130 



HANDBOOK 14S. U.S. DEPARTMENT OF AGRICULTURE 



calyx lobes, massed in much-branched, pyramidal, 

 drooping end clusters; twigs, bud scales finely, often 

 thinly hairy; buds to ){ inch long; bud scales 2 (or 3), 

 purplish brown, with leaflike veining toward tips, 

 soon spreading, falling, exposing tiny, densely 

 white-hairy, undeveloped leaves, buds then appear- 

 ing naked ; leaf scars crescent- or broadly V-shaped, 

 cushioned ; stipules, stipule scars lacking; twigs lined 

 or ridged downward from leaf scars; erect, bushy 

 shrubs with slate-gray bark; stems, branches often 

 arching near tips, 3-20 feet high; open woods, cut- 

 over lands or canyon bottoms, e. Oreg., e. Wash.; 

 type locality, Clearwater River, Idaho. 

 creambush rockspirea, or oceanspray (Holodiscus 



discolor). 

 Seed pods (capsules) 3-parted, sticky-resinous, 

 mostly fallen from their stalked, cuplike disks which 

 persist in elongated, branched, compound, stalked 

 clusters; twigs dotted with tiny, reddish resin blis- 



Enlarged, persistent calyx 

 lobes, disk, "seed" 



Topmost side bud 



Jft Outer bud scales somewhat 

 leaflike, often spreading 

 and falling 



Side bud 



Ridged stem 



+ -J 



Enlarged twig showing leaf 

 scars, bundle traces, 

 buds, and bud scales 



Bundle traces 3, largest in 

 middle of leaf scar 



Creambush rockspirea 



I- CMOS-- 



