DEPARTMENT REPORTS 57 



*PaH)nia ]Moutan Sims. Tree Peony. 



In the Botanic Garden north of the greenhouse. 

 Palinrus australis Gaertn., (P. aculeatus Lam.) Christ Thorn. 

 Northeast of the west entrance to the Campus. 

 *Parthenocissus quinquefolia (L.) Planch. (Ampelopsis quinquefolia 

 Miclix.) 

 On the northeast corner of the Secretary's office; on the President's 

 house, east and west sides; south side of house number 10. 

 *Parthenocissus tricusjjidata (Sieb. & Zucc.) Planch. (Ampelopsis veitchii 

 Hort.) Japan Ivy. Boston Ivy. 

 North of Williams' Hall; on the Library; south of houses numbers 

 1 and 9. 

 Papaw. See Asimina. 

 Pea-tree, Siberian. See Caragana. 

 Pear. See Pyrus. 

 Peony. See PiBonia. 

 Pepperidge. See Nyssa. 

 Philadelphus. Mock Orange. 



The following are to be seen in the Botanic Garden west of the upper 

 pond: *P. coronarius L., *P. Gordonianus Lindl., *P. grandiflorus 

 AYilld., *P. graniflorus floribundus Hort., P. inodorus L., P. japoni- 

 cus, P. Lewisii Pursh, P. microphyllus A. Gray, and others re- 

 cently planted. 

 Philadelphus coronarius foliis aureis Hort. Gold-leafed Mock Orange. 



West of the Botanical Laboratory. 

 Physocarpus. See Opulaster. 

 *Picea canadensis (Mill.) B. S. P. (P. alba Ait.) White Spruce. 



West of the Horticultural Laboratory; north of the Library. 

 *Picea Engelmanni Engelm. Engelmann's Spruce. 



Southwest of the Botanical Laboratory. 

 *Picea excel sa Link. Norway Spruce. 



The most common and the most variable evergreen on the Campus. 

 Southwest and southeast of dw^elling house number 7; northeast 

 and near College Hall; a weeping tree north of the electric-car 

 depot. 

 *Picea Mariana (Mill.) B. S. P. (P. nigra Ait.) Black Spruce. 



Near the west entrance to the Campus; in swamps at the north of 

 the College. 

 *Picea orientalis Carr. Oriental Spruce. 



Northwest of College Hall; some rods south of residence number 10. 

 *Picea pungens Engelm. Colorado Blue Spruce. 



West of the Botanical Laboratory; west of the Horticultural Labora- 

 tory; south of dwelling house number 10. 

 *Pinus Cembra L. Cembrian Pine. 



Southeast of the Armory; north of College Hall. 

 •Pinus divaricata (Ait.) Sudw. (P. Banksiana Lamb.) Jack Pine. Gray 

 Pine. 

 Northwest of College Hall; north of Abbot Hall. 

 *Pinus Laricio nigricans Hort. (I*, austriaca Hoess.) Austrian Pine. 

 South of the pear orchard; east of College Hall; west of the Chemi- 

 cal Laboratorv. 

 8 



