18 Te pets 1 Excursic to the My tai a of North Carolina. 
uniformly pieeteet, ‘as indeed they are figured by DeLessert, al- 
though DeCandolle has otherwise described them. It isaslender, 
delicate plant, from eight to twelve, or rarely exceeding eighteen 
rte in height, with pure white flowers. “Dacinge this: asenat 
collected Galium latifolium, Michz., } 
‘ia we subsequently found this species so— widely. diffused 
throughout the mountains of North Carolina, that we were much 
surprised at its remaining so little known since the time of Mi- 
chaux. On a moist nahiasiine bank by the road-side, we gathered 
some which did not again occur to 
us. It proves: be: - a species 1 mentioned by Mr. Bentham under 
S. serrata, and cribed by Dr. Riddell with the 
name of Ss. -gaxatilis,* which apparently i is not of uncommon oc- 
currence westward of the Alleghany Mountains. It isa slender 
plant, from six to twenty inches high; and the stems often pro- 
slender subterranean runners from»their base. _We here 
also collected Asarum Virginicum, Linn: in similar situations. 
In the higher mountains, the northern A. Canadense takes the 
place of the former species, while A. arifolium, Michzx. seems to. 
be confined to the lower amueninnd The banks of ae 
——— 
eS SRRATILIS (Ridaell, agit cat. Ohio plante, 1836, P- 14): ‘pilosiu: 
vel subglab ovatis : OS! 
ordato-oblo ngis obtusis, floralibus ovato-oblongis breviter pe- 
tiolatis i integerrimis mequahthie plorumype eilpoinatibainy racemis laxis, floribus op- 
positis pincciay % corolla breviter bilabiata, galea rectiuscula. 
S, serrata diversa tam floribus quam foliis: ad §. violaceam (Ind. Orient.) 
accedere det, ut dixit cl. Benth. (Lab. gen. et sp. p. 434, adnot. sub S. sales 
Corolla semipollicaria, labio inferiore tubo superne amplissimo acs 
poe Pails Achenia valde tuberculosa. 
’s Heterotropa | ined as a distinet stains mi it neslaile, 
ie be, the character must he somewhat modified, and two of our American 
species referred to it; alth hough the name will be unmeaning as applied to the latter. 
According a et the differential characters ters of the two genera may be pre- 
sented as follow niet 
ASARUM. Tourn., Linn. excl. spec. fei 
Pe erigonium eampanulatum, tubo cum ovario connato, limbo tripartite. Stamina 
12: filamenta subulata, libera, vel basi styli subadnata: anther breves, extrorse, 
nectivo longe subalato superate. aor, perigonio adnatum : styliin colum- 
iter concreti, eae papillosis desinentes. 
“erassam 
(Herb —— 
3 
Pa 
. 
