Jennings : New Species of Lonicera from Pennsylvania. 77 



Leaves oblong to ovate, pubescent, stamens included, seeds 

 about 2 mm. long. 



10. L. oblongifolia (Goldie) Hooker. 

 Leaves oblanceolate to obovate, mostly glabrous ; stamens 



exserted, seeds 3-4 mm. long. 



11. Z. altissima. 



Leaves bright green, ciliate, not strongly reticulated ; fruit red. 



12. Z. Canadensis Marshall. 7 

 Leaves pale, persistently densely pubescent beneath. 



13. Z. Xylosteum Linnaeus. 

 Leaves cordate, glabrous. 14. Z. Tatarica Linnseus. 



Bracts of peduncle broad, foliaceous. 15. Z. involucrata (Richardson) Banks. 



Explanation of Plate XX. 



A. Lonicera altissima. Branch. One half natural size. 



B. Partly formed fruits showing ; b, scars of bractlets. Natural size. 



C. Seeds. Natural size. 



D. Peduncle and flowers. Natural size. 



E. Leaf showing strong reticulation, under side. Natural size. 



( 7 Lonicera glauca Hill. ) 



