58 



ERICACEAE 



style. Capsule 5-eelled, depressed-globose and 5-lobed. lunbilieate at apex and 

 base, dehiscent from the base upward; edges of the valves cobwebby when opening, 

 persistent on the axis. Embryo minute. — Spe- 

 cies 15, North America, Europe and Asia. (Di- 

 minutive of Pyrus, classical name of the Pear 

 Tree, on account of resemblance in the leaves of 

 one si^ecies.) 



Stigma peltate, without rhig or collar ; style straight ; 

 flowers 2% to 3 lines wide. 

 Eaeeme not one-sided; style included; leaf -blades 



roundish 1. P. viinor. 



Bacenie one-sided ; style slightly exserted ; leaf- 

 blades ovate 2. F. secunda. 



Stigma 5-lobed, subtended by a distinct ring or collar; 

 style curved, longer than the corolla, the apex 

 upturned; flowers 4i/o to 6 lines wide. 

 Plants with green leaves. 



Flowers pink or red ; leaves thin..3. P. asarifolia. 

 Flo%vers white or whitLsh to brownish; leaves 

 coriaceous. 



Leaves white-veined 4. P. picta. 



Leaves not white-veined 5. P. dentata. 



Plants with few leaves or with reduced (scale-like) 

 leaves or at times leafless or apparently so. 



G. P. apUylla. 



1. 



(Fir 



Fig. 308. Ptrola minor L. a, 

 habit, X %; ft, stamen, X 4; c, pis- 

 til, X 3 ; d, capsule, X 4. 



P. minor L. English Wintergreen. 

 308.) Scapes 5 to 9 inches high; leaf- 



blades round 

 to oval, mi- 

 nutely serru- 

 late, thin, % to 114 inches long, the margined 

 petiole mostly shorter; raceme % to 1 inch long; 

 corolla globose, white or rose-color. 



High montane, 7000 to 10,000 feet : San Ja- 

 cinto and San Bernardino mountains; Sierra 

 b L Nevada from Tulare Co. to Modoc Co. North 



America, Europe and Asia. Rare in California. 

 July-Aug. 



Q \ II Locs. — S. Cal.: Bound Valley, San Jacinto Mts., 



Munz 6395 ; South Fork Santa Ana Elver. San Bernar- 

 dino Mts., Muns 6189. Sierra Nevada: Junction Mdw., 

 Kern Canon, Jepson 5025 ; Big Mdws., Bubb's Creek, 

 Fresno Co., S. W. Avstin 631 ; Palisade Creek, Middle 

 Fork Kings Elver, E. Ferguson 520 ; Home Camp Creek, 

 Huntington Lake, A. L. Grant 1418; Lassen Creek, Mo- 

 doc Co., E. M. Austin 142. 



Eefs. — Pyrola minor L., Sp. PI. 396 (1753), type 

 European; Jepson, Man. 737 (1925). 



2. P. secunda L. One-side Wintergreen. 

 (Fig. 309.) Scapes 5 to 9 inches high; leaf- 

 blades ovate, minutely serrulate, thin and green, 

 1/2 to 1% inches long, the margined petiole 

 shorter than the blade; raceme one-sided, dense, 

 % to 1 inch long; petals white, with two tubercles 

 at ba.se inside. 

 IMontane pine woods, 4500 to 7800 (or 10,500) feet: San Jacinto and San Ber- 

 nardino mountains; Siei'ra Nevada from Tulare Co. to Modoc Co.; Humboldt Co. 

 to Siskiyou Co. North to Alaska, east to ilaryland. Europe. Asia. July. 



Fig. 309. Ptrola secunda L. a. 

 habit, X V2 ; 6. A., with 2 petals re- 

 moved on one side, X 3 ; c, petal, X 3 ; 

 d, stigma, X 4 ; e, f r., X 3. 



