PRODROMUS FLOREZ BRITANNICZ 27 
connection with species, are fairly illustrated in the case of 
Inthospermum purpureo-cerulewm L. The description is drawn 
up from the fine series of specimens in the National Herbarium 
in Cromwell Road; and Mr. J. W. White’s important paper in 
this Journal for 1884, pp. 74-76, is made use of. ‘In English 
botanical manuals the chief featnns in the PIO Sa and 
propagation of the plant has been overlooked. None of them 
correctly describe the manner in which it strides over the ground 
by means of the peculiar eae elongation of the barren shoots, 
which ultimately produc individuals by rooting at their 
tips. . . : i 
seldom spring from a flowering-stem, are ges erect, — 
rehing, and ultimately root at the tip, often 
sidexahie distance from the parent; the yo ung plants quickly 
ming separated by the decay of the connecting links.” Th 
a distribution of the se in the only four counties where 
it now occurs, namely, Devon, Somerset, Glamorgan, and wit 
is ay out in full detail, 9 citation of the imens seen 
ndigenous nature of the distribution of species is 
te ee attended to; for instance, Polemonium ceruleum L. 
s state e 
raloun 
Ot D odder ony two British — are admitted, namely, 
Cuscuta opithyetion Murr C. a L. 
Vill., d Vin nigrum L. With re regard ra the other we species 
Ww jobs th are usually given in British floras there is a note added: 
“ V. blatiarta and V. virgatum, in most of their reported stations, 
being evidently escapes from cultivation, are not here included in 
the British list.” It is also remarked : “ As on the Continent, the 
British species of Eorkanteeee hybridize freely, and specific dis- 
tinctions are not well-marked 
_ The cers rapa: e@, as restri cted above, occupy the pies — 
7 
re) : : : 
seabiors usually adopted in British books; but its employment is 
amply justified. Unfortunately the plan of Mr. Williams's work 
oes not supply descriptions of the genera adopted rinse 
name with half a dozen references is given; but in this case a» — 
all events it would have been convenient to have given at least ® — 
