32 : BOTANICAL GAZETTE. 
in size, hyaline: from 50 to 62 in each perithecium. Spores 
usually two, oval, sub-hyaline, nearly filling the ascus. 
Sometimes three or even four spores are found in an ascus. ~ 
When three occur in an ascus two are of nearly the usual” 
size and the third quite small, and when four occur all are 
small, 
Department of Agriculture, Washington, D. C. 
one BRIEFER ARTICLES. 
Plan of a botanical laboratory—In the Gazerre for November, ee 
ie Miss Lillie J. Martin published a plan of a botanical laboratory, which 
. _ Size 50x 40 ft. 
blackboard; C, physiol 
sn ¥, writing-desk : G, tables for twelve gut tae ils (there 
row); #H, green-house; ZT, oven; J, sink: K, table for general use; 
: with y tig distilled water, e bedding Pparatus, ete.; M, ta! 
Tacks for reagents; 0, table for microtomes; P, sroom; @, 
balance and oni delicate ins ents; E 
4 nm vy; 
. LU, seco ¥, ; W, landing; x. library anid reading-r o1 vf 
ture-room, with cases for diagrams, ete. ; Z, large teil in which models, tied sp 
and specimens in spirit arekept. This room may be provided with a gallery 
