136 TRANS. OF THE ACAD. OF SCIENCE. 
not, therefore, be esteemed stringent ones, but only of a condi- 
tional value. What I find to be far more indicative, is what is 
called Aabit; for, however multiform within an established Or- 
der, still every natural Order, or group of Orders, has its high- 
_ impressive, although scarcely deseribable character of habit. 
y habit, Umbellifere thoroughly eo on the one hand, 
with aadhinies on the other, with Gruinales. From either 
of the other affinities remarked, they are cagleniianiia distinet 
habit—least so from Begonia. Cornee, by habit and imme- 
ate continuity of total correspondences, connect, on the one 
hand, with Nyssa, in fruit and habit representing an epigyn- 
ous olivaceous form; on the other, with Rubiacex, which, 
—. Lonicerea, Hy drangea, and Valerianee, conduct us 
psacee and Composite: so that Corner appear as an 
jm phase intermediate between Tubiflore (Auct.) and 
re meng Ribes, presenting another partial affinity to 
mbellifere, on the one hand, directly connects, by the forms 
endowed with a ne, tubularly produced and petaloid calyx, 
with Fuchsias of o icario-myrtaceous affinity ; on 
the hemos through the mediation of Escallonia, with S$ 
iacee > by — anthero-connectival fabric indicate 
ip wi 
forms, an affinity Saori 2 e serpentariot oid, flexuoso- 
nodulous stem, the liriod aleniirsia stipules, and cissoid and 
Metenicid foliage, of 4 certain Begonia, and, if considered hy- 
pegyacus, d, in their triquetrous capsule, alate 
apetalism, — a starination, repres ca the floral fab- 
we of Ne of aristolochioid affinity, while, <4 
its pitchered leaves, directly belonging to Sarracenias and Di 
onwas. An of to Euphorbias, by a divided 
stigma and inequilateral, spotted foliage, also deserves consid- 
cotven n, but stands jated ; while Euphorbiacee them- 
es by their cupulate forms immediate ately connect with 
on the one hand, and in their crotonoid forms, on the 
other, most er = with Daphnoids. 
. The sb, f Cissus, os ee and habit of — = 
appears to composed | ve tinct bands, or columns, 
ligneous tissue, as in V Vitis, unites the forms of Vitis and of the 
. » nos wous-stemmed Viola species; the whole of the 
of Vir lacez, so abundant in the interior of Gui- 
ae ‘hom 8 specimens, likewise insinuating 
acuminate, oblique-sided, underneath roseate, 
or and certain Viole, an i. also 
Ai , a stein saak poling: ae 
a4 - - thus: “a the owing 
tial file of closest. connections: Umbeliite Araliacee, An 
pelidew, Violaces,. ee 
Parnassia, Droseracee, Am- 
Begoniacee, both of the 
a: palitariously related typ® 
