ANALYTICAL KEY. 31 



Page 



Stamens 6 ; anthers extrorse ; bulbous plants Amaryllide^, 774 



2' Ovary superior. 

 * Divisions of Tperigonium 6, 7-arclij 4, nearly alike inform and color. 



Perigonuim glume-like Juncacej:, 810 



Perigonium petal-like. 



Trees with flowers on branched spadix, in spathe Palm e^e, 812 



Climbing shrubs 5 flowers dioecious (rarely perfect); stigmas 3 . . Smilace^,778 

 Herbs or shrubs, flowers perfect, moncecious or polygamous ; styles 1-3 Asparagacea:, 779 

 Cormous herbs; flowers showy on scapes ; capsule septicidal . . CoLCHicEiE, 782 

 Herbs with tuberous, woody, or fibrous roots, or bulbs or rhizomes; 



capsule loculicidal Liliace^e, 781 



* * Divisions of perigonium of 2 sorts, herbaceous or searious sepals and colored petals. 



Glumaceous bracts ; pistils oo , separate ; stamens 6-8 ... Alismace^, 820 



Division II. APETAL^. Perigonium absent or reduced to scales. 



1. Spadiceous. 



Aquatics, immersed, with jointed stems and small flowers . . . Naiadace.-e, 822 



Aquatics, not immersed ; flowers spiked or capitate Typhace^, 814 



Terrestrials ; leaves usually netted-veined ; fleshy spadix in spathe . . Aroide^, 815 

 2. Glumaceous. Flowers in spikelets, each flower subtended by one or two glumelike bracts. 



1 bract to each floweret ; sheaths closed ; stem usually solid . . Cyperace^, 827' 



2 bracts (pales) to each floweret ; the spikelet enclosed in 2 glumes; 



sheaths split ; stem usually hollow GRAMiNEiE, 838 



3. .Aquatics, not spadiceous, nor glumaceous. 

 Minute, stemless, floating, leaf-like plants ; flowers from edge or upper 



surface of frond Lemnaceje, 819 



Plants with distinct stems and leaves; flowers axillary , . . Naiadaceje, 822 



Series II. CRTPTOGAMIA or Flowerless Plants. ACOTYLEDONS. 

 Class III. ACROGEN^E. Plants with a stem containing woody tissue and vessels; 

 leaves when existing veined. 

 Spores-cases on under-surface of leaves, which are sometimes rolled up 



into false cells Eilices, 905 



Spore-cases under shield-shaped, stalked scales of a terminal spike or 



cone ; leaves 0, or a whorl of teeth at joints of stem . . Equisetace^e, 904 

 Spore-cases in axils of simple leaves or bracts Lycofodiace^, 911 



SIGNS USED m THIS WORK. 



An annual plant. 



(D A biennial plant. 



21 A perennial plant. 



5 A shrub. • 



5 A tree. 



The decimals signify parts of a metre. 



The whole numbers signify metres. 



A dash - between figures, as 4-5, signifies to; between words serves 

 to connect them . 



The English names of Genera are in small capitals after the Latin 

 name. The Arabic names of Genera follow the English, in italics. 



The English names of Species follow the signs etc., in Roman 

 type. The Arabic names follow the signs, or the English names (where 

 they exist), in italics. 



