44 
BULLETIN OF WISCONSIN NATURAL HISTORY SOCIETY. VOL. 5, NO. 1. 
Loew (24) considers the dark purple and ill-scented variety, a 
nauseous flower, and he informs us that the styles surpass the 
anthers, and that the former are bent backwards. Miss Carter 
(25) states of the dark variety with a disagreeable odor observed 
at South Hadley, Mass., that no nectar is secreted, that the 
stamens and pistils are of the same length, and that self-pollina- 
tion is apparently the rule. She noticed four beetles on the older 
flowers and did not consider their presence of any importance. 
Weed (26) saw several species of flesh-flies feeding on the pollen 
of these flowers in New Hampshire, and he regards the latter as 
proterandrous and adapted to cross-pollination. Around Milwau- 
kee T. erectiun appears to my knowledge in the white variety only, 
and these flowers possess an agreeable sweetish odor, but they 
do not produce any nectar. Those examined measured 5 cm. 
across, and their stamens were 13 mm. long, 10 mm. of which 
were taken up by the anthers. The stigmas are situated some- 
what above the latter, but they are gradually brought in contact 
with them when the branches of the style curve outward. I have 
seen a stigma in close touch with a dehiscent anther. 
As set forth above these flowers offer only pollen to the vis- 
itors, and they probably attract very few of them. On May 24 
I noticed a bumble-bee, a female Bonibiis ainericanonun Fabr., 
alighting on a flower hunting for nectar; not finding the desired 
object it immediately flew over to a neighboring flower of Salo- 
moriia biflora (see above) where it w^as more successful. Alto- 
gether the flowers of T. erection seem to be poorly attractive to 
insects, and spontaneous self-pollination takes place probably in 
the majority of the cases. 
Trillium cernuum L. Nodding- Wake-robin. 
The white flowers are concealed beneath the leaves, and for 
this reason they are not as readily noticed as those of the species 
of Trillium already considered. I have met with these flowers on 
several occasions between May 22 and 27, and have not witnessed 
a single visit. They are as Miss Carter (27) has noted, 
24. E. Loew. Bluetenbiol. Beitraege II.. pp. 78-79. 
25. A. Carter. Loc. cit., p. 20. 
26. C. M. Weed, len Xew Eng'land blossoms and their insect 
visitors, pp. 53-60 (1895). 
27. A. Carter. Loc. cit., p. 21. 
