ee 
NOTES ON THE BOTANY OF MANITOBA. 299 
UNTWISTING. 
2 ai e3! a: 
Time occupied by Revolutions in Minutes. 6-34. 5| 28 
i" Ba)oS|4e t | Shortest 
i gach ied ‘3 8.2°S| 25 | Revolutions. | Revolutions. 
Ist. | 2nd.| 3rd. | 4th. | 5th. | 6th. | 7th. pa 9th. 5) | s& 
Sais BS ial hi acd ck 
aA|9|71| | 7/9 {18 | 18 ( — “4/3 6th—18 | and—7 
B/10 | 63| 64! 7 |11 |19 | 14 i) oe te |e | tt —19 2nd &3rd—64 
C j12 |} 9 | 8 | 9 |-9 |11 | 16} @} — Th | 11 rth 3rd—8 
D| 7| 5 | 5 | 44) 53| 5§| 25/15 7 8} Oy of 4th—44 
E|o4/7|7\|8|7 13 116/16 |@) 74\-88| 9 “thé Sth 16 6th—3 
RE-TWISTING. 
A 20} 8; 94/15 (23 | (| — | 76 | 5¢; 13) 5th—23 | gnd— 83 
B 90} 7 |11$| 163/91 | (@)— p | | 76 | 68 | 18) ethan} and 7 
C 14/16 |12 18 |16 | (4) te tie | 06.1: Ba 13) 4th “18 || ard—t2 
D | 10/ 6$| 103; 8 | 9 (23 | 91 @)| —| 76| 7% 6th—23 - Qnd— 64 
E | 20 [19 {16 (90 | 3/— "PP | ee ay 16 Pepyiees 3rd—16 
There can ie very little doubt that tye s hygroscopic action of the: 
awns is intended to drive the point of the seed either into the 
eae or apes other substance. For this it is moran eg 
to preiete donéiuiive evidence af it from numerou us settlers and 
others that I came in contact with. Probably the seeds formerly 
bored into ig could hardly bore through) the skins of the 
buffaloes, and, after being catri ong distances, were dropped 
sr 
one anotine of 4 eed te wd hot Betetns of eta ea 
ulceration caused by the spears all over er the breast and stomach; 
