142 CAPKIFOLIACEAE 



10. Leaves green. 11. 



Leaves yellow or variegated. 14. 



11. Leaves not laciniate. 12. 



Leaves laciniate. S. canadensis laciniata. 



12. Leaves glabrescent. 13. 



Leaves soft-pubescent. S. canadensis submollis. 



13. Fruit nearly black. S. canadensis. 

 Fruit greenish. S. canadensis chlorocarpa. 



14. Leaves solidly yellow. S. canadensis aurea. 

 Leaves with j r ellowish variegation. S. canadensis variegata. 



VIBUBNUM. Arrow Wood. 



Usually deciduous shrubs or small trees with pale or brown 

 wood with minute ducts and very fine medullary rays; slender 

 or moderately stout terete or 6-sided twigs with continuous 

 pith of corresponding shape; opposite somewhat raised cres- 

 cent-shaped leaf -scars with 3 bundle-traces; no stipule-scars; 

 oblong more or less stalked appressed buds with 2 valvate or 

 connate exposed scales (naked in one group) ; lanceolate to 

 ovate entire or toothed or lobed petioled leaves; small perfect 

 wheel-shaped gamopetalous 5-merous white flowers (sometimes 

 larger and neutral in the margin or throughout) in terminal 

 corymbs; and rather small often flattened inferior drupes. 



1. Buds naked: young growth very stellate-scurfy. 2. 

 Buds scaly. 4. 



2. Flowers salver-shaped, early, fragrant. V. Carlesii. 

 Flowers wheel-shaped, later. 3. 



3. Leaves very large, thin, cross-veined beneath. V. alnifolium. 

 Leaves moderate (scarcely 8X10 cm.), firmer. V. Lantana. 



4. Leaves pinnately veined, not lobed. 5. 

 Leaves palmately veined and often lobed. 17. 



5. Very stellate-pubescent: leaves impressed-veiny. 6. 

 Neither very pubescent nor impressed-veiny. 8. 



6. Flower clusters fertile, radiate. 7. 



Flower clusters globose, sterile. V. tomentosum plenum. 



7. Flower clusters flat-topped. V. tomentosum. 

 Flower clusters conical. V. Sieboldii. 



