256 ERICACEAE. [PYROLA. 



Woods and heaths, local, from "Warwick and Worcester to Shetland ; ascends 

 to 1,800 ft. in the Highlands; N. and W. Ireland ; fl. July- Aug. Very like 

 P. minor, but larger and stouter; leaves broader, sometimes orbicular and 

 1| in. diarn., and bracts larger. Flowers in. diam. Style with a ring round 

 the base of the stigma. DISTRIB. Europe (excl. Greece, Turkey). 



3. P. rotundifo'lia, L. ; leaves orbicular-obovate, stamens ascending 

 shorter than the long decurved style, stigma-lobes minute erect. 



Moist woods and copses, rare, E. Kent, and from Norfolk and Salop to Aberdeen 

 and Inverness ; ascends to 2,500 ft. in Scotland ; Westmeath in Ireland ; Chan- 

 nel Islands; fl. July-Sept. Habit and stature of P. minor, but petioles all 

 longer and very slender ; raceme usually longer ; bracts larger, spreading ; 

 flowers in. diam,, pure white; style with a ring below the stigma. 

 DISTRIB. Europe (Arctic) (excl. Greece, Turkey), N. Asia, Himalaya, N. 

 America. 



P. rotundifo'lia proper ; bracts on the scape few, pedicels a little longer than 

 the lanceolate sepals. VAR. arena' via, Koch (P. maritima, Kenyon) ; 

 leaves smaller, bracts many on the scape, pedicels as long as the ovate sepals. 

 Sand-hills, Lancashire. (Belgium.) 



4. P. secun'da, L. ; leaves ovate acute serrate, raceme, secuiid, stamens 

 incurved shorter than the long ascending style, stigma broad lobed. 



Rocky mountain woods, rare, Monmouth, York to Eoss ; ascends to 2,400 ft. ; 

 NJB. Ireland; fl. July. Stem straggling, branches 1-4 in., ascending. 

 Leaves 1-1^ in., rosulate or alternate, rather thin, reticulate, petioles shorter. 

 Scape slender, 2-5 in., with 1-5 bracts. Racemes 1-2 in., bracteoles linear- 

 oblong. Flowers horizontal, | in. diam. Sepals obtuse, erose. Petals 

 concave, greenish-white. Style without a ring below the stigma, elongate 

 in fruit. Capsule drooping. DISTUIB. Europe (Arctic), N". and W. Asia, 

 N. America. 



SUB-GEN. 2. Mone'ses, Salisb. (gen.). Flowers solitary. Petals 

 slightly adherent at the base, spreading. Anther-cells with tubular tips. 

 Stigmatic lobes long. Valves of capsule free. 



5. P. uniflo'ra, L. ; scape 1-bracteate at the top, leaves orbicular 

 spathulate sinuate-serrate. Moneses yrandiftora, Salisb. 



Woods chiefly of pine, in the N. Highlands, from Perth and Aberdeen to 

 Sutherland; fl. June-July. Stem i-2 in., leafy. Leaves f-1 in., alternate, 

 narrowed into a short petiole, rather membranous. Flowers f in. diam., 

 nodding, then erect. /Sepals broad, obtuse, ciliate. Petals almost flat, 

 white, spreading. Filaments curved. Style without -a ring. Capsule erect ; 

 style and elongate stigmas persistent. DISTRIB. Europe (Arctic) (excl. 

 Greece, Turkey), Siberia, N. America. 



