130 



bryum roseum (Weis.) Limpr.; and Thuidium abietinum (L.) 

 B. & S., not rare along the brow of the diffs. 



Agropyrum caninum (L.) R. & S.; Carex eburnea Boott; 

 Circaea lutetiana L. with the rust Puccinia Circaeae Pers. attack- 

 ing the leaves. 



October 26, 1907. An afternoon at Indian Ladder; very 

 pleasant and cool out of doors, and the autumn leaves falling. 

 But little water in Black creek: and ice beginning to form at the 

 base of the waterfalls. Near the head of Indian Ladder road 

 found Dermatocarpon miniatum (L.) Fr. on the cliffs. 



Chenopodium hybridiim L.; and Cerastium arvense L. in flower. 



May 16, 1908. To the Helderbergs in the afternoon. Dande- 

 lions yellowing the hills in the valley. The Eguisetum fluviatile 

 L., about one half grown, in wet places near Voorheesville. The 

 Bridal \^eil Fall very beautiful and flimsy. The breaking away 

 of the rocks, during the past winter, from the clift's, in several 

 places is quite noticeable; and a small landslide has taken out 

 some of the short cut trail from East Clift'. 



Collected and obser\-ed: Gymno sporangium davariaeforme 

 (Jacq.) DC. on Juniperus sibirica. 



Collema pulposiim (Bernh.) Ach. on earth; and Parmelia 

 cetrata Ach. on trunks of Jiiglans cinerea L. 



Bartramia Oederi (Gunn.) Swtz. and Mnium affine ciliare 

 (Grev.) CM. 



Botrychium virginianum (L.) Sw. 



Carex platyphylla Carey; Arisaema triphyllum (L.) Torr.; 

 Trillium erectum L., one plant with a sessile flower; Uvularia 

 grandiflora J.E.Sm.; Actaea rubra (Ait.) WiWd.; Mitella diphylla 

 L.; Waldsteinia fragarioides (Mx.) Tratt., with flowers as bright 

 yellow as the yellow violet; Polygala paucifolia Willd.; Viola 

 canadensis L.; Viola conspersa Reichenb.; Vaccinium angusti- 

 folium Ait. (F. pennsylvanicum Lam.) and Antennaria plantagin- 

 ifolia (L.) Richards. 



June 7, 1908. Left the city on the morning train. Near 

 Voorheesville saw Iris versicolor L.; Nymphaea advena Soland, 

 in wet pools; Kalmia angustifolia L. and Lysimachia qiiadrifolia 

 L. Along the railroad track at Voorheesville Bromus tectorum 

 L. ; Convolvulus arvensis L. and Galium Molliigo L. 



