379 
An account of the manner in which this species disseminates 
its fruit by mechanical action. 
Talauma macrocarpa, Zucc., the Yoloxochitl. Alfonso L. Herrera. 
El Estudio [Mexico], Tom. iv. No. 4. , 
_ The botanical and medical history of the plant is given. : 
Triassic Plants from New Mexico—Notes On. Wm. M. Fontaine 
and F. A. Knowlton. (Proc. U. S. Nat. Mus, xiii. 281-285, 
Pl. xxii-xxvi). 
- Two new species are described and figured, Egutsetum Adt- 
gutense and FE. Knowltont. Zamites Powellit is also figured as a 
new species. Its affinities are with 7. occidentalis and Z. Feneomis. 
Vitality of Some Annual Plants—On the. Theo. Holm. (Re- 
print, Am. Journ. Sci. xlii. 304-307, Pl. x). 
The author refers to the fact that some annual plants at times 
fluctuate in their cycle of life so as to appear biennial or even 
perennial, according to environment. Aypericum nudtcaule, 
Walt., Delphinium Consolida, L., Cyperus flavescens, L., Carex 
cyperotdes, L., Tragus racemosus, Hall, Arabis dentata, T. and 
G., A. lyrata, L., and A. /aevigata, Poir., are noted. 
Vegetation of “ Burns” —The. T.S, Brandegee. (Zoé,ii, 118- | 
122), 
An interesting contribution to the literature of “ fire weeds.” 
Viburnum. HH. H. Rusby. (Reprint from Drug. Bull. July, 
1891, illustrated). 
- Viburnum prunifolium is described and figured. 
What the Station Botanists are Doing. B. D. Halsted, (Bot. Can 
xvi. 288-291). 
Winter Studies of the Pine Barren Flora of Lake Michigan, I— 
V7. EE. J. Hill. (Gard. and For. iv., 159, 160; 195, 196 
208; 232, 234, 278, 279; 304). 
Mention is made of Céelastrus scandens, Rhus Toxicodendron, 
R. typhina, R. Canadensis, Rosa blanda, R. humilis, R. Carolin- 
tana, R. Engelmannt, Arctostaphylos Uva-Ursi, Cassandra 
calyculata, Vaccinium macrocarpon, Chimaphila maculata, C. 
umbellata, Gaultheria procumbens, Mitchella repens, Pyrola 
rotundifolia, P. elliptica, P. chlorantha, P. secunda, Cornus 
Canadensis, Linnea borealis, Gaylussacia resinosa, Vaccinium 
corymbosum, V. vacillans, V. Pennsylvanicum and Rubus 
