sporuliferous mass. 
Sepals several. Placentae parietal 
Sepals 4. Placentae parietal . 
Sepals 0, Stamens combined. Placentae central 
Sepals 0. Stamens distinct. Placentae central 
. Rafelesiace^, p. 392. 
. Cytinace^, p. 392. 
. BalanophoracejE, p. 393. 
. Cynomoriace^e, p. 394. 
c 
