DIDYNAMIA ANGIOSPERMIA: 139 
plain and ere6b, being the length of the upper lip and 
femi-trifid, obtufe and marked in the middle with two 
I eminences. The four filaments are fubiilated, crooked, 
and placed under the upper lip, two of which are fhort- 
I er having oblong antherse. The germen is acuminated, 
I the ftyle fimple and the length of the ftamina, the ftigma 
is obtufe. The capfule is oblong, oblique, acuminated, 
I comprefled, convex in the upper margin and flraight in 
* the lower, is bilocular and has two valves, the diflepi- 
mentum is contrary to the valves opening in the upper 
future, containing two ovate, gibbous feeds. 
' Crifiatum, Crejied Cow-wheat with quadrangular fpikes, 
! cordate, compaft, denticulated, imbricated bradteae. In 
I the woods of Cambridgpi, and Bedford/h, An. ^July. 
I Arvenfe. Purple Cow-wheat v/ith conical loofe Ipikes, 
I dentato-fetaceous bradtes.- An. July. 
I Pratenfe. Meadow Cow-wheat with the flowers on one 
I fide, the conjugations remote, and the flowers fhuu An, 
July, Aug. ^ j - ' ' 
Syhaticum. Yellow Cow-wheat with gaping powers. 
This differs from the preceding, the flowers being fliort- 
cr by half, opening at the limb, and wholly yellow. In 
woods, efpecially where there are oak-trees. An. July., 
Sep. ■ . • 
L A T H R Ai A. Toothwort. 
The cup is monophyllous, campanulated,and upright; 
the mouth is deeply quadrifld. The flower is monopeta-> 
Ions and ringent, the tube is longer than the cup. The 
limb is ringent and ventricofe. The upper lip is con- 
cave, fbaped like a helmet, broad, with a narrow hook- 
ed apex. The lower lip is lefs, reflex, obtufe, and trifid . 
The nedarium is an emarginated glandule depreffed on 
both fides, very fhort, inferred into the receptacle of the 
flower at one angle of the germen. There are four fubu- 
lated filaments the length of the corolla, concealed un- 
der the upper lip. The anthera^ are obtufe, depreffed, 
and connivent. The germen is globofo-compreffed, the 
T 2 ftyle 
