C i6 9 3 
1445 Trifolium globofum repens C. B. P. 329 
1446 Tordylium maximum Infl. R. H. 320. 
1447 Tragofelinum maximum Auftriacum foliis ma- 
gis incifis Boer. 
1448 Valeriana Lufitanica latifolia annua laciniata 
Tourn. 132. 
1449 Verbena tenuifolia C. B. 
1450 Urtica racemifera maxima Sinarum foliis fub- 
tus argentea lanugine villofis. Pluk. Almag. 
212. 
XXV. Some Obfervations upon the Sex of 
Flowers by W. Watfon, F< R. S. occafojied 
by a Fetter upon the fatne Subject , by Mr . 
Mylius of Berlin. 
Ex tract of Mr. Mylius’j Fetter to Mr. Wat-* 
fon, dated at Berlin, Feb. 20, 1750*51. 
Read May 2. “ f g ''PIE fex of plants is very well 
* 75 - , u confirmed by an experiment, 
<c that has been made here on the palma major 
<c foliis fabellij omnibus. There is a great tree of this 
“ kind in the garden of the royal academy. It has 
tc flower’d and bore fruit thefe thirty years; but the 
ft fruit never ripen’d ; and when planted, it did not 
“ vegetate. The palm-tree, as you know, is a plant a 
“ dioecia ; that is, one of thofe, in which the male 
“ and female parts of generation are upon different 
<c plants. We having therefore no male plant, the 
Y “ flowers 
