180 THE JOURNAL OF BOTANY 
Hill (6). Stourton (8).—Z. cuspidata Limpr. Common for both 
5 and 6. Cogley Wood, Yatton, Clevedon, &c. (6).—Var. alata 
c. (6). 
Nees. Cothelstone (5). Hestercombe (6). Bruton (5). 
ephalozia bicuspidata (L.) Dum. common in vice- 
counties 5, 6, and 8. Bruton, &c. (6). Taunton, &e. (5). Stour- 
ton, &e. (8). ; 
Kantia Trichomanis (L.) Gray. Cogley Wood (6). Masbury 
(6).—K. Sprengelii (Mart.) Pears. Timberscombe (5). Cothel- 
stone (5). Bruton (6).—K. arguta (Nees et Mont.) Lindb. Mas- 
b 6 
Trichocolea tomentella (Ehrh.). Dum. Cogley Wood (6). 
Diplophytlum albicans (L.) Dum. Timberscombe (5). Cothel- 
stone (5). Minehead (5). Common. 
Scapania compacta (Roth.) Dum. Minehead (5). Timbers- 
combe (5). 
Radula complanata (L.) Dum. Frequent in 5, 6, and 8. 
Creech (6). Taunton (5). Stourton Woods (8). 
dotheca platyphylla (L.) Dum. Common. Taunton (5). 
). Stourton (8 
dilatata (L.) Dum. Common. Taunton district (5). Bruton, 
Clevedon, and Yatton districts (6). Stourton Woods (8). 
INCOMPLETE DICHOGAMY IN ZEA MAYS. 
By Joserx Burrt-Davy, F.L.S., 
Government Agrostologist and Botanist, Transvaal.* 
S lar as we can tell at present, all moncecious plants are 
Ne bea Sedges ... the Maize (Zea Mays) ... the Bur- 
weed... ar cA j 
ng Oe 
the greatest importance in the question of the significance of 
cross-fertilization. If the maturation of the sexes at different 
times en observed only in those species of plants which 
self-fertilization or autogamy. - + Dut... cases of complete 
dichogamy . . . are comparatively rare, and this explanation will 
not hold for the great bulk of hermaphrodite flowers which are 
* Read at a meeting of the Transvaal Biological Society, February, 1909. 
