GROWTH OF MATURE CLUMPS 275 
TABLE 9.—Growth of culms of Bambusa vulgaris, at Division of Inves- 
tigation, Bureau of Forestry, Los Banos, Laguna, Philippine Islands. 
Data from report by Ranger Oro. 
Height in meters at first measurement. 
= : | 














| .10 17 .20 14 £45 .12 .18 .12 .16 .03 .05 
Growth in meters during successive weeks. 
iS! PS | ar ce Wee ey [a rar .40 OOM fc 2 seabed .00 0) eae oe 
[SO a re Tal een eee 91 Ei" WER Mee 1S TA 07 QB i Ree SAAS 
eg oe te ete EE, | east rate .92 oa ie ee ta SD .00 04 .12 
Petes 52. oe aa a A i SOOR ae cIeSAull ns ReOO eet lE ees |e Ne os 1 ae 3 ges 
ae ee eat a | -00 | £96 | 00 .04 04 .06 02} .08 
(Sepa eel es ee | .09 1.60 | .08 | 00 01 | 09 05 | 17 
08 | 07 | .10 .08 1.42 17 14 .06 ee ee fig 
15 | 06 | .20 | 04 1.71 | £35 .46 .14 .25| .28 73 
39 10 51 46 1.41 26 .56 24 .16 .98 98 
83 .38 84 | 94 2.26 1.09 1.08 ae) 82 .99 97 
1.04 89; 1.05] 1.29 1.28] 1.20 ae te) haces 1.06) 1.01 72 
Na 94 Ole, 1026 19| 1.20 re a iia 1.00; 1.08 85 
50.  ahesoel? otegz|- 1/80 17 Fl is oe at A i 79 .65| 1.04 
1.56 .72 . 82 | S13} 14 1.24 | 91 1.63 94} 1.26 .98 
je sas) a0 | 1.49 | ta! AL G8 1.85 1.40 1.36 1.25] 1.20 
71 (eas = Stor eee (Re Bea hae Fa 1.80 1.35] 2.02] 1.21 
1.55 tore le TUS cs dy GON eee ee  Skaeley aba 1. 40 165) 1-05] » 1932 
.45| 1.70 1.80 Boul wals 4aee ope er 5 1.25 1.00 .90 98 | 85 
1.70) 1.85) 1.05] Set acc as |) on 5 | 7080 70! 1.85 65 
1159 ng Ms Ba Geer eee a8 91 50|  °. 65 ieee ea 
94 | 92 LQ? | Ss Ree ia Ne eile ot ey oY 15 | BO) were Ses pees 
40 | 62 PUTS [is <<" cal rae Dicey | ake aa ik cds b PAO | hae dak Uy eee De ES 
| 23 41 Pre ced Sel et ee a ee [See eae oe fares (ee baci 
if 
Total heights. 
16.18 15.05) 16.38 | 12.13 | 15.30} 14.42| 14.81 | 15.55 | 12.35 | 13.25 | 12.05 


Measurements of growth of culms of Gigantochloa levis are 
given in Table 10. This species sends up its shoots in general 
later than do Bambusa spinosa and Bambusa vulgaris. Measure- 
ments were started on a few shoots which had commenced to 
develop on June 5, but only one of these shoots reached maturity 
and then produced only a small culm. The measurements of 
this individual have not been included in our table on account 
of the small size attained. In general the shoots did not com- 
mence to develop in 1915 until July. The date of the first 
