1886.] BOTANICAL GAZETTE. 121 
these collections are as useful as books, which no one thinks of cutting BP and 
distributing in his herbarium WiLuiAM TRELEASE 
Shaw School of Botany, St. Louis, Mo. 
Prof. Beal, in the April number of the Gazette, desir ires the experience of 
others in the arrangement of th ne ae My ractice - a t parallel to 
his. In the college herbarium in char. arge, chs arrangement is ie Bentham 
& Hooker for orders and rd my private herbarium, cae at my house, 
n 
de a ; 
While this is nen the most convenient ready pees I know that 
own case I lose by it something of familiarity with the generic uripersg 
h ca) po fe memory one is apt to acquire an alphabetical ae nan 
wane} Bo notion of the relations ot a ah W. WHITMAN fone 
ting the suggestion made by Pr Prof. Beal (April sewers p. 98) tha 
the Sip tines of others in herbarium arrangement would be of interest, I note 
vum of Boeths am and Hooker. -Pasteboard “ flaps,” labeled with the contents of 
each compartment, serve to direct the canals fur any mabye" genus, and this 
is all that is required, for one working constantly about an herbarium soon 
learns where, approximately, everything is. But t iphelae are all arranged 
alphabetically, and it is found to be of the greatest convenience. Origin nally 
Some of the larger genera were arranged apes ghar at after 
pher (the oaks and Junci after Engelmann, the willows after Bebb, etc.), bat 
this was found to be cumbersome in ent extrem me, and was abandoned. In 
large herbarium like this, where a gen often represented by from fifty to 
two hundred species, no method as past ti as the sleebelicet 4 al has | seen 
Troposed. H 
National Museum, Washington, D. C. 
CURRENT LITERATURE. 
Tendril Movements in Cucurbita maxima and C. Pepo. By. D. P. Penhallow, Am. 
Jou t. Sci., Jan., Feb, and Mar., 1886. 
© squa: 
which gradiiell breaks down at maturity; a ring of wood bounded by one of 
parenchyma, rank which lies the most important region, that of the pg 
