82 KEY AND FLORA 



common in the Coast Mountains of California. The variety Kelloggii 

 Lemmon has yellow fruit, which is sweet and palatable. It is found 

 in the northern Sierra Nevada Mountains. 



Suborder II. — RO'SE^ 



Pistils few or many (sometimes only one) separate from 

 each other and free from the persistent calyx ; sometimes, as 

 in the rose, enclosed and concealed in the hollow receptacle. 

 Stipules united to the bottom of the petiole. Many are armed 

 with spines or prickles, and some are valuable fruits, as the 

 strawberry, raspberry, blackberry. 



I. NEIL'LIA (PHYSOCAR'PUS), Ninebark, Bridal Wreath 



Shrubs without thorns or prickles, the bark becoming 

 shreddy. Leaves roundish, lobed and toothed, with large 

 stipules. Flowers in corymbs resembling umbels, on short leafy 

 branclilets disposed along the stems. Petals white. Calyx 

 5-lobed. Stamens numerous. Pistils 1-5, becoming inflated, 

 shining, 2-seeded pods. 



N. opulifolia Benth. & Hook. 3-10 ft. high, the slender stems 

 often apparently climbing over the bushes. Pods becoming reddish 

 when ripe. Widely distributed. 



II. SPIR^'A, Hardback 



Similar to the above, except that the flowers are in com.- 

 pound corymbs or panicles terminating the stems or branches, the 

 pods are membranous and not inflated, and the leaves generally 

 without stipules. Pistils 5, becoming several-seeded follicles. 



a. S. densiflora Nutt. A shrub with reddish bark, leaves almost 

 smooth. Flowers rose-j^urple, in comjDOund corymbs. In the Sierra 

 Nevada Mountains. 



h. S. Douglasli Hook. Hardhack. A shrub with reddish brown 

 bark, leaves wJiite on the lower surface, flowers rose-purple, in panicles, 

 stamens numerous, giving the cluster a woolly appearance. Northern 

 California to British Columbia. 



