178 THE JOURNAL OF BOTANY 
cases where the author has been favoured by collections of consider- 
able extent made by any individual Botanist, they will be dis- 
distinct Index; so that they may be bound separately, or incor- 
porated with the rest of the work, according to the option of the 
are preserved in the headings of the pages of text which explain 
the plates, as, for instance, ‘* Musci Exotici.—Menziesiani.” 
The Musct Exotici was printed by Richard and Arthur Taylor, 
Shoe Lane. Vol. i. (1818) contains parts i.-xii., and plates oe ; 
t 
appears that eight plates were issued in each of the first twenty-two 
parts, but presumably part xxiii. consisted of text only (thirty-one 
pages), namely, an “ ppendix containing Specific Characters of the 
rections and additional Remarks,” two groups only of cryptogams 
being included—Musci Calyptrati and Hepatice. If the price 
* 
J te 
hand, and the price of each part must have been about 7s. and 8s. 
respectively. 
PERENNATION or GacEa LUTEA.—Thig plant is locally common in 
some of our Oxfordshire woods in the Ray and Isis districts, bu 
I have only seen a solitary flowering specimen, notwithstanding 
the presence of hundreds of plants, some of them being also appa- 
Th Ls . . unt of ena 
y takes place in a rather curious manner. The parent bulb has 
a number of bulbules, ten to twenty, at the base; as the old bulb 
, the young ones grow, and, separating from the parent, send 
