Yellow Birch and the Adirondack Forest. 409, 
rounded by standing timber may be expected to reproduce 
readily to birch in addition to the aspen, and that these two 
form a nurse*crop under which the more tolerant hardwoods 
and softwoods enter. The subsequent history is not clear since 
areas burned more than sixty years ago were not found. 
TABLE XVI 
REPRODUCTION PER ACRE LESS THAN ONE-HALF INCIT IN DIAMETER BASED 
’ ON REPRODUCTION CoUNT OF TWENTY-THREE PLors ON TWENTY-THREE 
ACRES, SOUTHEAST Sr. LAWRENCE County, NEAR CRANBERRY LAKE, 
1919 
| * 
SPECIES No. per acre SPECIES No. per acre 
- ees 5 
WHEEG PINE... see ces 14 sig toothed aspen... . 175 
SURGGCERGieils wcieieccs ca 202 Yellow. birch......... 2805 
Ley (Sian) Ae Bae eee ae 243 Hire cherry. ..2.- se 153 
Sugar REPL to ons eee foe 335) BACK TCHeLLY. yes ees = 27 
Red" maple... i... Dopar 3995 ses COGS aoe t gags) 1s) aie) miele 291 
Trembling aspen..... 222 
j Total number per 
PICTOU «teenies 3 8462 
TABLE XVII 
COMPARISON OF DEVELOPMENT OF YELLOW BIRCH AND ASPEN, SAME’ AREA 
i AS IN PRECEDING THREE TABLES 
- YELLOW Bircu Bie TooTH ASPEN 
OP oP sk e AVERAGE VALUES (CURVED) AVERAGE VALUES (CURVED) 
CLASS 
j ob. ie 
ontside | Cha, | Petal | Qutside | yeCha, | Zeta 
Hark ength neigh "hark eng heig 
ARERR Raustesir costa aestercel| lew tere cass. 4.0 EL Os | Cox geraretens 6.0 9.0 
Bee es Gia he eno 2.0 igs) MOK Oh Waits acters 9.5 16.5 
ie ACS Re Big ll 10.3 POs Ole jen craterens 13.0 22:05 
APO eles cs. ke 5 3" 2 Paes! Dat: Sle Gini Gaara oe 16.0 28.0 
DME kese “che, 6 Sas) ates 5.0 15.0 SOQ eds cisye ce 18.5 33.5 
Guanes ab cthsethe es 57 16.5 40.0 6.0 20.5 38.0 
MGM ile siavere ees ans 7.0 18.0 43.0 Cau PPA 42.0 
Cole. > 0. ce EE See Gaocioe aets 19.9 44.5 8.1 24.0 45.5 
Oho. 5.5) eee 8.7 19.5 AGRO | watatuecns ASFA 48.5 
SU) RMN EY is spas (ay clon | acer ate alec al! ofl vastickere Risye' Booa-8 Suet s 10.3 26.5 Dile..0 
HELE ae tare rool secar ectshales [irakiay“s Ryac a> ||| tac ieito'en Se Apt) 27-5 53.5 
siya Pree AS ul Se eb ll aie a staat ls aacacs. a cha nip ior 28.5 55.0 
AS MEER cl cyerrel ateuets, Cilidacusecesere, IllmaGis air ocd | ewe auee's 13.0 29.5 56.5 
EMMETT ere cmt Homa namtheror illi era adeste (+ | ss Slaw ae 14.1 31.0 S76 Sate 
SPEER Poise ciecll| | wie abehe AGE. Whos tus cs tecsua. [uci ab eve 14.9 BAM) 58.5 
Ula 5 2 dG Gmate GeeO ChelOrcl IRGPE CONG IOR INN [RSCRNC Ae ara nem) Inet e me neD IRC 15.9 34.0 Ort 
