( ^ 9 ^ ) ! 
Pentapterophyllon, Pondweed. The flalks 
rife about a palm above the water, and are en- J 
compalTed at each joint v/ith five wings of thin 
triangular leaves, fcarce an inch long, compo- 
fed of many capillaceous lobes : 'Phey bear 
as many flowers as wingy leaves at every joint ; 
each flower confifcs of four petals, and each 
petal is cut in fuch a manner, that it appears to 
' be two petals. We have but one fpeciesof this i 
plant, viz. 
Tentapterophyllon aquaticum flofculis ad foliorum \ 
nodos.^ R. 316. millefolium aquaticum minus P. 1257. . 
aquaticum flofculis ad foliorum nodos., C. 141. Pond- • 
weed, with little flowers at the knots of the leaves, i 
In rivulets about Cambridge. 
H YPOPiT Ys. The whole plant, when it firfl flowers, 1 
is of a pale yellow, or llraw-colour *, when it be- • 
gins to fade, it changes to a dark brown or black, , 
and then becomes odoriferous. We have but 1 
one fpecies of this plant, viz. 
Hypopitys lutea., R. 317. Orchanche Hypopitys^ , 
C. 88, Pr. 31. 
Luteola, Dyers-weed. The leaves are oblong 
and entire : The flower confifts of four diffimi- 
lar petals : The fruit is globous, concave, and : 
divided, at the top, into fix pointed fegmaents, , 
three of which fliand upright, and three fold in i 
alternately : The flowers grow in a long thyrfe. 
The fpecies are : 
I. Luteola., R. 366, G. 398. vulgaris., P. 602. 
herha falicis folio.,, C. 100. Wild-woad, Yellow- 
weed, Dyers-weed. On walls, and in fallow fields. 
It flowers in June and July. The flalks are about 
a yard high, having long narrow green leaves, let 
on v/ithout pedicles : The petals of the flower are 
of a dirty white; two are jagged, and two very 
fmall and entire ; The fummits are yellow. 
i. Ltc- 
