t +\ 
388 = Structural and Physiological Botany, - 
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Pyrola, Clethra); Monotropacee (Monotropa, Lathrea) ; Vacciniacea ( Woes oe 
cinium, Oxycoccos); Epacridee (Epacris); Pyrolacee (Pyrola). . My 
SUB-DIVISION Il. Lfrgynous; ovary inferior. 
Cohort VIIT. CAMPANALEs. Flowers usually irregular, rarely uni- 
sexual or collected into involucrate capitula ; stamens as many as corolla- 
lobes or fewer; ovary 2-6- 
rarely uni-locular ; style simple ; 
stigma often enveloped in a 
sheath : ovules numerous, rarely 
solitary. Herbs or rarely shrubs, 
with exstipulate leaves and often | 
a milky juice. Principal order : 
Campanulacee (Phyteuma, Fast- 
one, Specularia, Campanula, 
Clintonia, Lobelia). . 
Cohort IX.  “ASTERATES, 
Flowers regular or irregular, 
often unisexual and collected into 
involucrate capitula; stamens 
as many as_ corolla-lobes, 
rarely fewer, epipetalous ; ovary 
uni-locular, ovule solitary, for 
rarely 2-3-locular, all buss 
one then barren). Herbs or 
Fic. 498.—Dandelion, Taraxacum officinale ; I. entire plant (natural size); Il. re- 
F ceptacle with fruits (magnified). 2 Be 
shrubs, rarely trees, with exstipulate leaves ; calyx-limb usually re- ‘ 3 
duced to a pappus, or absent. (Figs. 498-503-)] rhe ha 
