Figs. 24-6. Figs. 24 a and B, Acacia alata , R. Br. ; Fig. 24 A, shoot (nat. size) to show 
bases of 2-ranked phyllodes decurrent through two internodes, producing winged axis ; Fig. 24 b, 
transverse section winged axis (x 28); ax., axial region; f , foliar region; sc., 'fibrous hollow 
cylinder; 0., bundles cut obliquely. Figs. 25 a-e, Sisyrinchium ; throughout, ax. — axis (which 
is indicated in solid black), and f = foliar wing of stem; Fig. 25 a, S. incurvatum, Gardn. (nat. 
size), axis with equitant leaves (/.) reduced almost to sheathing bases; Fig. 25 B, S. convolution , 
Nocca (nat. size) ; Fig. 25 c, S. angustifolium , Mill., part of branched axis (nat. size) ; Fig. 25 D, 
S. tinctorium , H. B. and K., top of infructescence axis (nat. size) with spathe, sp ., and fruits, fr. ; 
Fig. 25 e, S. angustifolium, Mill., transverse section winged axis (x 28); m.r., continuation of 
dorsal margin of leaf next above; sc., fibrous hollow cylinder. Figs. 26 A and b, Acorus Calamus , 
L. ; Fig. 26 A, fertile axis, much reduced ; spd., spadix ; sp., spathe ; f, winged side of axis ; Fig. 26 B, 
transverse section winged axis below spathe ( x 7) ; m.r., continuation of midrib region of spathe. 
The numerous small bundles lying close to the epidermis are omitted. 
