146 ON THE ECONOMY OF THE 
encore par les beaux sujets que plusieurs d'entr'elles ont 
déjà fourni au Botanical Magazine et au B. Register. 
Quant aux affinités de la plante, je dois me borner ici, par 
les raisons avancées plus haut, à indiquer ses rapports in- 
times avec le Bragantia et le Thottea. 
Tas. III. explan. Sarmenti floriferi pars, ramulique foliati 
fractio, magnitudine naturali. Fig. 1. Flos vix ac ne vx - 
amplificatus; f. 2. Idem sectione laterali apertus; f. 3. - 
Stylus (incuria pictoris seriam unicam cicatricum inser- 
tionis staminum exhibens); f. 4. Sectio transversa ovaril; 
Jf. 5. Eadem verticaliter secta. 
On the Economy of the Roots of Tarstum LINOPHYLLUM ; : 
by WinLIAM Mirren, Esa. 
(With a Plate, Tan. IV.) 
The raudat nature of the root of Thesium linophyllum 
hin apparently hitherto altogether escaped attention. Indeed, 
from the general appearance of the plant, there is nothing 
to excite suspicion; nor will there be any trace left of its 
parasitical attachment to the roots of surrounding plants 
unless the roots are taken up with the greatest care. + 
very brittle roots of the Thesium itself, and the closely 1 
woven roots of the Eni Lj. which compose the 
