280 DR. P. GROOM ON THE LONGITUDINAL 
Atriplex rosea Er? and Er’. 
| er | iod bu | | Whole 
| | | | | | | | | | length. | 
|EP, Main stem..22 | 2 | 80 | 2 | 93 99 | 63 | 12 60 |27 25 |10| Bud. | 300 | 
| | | | | | 
10 Fruits.) 150 | 
| | | | | 
Er^, Main stem. . 245 0 195 |8 |30|95| 28 921 122-6 13 | 7 
f | | | 
In both plants Hr? and Ær? the cotyledons subtended buds; the first pair of foliage- 
leaves subtended minute branches, the second pair of leaves subtended longer branches. 
In plant Ær? the third pair of leaves subtended still longer branches, and the fourth pair 
of leaves subtended the longest branches. 
Atriplex rosea Er*. 
Whole 
length. 
Main stem ..| 4| 1 5 1 [18 ^4 (55|2 |$5 8 | 32| 85) 19 25,4 | Bud. | 170 
Branch Il ..| 75 0 18:5 39 
B o4. 48 li 6 12 35 
{ a HL ILE o 90 T HEARIT HO Beds 1 .1.. Fuel ebbe PM 85 
», lDF..19]|] 26 | 19 [|9519 |35|7 Bud, : 65 
Atriplex rosea I 28. 
j | Whole 
| | length. 
Main stem ...... 21:51} 3 |19 |5 14 |16-5193-5| 5545 | 7 985 21 14:5 | 85 
Peek | | 22 
{ Branch Il... .|28°5 | 25 1475| 5 | Pee Me Ae too as ud ae | ee ee C 55 
2 eye. Pl eee pore: aoe. 48 |... al. pq 
qe E HI ode | 15026 eolo |T7T8|8 |. . |..1..1]1-— LI... 1. | 4$ 1 
4h. y DT.. 57 1 ar chic o5. 68 ila 120 
oq bs aks pp RE 
e RE || qu LI Leti 65 | 
| | | 
This particular specimen supplied a special proof of the utility of the graphic method. 
It was one of the first specimens that I measured, and at the time I was unaware of the 
fusions taking place between branches and main axis in the inflorescence region. My 
