1892. ] Enumeration of Kansas Mosses. 85 
cata, Cylindrothecium cladorrhizans, C. seductrix, C. com- 
pressum, Brachythecium laetum, B. acuminatum, Rhynchoste- 
gium serrulatum, Amblystegium varium, A. adnatum, Hypnum 
hispidulum, H. chrysophyllum. 
The following species belong to the flora of the southern states 
(Texas Louisiana, etc.) and reach here their extreme limit north- 
ward: Archidium Hallii, Desmatodon plinthobius ?, Barbula 
caespitosa, Physcomitrium turbinatum ?, Bartramia radicalis, 
Atrichum xanthopelma. 
Grimmia calyptrata and Coscinodon Wrightii seem more 
especially peculiar to the flora of the Rocky Mountains. Tri- 
chostomum crispulum and Pleuridium Bolanderi ? were hither- 
to only recorded from California. 
Monaco, and Stenay, France. 
Noteworthy anatomical and physiological researches. 
Ovular structure of Casuarina suberosa.! 
In this work of Treub’s we have a very good example of the 
Sensational in plant morphology. The word is not at all to be 
taken in a bad sense but fitly describes the altogether unsus- 
pected results which have followed this careful investigator's 
‘xamination of a group of plants of acknowledged difficulty. 
After discussing the insertion of the ovules and their curious dis- 
Placements which have caused much discussion (see on this 
Baillon, Eichler. Miquel and Engler), Treub takes up the 
hed lie at the summit of the nucellus and undergo a series of 
angential segmentations, finally producing a thick cylinder of 
occupi siganee 
cupies a central position in the nucellus 
: a lee 
B Treub: Sur les Casuarinées et leur place dans le system natural. Ann. Jard. 
Uitenz. X.145—231, 
