CLASSES AND DIVISIONS 



. ■ ■ ' •■ OP r. , . 



, BRITISH PLANTS. 



Glass I. DIGOTYLEDONES. 

 ' Div.iL THALAMIFLOEJE. . 

 Petals distinct (rarefy 0), and stamens liypogynoiis . . 1 



Diy,' II. CALYCIFLOP.^. 



Petals distinct or connate, and stamens perigfnouS or epi- 



gynous : J ' 76 



A. Petals and stamens mostly perigynous 76 



B. Petals and stamens epigynous, inserted romid an epi- 



gynbus disk. Oalyi-tube adnata to tlie ovary 145 



Div. III.. CPEOLLIPLOEiE. 



Petals more or less united by their edges. Stafnens mostly ■ 



epipetalous '. 164 



Div. IV. MONOGflLAMTDK/E. 



With only a siigle perianth; i. e. calyx and, corolla not 



distinguishable, or wanting. . , , 28-3 



Div. V. GYMNOSPEEM^. 



Ovules apparently naked. Carpel spread out flat. No 

 ' calyx, nor corolla '. 319 



Class II. MONOCOTYLEDONES. 



Div. L DICTYOGEN^. 



Leaves net- veined. Moral envelope? whorled 321 



Div. IL PLOEID^. 

 Leaves pai^Uel- veined. Floral' envelopes whorled S'2'2 



. '■ Div. III. GLUMIEEEiE. 



Leaves parallel-veined. Floral envelopes imbricate .... 36(S 



Class III. CRYPTdGAMEiE. 427 



