— 104 — 
Besides these, many of which will in all probability be found also in this 
vicinity, I have a specimen of Aster ella tenet la (L.) Beauv. collected by 
Miss Mary F. Miller at Great Falls. This, too, is likely to be found here. 
Examining the list of 38 species, as given, we will note the following: 
That 15 species or more than one-third, are found only* in the Piedmont 
region; 11 species only in the Coastal Plain; 11 species in either, and 
1, Lunularia cruciata, only in greenhouses. Of the 11 species found in 
either Coastal Plain or Piedmont region, 6 are found most frequently in the 
Piedmont, and 1 most frequently in the Coastal Plain, leaving 4 that are 
found equally common in either region. 
This would seem to show, that of the 38 species, 16 of them may be 
found in the Coastal Plain; but in the Piedmont region, with its greater 
diversity of soils and conditions, 25 or more than one-half again as many 
species are to be found. 
Species found only in the Piedmont region: 
1 Riccia jiuitans. 8. Ptilidiuin pule her rimum. 
2. Conocephalum conicum. 9. Diplophylleia apiculata. 
3. Riccardia latifrons . 10. Radula complanata. 
4. Metzgeria conjugata. 
Blasia pusilla, 
Nardia crenulata. 
7. Nardia obovata. 
11. Porella pinnata. 
12. Jubula pennsylvanica. 
13. Frullania Brittoniae. 
14. Frullania plana. 
15. Anthoceros laevis. 
Species found only in the Coastal Plain : 
1. Pallavicinia Lyellii 6. Cephalozia curvifolia. 
2. Lophocolea heterophylla. 7. Cephalozia serrifiora. 
3. Chiloscyphus polyanthus rivu- 8. Odontoschisma de?iudatum. 
laris. 9. Odontoschisma prostratum. 
4. Geocalyx graveolens. 10. Bazzania trilobata. 
5. Cephalozia connivens. 11. Lepidozia sylvatica. 
Species found in either region, but preferring the Piedmont; 
1. Reboulia hemisphaerica. 4. Porella platyphylla. 
2. Marchantia polymorpha 5. Frullania Asagrayana. 
3. Scapania nemorosa. 6. Frullania Eboracensis. 
Species found in either region, but preferring the Coastal Plain: 
1. Pellia epiphylla. 
Species equally at home in either region ; 
1. P lagiochila asplenioides. 3. Trichocolea tomentella. 
2. Calypogeia Trichomanes. 4. Leucolej eunea unciloba. 
In concluding, allow me to state that my thanks are due Miss Caroline 
C. Haynes, not only for her determinations and verifications of specimens, 
but now alsd for kindly rearranging their names according to Engler and 
Prantl. Baltimore, Maryland. 
