SEEDLING STRUCTURE IN THE LEGUMINOS Ж. 121 
PLATE 3. 
Figs. 38-41. Bauhinia racemosa. 38-40, a hexarch seedling: 38, 1'5 mm. below collet; 
39, collet; 40, half-way up hypocotyl: 41, a tetrarch seedling, 1 mm. below 
collet. See text. 
49-45. Bauhinia tomentosa. 42, root; 43, collet; 44, quarter up hypocotyl; 
45, 1 mm. below node. 
51,52. Guilandina Bonducella. 51, 5 mm. below node; 52, 2 mm. below node. 
53. Cesalpinia sepiaria. T.S. of the bundle which enters the plumule from the 
root, at base of first epicotyledonary internode. 
54. Cesalpinia sepiaria. 10 mm. below node; showing one bundle in the triad 
position before the others, 
55-60. Sophora tetraptera. 55, 12 mm. below node; 56, 8 mm, below node; 
57, 4 mm. below node; 58, 2 mm. below node; 59, just above node; 60, half- 
way up first epicotyledonary interdode. 
PLATE 4. 
Figs. 01-08. PODALYRIE®. 61, 68, Thermopsis montana, Buptisia leucantha; 62, 63, 64, 
65, 67, Viminaria denudata; 62, 63, 60, 68, Pultenea daphnoides, Chorizema 
cordatum. Diagrams representing the variations and relationships of structure 
within the tribe. See text. (The groups of dots represent secondary plumular 
traces.) 
69-71. Spartium junceum. 69, root; 70, half-way up hypocotyl; 71, base of 
cotyledon (dorsal surface upwards). 
72. Crotalaria retusa. Collet region. 
PLATE Б. 
Figs. 73, 74. Crotalaria incana. 73, quarter up hypocotyl; 74, base of cotyledon (the 
epidermis is that of the ventral surface). 
75. Cytisus canariensis. Root. 
76,77. Ononis rotundifolia. 76, root; 77, 4 mm. below node. 
78. Trigonella gladiata. 5 пат, below node. 
79-81. Medicago lupulina. 79, root; 80, collet ; 81, just above collet. 
82-84. Melilotus arvensis. 82, root; 83, quarter up hypocotyl; 84, half-way up 
hypocotyl. 
PLATE 6. 
Fig. 85. Melilotus arvensis. Three-quarters up hypocotyl. (Dotted lines=cambium.) 
86. Anthyllis tetraphylla. Three-quarters up hypocotyl. 
Figs. 87-89. Dorycnium hirsutum. Triarch seedling. 87, root; 88, two-thirds up hypo- 
cotyl; 89, 3 mm. below node, 
90. Caragana arborescens. Triarch seedling. 90, collet. (See Pl. 7.) 
93. Swainsona Cadelli. Half-way up hypocotyl. 
PLATE 7. 
Figs. 91,92. Caragana arborescens. 91, half-way up hypocotyl; 92, 3 mm. below node 
(the brackets indicating the three original xylems and the small new fourth 
group). 
LINN. JOURN.—BOTANY, VOL. XLI. K 
