SAXIFRAGACEJ2. (SAXIFRAGE FAMILY.) 89 



C. COCCINEA, L., with bright coral-red fruit, and glabrous throughout, has 

 been reported from S. W. Colorado. 



C. TOMENTOSA, L., var. PUNCTATA, Gray, with fruit dull red and yellowish 

 with whitish dots, and leaves villous-pubesceut when young, has been reported 

 from Weber River Valley, Utah. 



The last two species, belonging to the section ERYTHROCARPA, are very- 

 common east, but their occurrence within our range is so doubtful that for 

 the present they are excluded. 



24. PYRUS, L. PEAR, APPLE, &c. 



Calyx pitcher-shaped or turbiuate ; limb 5-cleft. Petals 5, spreading, ses- 

 sile or uuguiculate. Stamens 20. Styles distinct, woolly at base. Ours 

 is a shrub, with pinnate, serrate, deciduous leaves, and white flowers in flat 

 compound cymes. 



1. P. sambucifolia, Cham. & Schlecht. A shrub 4 to 8 feet high, 

 nearly glabrous : the leaf-buds and inflorescence usually sparingly villous : / 

 leaflets 4 to 6 pairs, oblong, acute : fruit berry-like, red. From Colorado 

 to California, northward into British America and thence eastward to the 

 Atlantic. 



25. AMELANCHIER, Medicus. JUNE-BERRY. SERVICE- 

 BERRY. 



Calyx-tube campanulate ; the limb 5-parted. Petals 5, oblong, ascending. 

 Stamens 20, short. Shrubs or small trees : leaves simple, serrate : flowers 

 white, racemose : fruit purplish, edible. 



1. A. alnifolia, Nutt. A shrub 3 to 8 feet high, glabrous throughout or . 

 often more or less woolly-pubescent : leaves broadly ovate or rounded, occa- *^ 

 sionally oblong-ovate, often somewhat cordate at base, serrate usually only 

 towards the summit : petals narrowly oblong. A. Canadensis, var. alnifolia, 

 Torr. & Gray. From the Rocky Mountains to California, and eastward into 

 the Mississippi Valley. 



26. PERAPHYLLUM, Nutt. 



Flowers solitary or in sessile 2 to 3-flowered corymbs; petals orbicular, 

 spreading. 



1. P. ramosissimum, Nutt. A shrub 2 to 6 feet high, very much 

 branched, with grayish bark and short rigid branchlets : leaves narrowly 

 oblanceolate, attenuate into a very short petiole, somewhat silky-pubescent, 

 sparingly denticulate: flowers appearing with the leaves, pale rose-color: 

 styles elongated, tomentose : fruit globose, fleshy and edible. Torr. & Gray, 

 Fl. i. 474. S. W. Colorado to Utah, California, and Oregon. 



ORDER 27. S4XIFBAGACE^E. (SAXIFRAGE FAMILY.) 



Herbs, shrubs, or sometimes small trees, distinguished from most 

 Rosacea by albuminous seeds and small embryo; usually by definite 

 stamens, not more than twice the number of the calyx-lobes ; commonly 



