406 Part IV, Chapter 2. 
with Linnaea, Chiogenes, Cornus canadensis, while Vaccinsum canadense and 
Sorbus americana are prominent shrubs. At 1,550 meters, trees are only ı—2 
feet high and disappear entirely on entering into the alpine formations, 
being replaced on exposed places by Ledum latifolium, Vaccintum uliginosum, 
V. caespitosum (Vaccinium-Ledum-Association), the Empetrum-Asso- 
ciation and the Alnus-Association formed by Alnus viridis together with 
Spiraea salicifolia in sheltered places, Gentiana linearis, Veratrum viride, 
Linnaea borealıs. 
he plants credited by CHARLES H. PECK to the summit of Mt. Tahawus 
are given in the accompanying list with those collected by the writer”) on the 
bare top marked by an asterisk (*) and those below the intermediate summit 
by a dagger (f). 
*Coptis trifolia Salisb. 
*Viola blanda Willd. 
*Arenaria groenlandica Spreng. 
Stellaria (Alsine) borealis Bigel. 
*Oxalis acetosella L. 
*P y* ı’11 (Sibt 11° p is) t .4 int Ait 
*Rubus strigosus Michx. 
»  triflorus Richards (=R. ameri- 
canus Pers.). 
*Sorbus sambucifolia Man. ed. 6 (= P. 
sitchensis Roem). 
*Spiraea salicifolia L. 
rAmelanchier oligocarpa Roem. 
*Ribes prostratum L’Her. 
Epilobium angustifolium L. 
*Houstonia caerulea L. 
Solidago macrophylla Pursh. 
*Solidago virga aurea var. alpina Bigel. 
(= Solidago alpestris W. & K.). 
Prenanthes (Nabalus) nana Torr. 
) Bootii Gray. 
*Vaccinium caespitosum Michx. 
» >» 
* » pennsylvanicum Lam. 
’ > pennsylvanicum var. an- 
gustifolium Gray. 
e » uliginosum L. 
” » oxycoccus L. 
*Chiogenes hispidula T. & G. 
*Lyonia (Cassandra) calyculata L. 
Drosera rotundifolia L. 
*Cornus canadensis L. 
*Linnaea borealis L. 
Lonicera caerulea L. 
Melampyrum lineare Lam. (=M. 
americanum Michx.). 
*Trientalis americana Pursh. 
Chelone glabra L. 
*Diapensia lapponica L. 
*Ledum latifolium Ait. 
*Kalmia glauca Ait. 
*Rhododendron lapponicum L. 
*Rhinanthus crista-galli L. 
Gentiana linearis Froel. 
*Empetrum nigrum L. 
*Betula glandulosa Michx. 
f >» papyrifera Marsh.  , 
* Alnus viridis DC. 
*Salix uva-ursi Pursh. 
Picea alba Link (= Picea canadensis 
Mill.). 
Picea nigra (= P. brevifolia Peck). 
*Abies balsamea Mill. 
Juniperus communis var. alpina Gaud. 
(= Juniperus nana Willd.). 
Habenaria dilatata Pursh. 
Streptopus roseus Michx. 
» amplexifolius DC. 
Clintonia borealis Raf. 
}) The ascent was made with Prof. Dr. O. DrupE on August 26, 1904. See also. PECK, 
CHARLES H.: Plants on the Summit of Mt. Marey. Bulletin New York State Museum V: 657» 
