184 PLANT ANATOMY. 
154). Such hairs are termed glandular hairs or colleters.:. To 
this class belong also the glands of Dictamnus.’ 
In the species of Cistus of the Mediterranean flora, these hair 
formations secreting resin* are so numerous and so product- 
ive that, for example, the product of Cistus ladaniferus has 
j\ 
= a 
<2 
Tt a 
os OV 7) 
xD — 7}, iP 
EXD fi 
Sor 
Ss ee 
I — 
at 
10) 
g 
ep, ule LD © VED eft 
cir 
es 
O_O 
x 
Co 
te ptir 
ye 
Ve 
Fic. 94,—4, Transverse section through Fructus Anisi, e, epidermis, clothed with 
hairs; ec, commissural surface; 0, oil spaces; t, coating of the fruit; t’ (lower ¢), seed 
_ Coat; v, fibro-vascular bundles (ribs, costee); a, albumen of the seed, the parenchyma of 
which is indicated by but a few cells, B, Hairs, more highly magnified. 
been collected in the islands of Candia and Cyprus from ancient 
times and employed for fumigating purposes. This ladanum 
trichomes has been described by Hanstein (Bot. Zeit., 1866, 747); com- 
pare also De Bary, “ Anatomie.” 
' KodAnros glued together, : 
*Meyen, “ Secretionsorgane der Pflanzen,” Berlin, 1887; Plate i., 
Figs. 28 and 29. De Bary, « Anatomie,” p. 73. 
_* De Bary, loc. cit., p. 99, Fig. 36. : 
