1902] BRIEFER ARTICLES 157 
PLucwea Quiroc DC. Prodr. §: 450. Native of Brazil and Chili. 
Collected by Mr. Curtiss on ballast at Pensacola in 1886, and on 
August 12, 1901, found established in moist ground near Pensacola 
(no. 6873). 
Cacalia sulcata.—Stem 1 to 1.5™ high, deeply furrowed: leaves 
from ovate to ovate-oblong, glabrous, green on both sides, faintly 
nerved; the lowest long-petioled, blunt and undulate-dentate; the 
upper sessile, acuminate, deeply and coarsely acuminate-serrate : 
corymb broad and loosely branched: the narrowly campanulate invo- 
lucre of 5 oblong bluntish bracts 8 or ro™™ long; the pedicels 
minutely calyculate-bracted : corolla deeply cleft.—Clearings in edge © 
of swamp near Smithville, Georgia, August 26, tg01 (4. A. Curtiss, 
no. 884A). Related to C. ovata EIl., but differing in its deeply fur- 
towed lower green stem; green, not glaucous, more cut leaves; and 
later flowering season—the taller glaucous C. ovata with unfurrowed 
| ei flowering some days earlier in the same region.— M. L. FERNALD, 
Cray Herbarium. 
THE MORPHOLOGY OF THE PINE CONE: 
er as (WITH PLATE vit!) 
pie hihas ~ been said in regard to the morphology of the coneof 
. Pine and its near allies that it would seem impossible as well as 
7 2 eng le Suggest anything further. However, the recent excel- 8 
NY aeecans Lf sg Coulter and Chamberlain’s “ Morphology of the Sper- 
on _ Of the many theories hitherto advanced to clear up the 
itis . oe the conclusions reached by the authors named, show that 
em sites means settled, and perhaps warrant me in presenting an 
a 7 wach I have used in lectures before my own classes for 
4 Te » ‘Years or more. _ Le eee 
Walled oven ste '® im short, the morphological nature of the 
ee liferous scale,” a structure present in the cones of the —_- 
© Pi a” Tudimentary or wholly wanting in the other tribesof 
* Ina pine cone the axis bears bracts which are the - 
lls = the stamens in the staminate cones, and in addition to 
ay ete ate thick, woody scales (one immediately above each — 
Pear the seeds. In such a seed-bearing cone the woody 
tion G, Botany, of the A. A. A. S., Den ver eet haa 
