HILGARD—-NATURAL SERIES. 153 
ceo-rhamnoid triad of floral cireuits can be said to! be netenane 
terized by the ea follie id 
The ci rous oad roaitiopans triad, if a triad, 
and not a single pean piers t. be qualified as the truly pin- 
nate, | erous or amygdalinous-seeded one, none of these 
— however, being constant. 
The n: subdivision in apparently fifteen intra-epigynal 
floral c or circuits, and their ‘natural s ubdivision into 
five seins once conceived, I tried to ex ometasoally 4 the 
coincidences of type above detailed. e suggestion, that it 
might be graphically realizable by a sort of ue ontagasaceds _ tk 
pins Rg the parts in question being. 5, a ara organ 
bo conve r alternation (p. 58) of types being “conceived: on 
the mere sig aneseiet of the peponiferous node to the — nta- 
rious, and, next, the geranioid to the acerine, the e ic 
came at once "coincident with the eactoid, the ribestoid ith 
the gymnocladous, the tubiflorously capitate type of Scabiosa 
with the likewise tubiflorously ae one of papilionaceous 
— if ca seineidenees be It as to need 
