SAXWRAGACE^. (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-pubescent 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. PYKUS, L. Pear, Apple, &o. 



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

 sile or unguiculate. 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. AMELANCHIEK, 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. PEEAPHYLLUM, 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. SAXIFRAGACE^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 



