442 TRANS. OF THE ACAD. OF SCIENCE. 
foliaceous than usual ; upper palea of same divided in wink 
scales, d. d., lateral ‘to the flowers ; three staminate flowers, — 
Fig. 1-—Diaérain of 
Fig. 8.— ates or m" vetenilar spikelet, in ap both parts of the wall. 
gerne are hidden in the cavity of the lower one; Oe Se ce 
‘sen to a single hyaline scale ; third and fourth flower stam- _ 
; fifth, rudimentary. — 
Fig. 9. uae of another spikelet i in which the lowest flower is reda- 
ced to a single herbaceous lower palea, the second one to 4 
small membranaceous scale, corresponding to an i : 
third and fourth flowers staminate, and fifth rudimentary. - 
Analysis of the female flower. : 
Pi. XIV., Fig. 18.—A very simple female spikelet, laid rea exhibiting = 
a lower flower (consisting of 2 empty pales, th ower one her- 
hatsods; the upper membranaceo — revolute, “a secon pi- : 
— and a sera rudimentary flow 
Fig. 19.—Diagram o: ea 
Fig. 20.—Spikelet eoakpased of an empty foliaceous palea representing — 
the lowest es ; an empty second flower, with the lower 
foli at tip, the upper one — a single pistil 
- ait on flower, are a rudimentary fourth flower. 
ig. iagram of same. 
Fig. sos age of a eee in which the lowest flower consol? 
empty palee; the second and third flowers bear pistils. 
is the usual form of the a sn the sae 
Fig. 24—Lower gules of Lopgrage flowers ; a. outside views b-inside view 
slightly unfolded; c. same, fully unfolded, so as to show ae 
icy tals 
Fig. 26.—Ovary and style, with pices 
~~ 27.—Part of a stigmatic hair, highly 
weet Pm were drawn by Mr. . | Roetter, si e 
