ANALYTICAL KEY 



TO THE PLANTS DESCRIBED IN THIS WORK. 



Series I. PHiENOGAMIA. Flowering Plants. 



Plants having true flowers, with stamens and pistils, producing genuine seeds, which 

 contain an embryo. 



Class I. EXOGEIST^. The stem composed of bark, wood, and pith ; the bark increas- 

 ing every year by concentric layers from within, the wood in the same manner from 

 without. Leaves generally netted-veined. Floral envelopes usually in fours and fives. 



Subclass I. ANGIOSPEEM^. DICOLYLEDONS. The pistil consisting of a true ovary 

 containing ovules, the cotyledons two, or in CERATOPHTLLE^ four. 



Division I. POLYPETALiE. Flowers having both calyx and corolla, the latter of 

 separate petals, 



A. The stamens more than 10, or more than twice as many as petals. 

 1 , The calyx free from the pistil or pistils. 

 Pistils generally numerous, separate or united in flower, separate 



in fruit. Page 



Implanted on inner aspect of calyx-tube Kosa, 308 



Implanted on the torus (receptacle or thalamus). 



Stamens implanted on calyx, separate Eosace^, 299 



Stamens adnate to base of petals, 1-adelphous Malvace^, 174 



Stamens implanted on torus. Eanunculacej;:, 34 



Pistils 3-12, united by ovaries, or 1, with 3-6 lobes. 

 Placenta in axis. .......... Ranunculaceje, 34 



Placenta parietal Eesedace^, 110 



Pibtil 1, but styles or stigmas sometimes multiple. 



Ovary 8-30 celled; ovules on septa; aquatics Nymph^ace.«, 48 



Ovary 5-celled ; stamens l-adelphous ; anthers reniform Hibiscus, 179 



Ovary of 5 cells united (at maturity) by twisted styles Monsonia, 190 



Ovary 2-5-celled. 

 Leaves with pellucid or black dots. 



Stamens 3-5-adelphous Hypericine^, 169 



Stamens 12-15, separate Peganum, 199 



Leaves without dots. 



Calyx of 2, fugacious sepals ; fruit a silique. Glaucium, 52 



Calyx imbricated in bud ; sepals 5 ; fruit a capsule. .... Glinus, 165 



Calyx valvate in bud, 5-fid ; fruit a drupe or capsule. . . , Tiliace.e, 180 

 Ovary of 1 true or oo false cells ; sepals 2-3, hood-like, caducous. . Papaverace.e, 49 

 Ovary of 1-2 perfect or 3 imperfect cells ; placentae 3, parietal. . . Cistineje, 114 

 Ovary 1-celled ; placentae 2-8, parietal. 

 Desert shrubs, leaves not dotted ; fruit an ovate, 1-celled pod . . . Cleome, 108 

 Shrubs, leaves not dotted ; stamens separate ; fruit a berry . Cratasva, Capparis, 106 

 Shrubs or herbs ; leaves usually dotted ; stamens 3-5-adelphous ; 

 fruit a capsule. 

 Placentae fixed at base and tip, otherwise free .... Eeaumuria, 168 



Placentae parietal Hypericine.?:, 169 



Ovary 1-celled, placenta 1, parietal. 

 Herbs with palmate, dissected leaves; fruit a follicle . . . Delphinium, 44 



Shrubs or trees, with 2-3-pinnate leaves Acacia, 298 



Shrubs or trees, with undivided leaves Amygdale^, 299 



2. Calyx more or less adherent to compound ovary. 



Ovary in two tiers, lower of 3, upper of 5 cells Granate^, 319 



Ovary 2-5-celled. 

 Leaves pellucid-dotted. Myrtace^, 318 



