182 MISC. PUBLICATION 303, U. 8S. DEPT. OF AGRICULTURE 
Philadelphus lewisii Pursh. Mockorange. 
P. confusus Piper. 
Range: 4, 6, 7, 8, 12. 
Site: Well-drained, moist, sun. 
Fruit: Capsule. 
A large shrub; flowers May—August. 
Var. californicus Gray, (P. californicus Benth.) occurs in region 4, Var. 
gordonianus Jeps. (P. gordonianus Lindl., P. columbianus Koehne.) occurs in 
regions 1, 2, and 4. 
Observations: Foliage browsed by deer in California; seed eaten by quail 
and squirrels. 
Philadelphus mearnsii Evans. Mockorange. 
Range: 14. 
Site: Well-drained, sun. 
Fruit: Capsule. 
A small shrub. 
Philadelphus microphyllus Gray. Mockorange. 
P. argenteus Rydb. 
; Range: 4, 11, 18, 14. 
Site: Well-drained, sun. 
Fruit: Capsule. 
A large shrub; flowers June—August. 
Observations: Mexican bighorn. 
Philadelphus occidentalis Nels. Mockorange. 
Range: 9, 11, 12, 13, 14. 
Site: Well-drained, sun. 
Fruit: Capsule. 
A small shrub; flowers July—August, very floriferous and fragant. 
Philadelphus pubescens Loisel. Mockorange. 
Range: 25, 29. 
Site: Well-drained, sun. 
Fruit: Capsule. 
A large shrub; flowers June—July. 
Var. intectus Moore, (P. intectus Beadle) occurs in region 25. 
Philadelphus pumilus, see Philadelphus serpyllifolius. 
Philadelphus serpyllifolius Gray. Mockorange. 
P. pumilus Rydb. 
Range: 5, 9, 10, 11, 16, 20. 
Site: Dry, sun. 
Fruit: Capsule. 
A small, straggling shrub; branches commonly bent down at their ends. 
Photinia arbutifolia Lindl. (pl. 23, B). Christmasberr7. 
Heteromeles arbutifolia Roem. H. salicifolia (Presl.) Abrams. 
Range: 38, 4, 5. 
Site: Dry, well-drained, sun, shade. 
Fruit: Berrylike pome, available October—February. 
A large, bushy shrub to small or rarely large tree; evergreen; foliage dense; 
somewhat tolerant of saline conditions; not inflammable; crown sprouts vigor- 
ously after a fire or when cut; a pioneer on eroded land; extensively used for 
Christmas greens. 
Stomach records: Four species of birds, including California quail; raccoon. 
Observations: Seven species of birds, including band-tailed pigeon; of slight 
importance as browse for mule deer; much eaten by birds generally. 
Phyllodoce spp. 
Stomach records (in addition to specific records) : Mountain sheep. 
Phyllodoce breweri (Gray) Heller. Red heather. 
Range: 4. 
Site: Well-drained, sun. 
Fruit: Capsule. 
A small evergreen shrub; flowers July—August. 
