58 . DIDYNAMIA. ANGIOSPERMIA. 
Sm sco 
of affinity it cannot be compared with any other genus, 
notwithstanding its marked distinction. 5 
‘447. MELAMPYRUM. | L. (Cow-wheat.) 
Calia 4-cleft. Upper lip of the corolla com- — 
pressed, margin folded back; lower lip groov ed, 
Beta subequal. Capsule 2-celled, oblique. 
ning on one side; cells 2-seeded. Seeds care {2 
inous, cylindric-oblong. a ; 
‘Herbaceous; leaves opposite, with entire margins; flow- 
ers opposite, often secund, terminally racemose; bractes. 
more or less pinnatifid —(Stamina, i in M. lineare, scarcely 
unequal; anthers cohering longitudinally. Perisperm in 
the form of the seed, cartilaginous, almost resembling & 
grain of wheat, embryon minute, immersed near the sum- 
mit, erect; cotyledones and radical nearly equal.) 
_ . Spucies. 1. M. Uneare. Common. Flowers pale yel- 
ow with a tinge of purple. 2. iatifolivm. Mubhl, Catal. 
_ _ Has. In Delaware—A small genus, and except the pre- 
sent mpents, exclusively mdigenous to Europe. 
448. OROBANCHE. ZL. (Broomrape.) : 
- Calix 4 or 5-cleft, segments often unequal. 
RS Sore. ringent. Capsule ovate, acute, 1-celled, 
of oo Seeds numerous, A gland beneath 
— ae eee of verdure, 
ae, Be peice neg approaching to te, parasitic t : 
Pig the roots of Plants; roots short Pag pa ry =e, 
with scales; stem alternately squamulase, often — 
— flowers bracteate, ae spiked, rarely soli ; 
we ES, te americana. Often growing in vast 
sat the roots of trees in the most shady forests, 
hilac ee eee — 
pubescent; stem very ‘and sim a. 
t nora a. rc 
2 ts recurved, 
amina includ Eo ueaee Tn sandy ailu- 
around Fort oe Sesrdeuns Gar et appa" 
ee renily parasitior Oss. 3 or 4inches* high; flowers very 
- . mumerous and crewded, much Jonger than the bractes. 
ios, 
