274 BOTANICAL GAZETTE. | November, 
placed alongside for holding pots of the plants that are being studied. , 
H, entrances to laboratory. J, doors to botanical garden. J, stairs to ey 
gallery above. L, drying oven; the water is also distilled here. 4M, in- 
struments for taking melting and solidifying points. NV, combustion 
furnace. 0, closet for supplying the chemicals on the students’ desks; 
one side has the following for organic work: petroleum spirit, ether, ab- 
solute alcohol, chloroform, carbon bisulphide, benzole, Meyer’s solution, 
gold chloride, Fehling’s solution, gelatine, milk of lime, carmine, mount- 
ing material; the sre side holds the usual re-agents for qualitative and 
quantitative analysis. hood for generating H,S and chlorine. P, lect- 
ure table; behind isa BE board which may be pushed down and leave 
white walls for receiving pictures from stereopticon at T. @, chairs with 
desks for taking lecture notes. J, table for distilling apparatus; pulleys 
to be attached to the condenser for purpose of convenient adjustment. 
S, mills and mortars. V, gallery, indicated by dotted lines; ! is the li- 
brary, IT for storing chemicals and apparatus, III herbarium; one side is 
for dried, the other for alcoholic, specimens; shelves can be drawn out to 
support: specimens during examination; the cupboards below hold 
presses, herbarium paper, etc. X, green-house for the study of plant _ 
physiology. YYY, shelf for growing plants, a certain portion being set 
aside for each student’s use. A pneumatic trough, 7ZZ, runs around 
exposed edge of this shelf. Gases to be employed in experimenting 
upon the living plants are brought from the main laboratory through 
tubes. The trough may be covered and made to furnish a support for 
ae while applying electricity, heat, ete. 
n arranging this laboratory, the object has been to bring everything 
neds that could be needed in the study of a plant. Too muc 
not be said against teaching any natural science so as to make the stu- 
dent feel that — cuts a natural object into parts.—Litiie J. MARTIN, 
Indianapolis, de 
Proliferous fangi.—My attention has 
been called this season to several p = 
liferous fungi belonging to Agaricini. — 
On the top of the pileus appears @ Se 
ondary pileus, which is reversed, bear- 
ing the gills on the upper side. Aspec- 
imen of Lactarius cinereus bees” i 
me has a secondary pileus which 18 ‘0 — 
a in the center of the j primary one. It is roncly soliouonl and sessile. 
he gills are borne on the inside, being exposed only by a small sc: a 
at the top as shown in'the cut.—F. L, Harvey, Orono, Me 
