260 CONIFER. 
when the chief bulk of the sac is occupied by cellular tissue, 
the granules are still abundant, but they are stationary. 
Connected with these observations, I should think that 
the development of the ovula of one carpellary leaf, occa- 
sionally varies much, the sac of the vitellus being at the pe- 
riod above mentioned, generally cellular, occasionally, nearly, 
or entirely liquid. Indeed the above observations relating to 
mobility and change of form occurred in an ovule, the others 
. of whose carpellary leaf had cellular, or nearly cellular vitelli, 
—June 18th, 1835. 
Thuja occidentalis, Pl. CCCLXXVIII. Figs. I., IT. 
1, 2, 3. Ovule of Thuja occidentalis from the same gal- 
bulus. The two former from the axille of the outer, 
the last from that of the inner scales. 
4. Ditto No. 3 long section. 
. 5. Nucleus detached. 
-. 6. Ovule from a full sized ? galbulus. : 
7. Ditto long section. 3 
June 161A, 1 | 
FEIN du EC iaa si Mi i I ie M ECC Le orm 0X pae fl 
edi m 
Cupressus. 
1. Cupressus tortulosus Pl. CCCLXXII. Cupressus pendula, 
Abies Brunoniana Gr. Itinerary Notes pp. 100, 131 Nos. 
27 and 529 
a. micropyle, 4 wing, c ossified testa, e nucleus. 
JUNIPERIS, 
1, Juniperis recurva, Pls. CCCLXXIII. and CCCLXXIV. 
Male aud Female : vide Itinerary, Notes p. 145. No. 696. 
2. Juniperis ezcelsa, Pl. CCCLXXVII. Figs. 8, 8, 8a. 
These figures represent a portion of the tissue of juni- - 
perus excelsa, of the Himalaya mountains. It is ob- 
vious that these supposed pores are ovate round bodies 
Which are stuck across the cavity of the cells, or élongated 
