HILGARD—NATURAL SERIES. 145 
follicular, drupaceous atthe elements, and a filifo orm, 2 
lately curved embryo of Cuscuta. Hither Limnanthea, ‘with 
annular corolla-tube and basi-gibbous filaments, seem to refer. 
Asclepiades se onwards with Apocynacee, with which 
their affinity with Convolvulacee is were ge Lge A a 
markable apbasidenes in both Asclepiadee an: 
with Bignoniace e we find in the podded fruits, gen ele pe 
centa and wi neater seed: apparent » the type of the tui “a 
ous capsule, as soon as developed to a Sufficient size, . as 
it were, only suppressed, so to say, in the small-fruited forms. 
nacez are tolswed, through the mediation of Vinen 
and others, by Gentianee, through octomerous Chl Nye- 
thes connecting with J asmine®, by habit and floral struc- 
ture closely approximating Ligustrine, Loganiacex and otl 
sub rubioid we back forms as Wigs and Ligustrum the 
piccatoy-ad free, we need not be surprised to find an altern- 
ation of free and tubiflorous petals li ewise in Cornee and 
acee. Nyssa (Tupelo), by its multiplied acetal ud 
&. Hydrangea, and by habit and the color of its epig) 
= an of Viburnum prunifolium. 
