166 HANDBOOK 14 8, U.S. DEPARTMENT OF AGRICULTURE 



18. Bud scales firm, in 4 vertical rows, pointed at tips, 

 persistent, appearing tightly laced around twig base 

 for several months; bark grayish brown; shrubs to 5 

 feet high; at higher sites. 



purpleflower honeysuckle (Lonicera conjugialis). 

 18. Bud scales thin-papery, not as above. 



19. Twigs 4-lined or 4-ridged, appearing square, often 

 coarse, finely hairy, glandular-hairy, or hairless; 

 bud scales about equal in size, straw-colored, pointed 

 at tips; berry bracts stalked, dark reddish, drying- 

 persistent after berries fall, on youngest twigs (stalks 

 often persisting for 2 years) ; erect or straggling 

 shrubs to 10 feet high; middle to higher altitudes; 

 commonest honeysuckle in e. Oreg., e. Wash. 



bearberry honeysuckle (Lonicera involucrata). 

 19. Twigs not as above; lower bud scales smaller and 

 straw-colored, upper ones larger, purplish with 

 whitish veins, rounded at tips; bark gray or straw- 

 colored; branches widely spreading; erect shrubs to 

 5 feet high; at higher sites. 



Utah honeysuckle {Lonicera utahensis). 

 17. Leaf scars with 5 or more bundle traces; twigs coarse, 

 their bark with small, whitish pores (lenticels) ; end buds 

 about }i inch long, larger than side buds; fruits (samaras) 

 with winged "seeds" (nutlets), stalked, in stalked, 

 elongated clusters, often winter-persistent ; valuable 

 hardwood timber trees; on rich, moist soils, river 

 valleys; common w., occasional or rare e. side of 

 Cascades, Oreg., Wash. ash, maple. 



20. Bundle traces many, fused into a band; leaf scars 

 broadly U-shaped to half-round, not meeting or con- 

 nected by line or ridge around twig; buds dark brown 

 to nearly black, conical; end buds pointed at tip, with 

 4 pairs of bud scales visible, sometimes with an erect 

 leafstalk at one side; fruits persistent, in stalked 

 clusters (panicles) from leaf scars on second-year 

 wood, each "seed" tipped by a single wing which runs 

 down on each side to near its base; twigs somewhat 

 brownish-scurfy -hairy at first, becoming nearly hair- 

 less and a shiny dark reddish brown. 



Oregon ash (Fraxinus latifolia). 

 20. Bundle traces 5-7, distinct; leaf scars narrow, V- 

 shaped, meeting or connected by line or ridge around 

 twig; buds about same color as twigs; end buds with 3 

 pairs of bud scales, almost globe-shaped, abruptly 

 pointed or rounded at tip; fruits in stalked, elongated 

 clusters (racemes) at tips of twigs on female trees, each 

 2-winged and with 2 yellowish-hairy "seeds," the 

 wings at almost right angles to each other; twigs pale 

 to bright green or dark reddish, often with whitish, 

 waxy "bloom"; the only native maple in Oreg. and 

 Wash, with milky sap; often planted for shade in cities. 

 bigleaf maple (Acer macrophyllum). 



