CURRENT LITERATURE et 3. 
was done independently and whose results were published almost — 
ously about six months ago, made it plain that the mother cell — 
res rise to a row of four microspores. Both writers based their conclusions | 
cytological study of the mother cell, and the mitoses which occur as. 
ther cell gives rise to the four spores. Mr. Gager traverses about the 
nd and arrives at the same conclusions. Four years ago W.C, 
made the statement that “in Asclepias Cornuti the pale mother 
$s twice, producing a radial row of four pollen grains.” The state- 
le as if the writer were referring to an accepted fact, and not as if 
were making acontribution. Being referred to in this incidental way, ina 
devoted to a study of the kinoplasm and nucleolus, this unconscious 
ution might possibly have been overlooked even if it had appeared in 
al of wide circulation; but appearing as it did ina university quar- 
was e poughly buried as if it hud beee published i in an in agricul- 2 
directly into a ee pollen grain, as was former 
“a CHAMBERLA 
. Bot. 49:145-149. 1902), in continuing his 
tribes two new species (P. rectifolius and P.s 
.—N. L. Brirron (Torreya 29: 43- 1902) has 
| from the Island of St. Kitts, British West Inc 
ale Sci, Pahemack. PP- 175-179- ph, de 99 
scyphus. 
