.170 Col. VELLEY’s Defcriptron of Conferva umbilicata, 
‘membranaceous leaves, giving: the noad the form of an umbilicated 
Ulva. -feveral cylindrical ftems, not larger 
than a hair, were found to diverge fi addénly 1 in different directions, 
producing. fimilar ramifications i in diftin& whorls : at : {mall diftances,. 
and carrying with them innumerable reticulated ramules combined. 
together in all directions ; fome of which feemed in a fmall degree: 
to favour a circular’ tendency : : the whole forming a moft beauti-- 
ful web of cylindric al filaments, far exceeding the fineft lace, and: 
fetting at defiance the uti itn irt of the pencil. B interftiçes de 
mot retain any regular or p prevailing form a y 
pear to do in the Cosferva reticulata; bu | 
other in the manner ¢ bove mentione E DIE 
Two circumftances are to be O ferver ree ne 
plant. Firft, the ramules, however - varied i in their ir diredtion, unite 
re Sa rw d 
| with the. main 1 flems at r $3 while the feparations, or 
Prats fmall 1 era “fpinules Kenin RET Hence | L 
was induced to confider this vegetable production, however fingu- 
lar in its mode of growth, as a real Conferva. As the ramifications. 
brought t to ay J a 
nd the y veins of a leaf, I at firft examined it under 
| le n n of fuch a body after i it had been. 
b but as : this ve tly | far- 
4 opacity | V iole Maat from the clofe- 
-nefs of its texture, when taken in, the ; n hat a fombre green 
X06: 0. 
