2 SYNOPSIS. 



Sttb-Class II. ExoQKHS. — Embryo with two (very rarely four) 

 ootylfedons. Stem solvent, fully exogenous ; differentiated into pith, 

 wood, and bark; pith (cellular tissue) in the centre; fibro-vascular 

 bundles forming a cylinder outside trie pith, and separated into an 

 inner wood-zone and an outer bark-zone, each zone increased by con- 

 centric layers. Leaves net-veined. Floral parts quinary, rarely 

 ternary (Magnolia) or binary ((EnothSra). Oak, Pea, Rose, Mag- 

 nolia. 



OEDEES AND THEIE ALLIANCES. 

 Orders marked with an asterisk * are obscurely allied. 



Series I. — Cryptogamia. 

 Class I. — Thdllogens. Class II. — Acrogens. 



Seaweed Allianee Moss Alliance : 



(including the three Orders of Order 1. Hepaticse. 



the Class) : "2. Musci. 



„ , . f, , -^ , , "3. Characese. 



Order 1. Algse (often phosphores- 



u n Tj?^"*^'/ ft 1, V Fern Alliance : 



" 2. Fungi (often phospho- 

 rescent). Order 4. Filices. 



" 3. Lichenes (often phospho- " 5. Bquisetace^. 

 rescent). " 6. Marsileacese. 



" 7. Lycopodiaceae. 



Phanerogamia. 

 Class 1. — Gymnospdrmse. 



Cone Alliance 



(including the three Orders of the Class) : 



Order 1. Cycadaeese. 

 " 2. Coniferae. 

 " 8. Gnetace*. 



Class II. — Angiospernise. 



Sub-Class I. — Endogens (MoNocoTTLiiDONs). 



n T,. . . f 1. Ovary free. 



2 Divisions 1 2. Ovary adherent. 



C 1 . Ovary simple, or syn- 

 DivisiON I. — Ovary Free. 2 Subdivisions ■! carpous. 



{_ 2. Ovary apocarpous. 



