ERICACE^. 



243 



525. DABEOCIA. 



1 . polifolia. L. elliptic. Fl. in racemes. 

 s.S. 6, 7- Featy. Irel. Anjou in one spot. 

 w. Pyrenees. 



536. AZALEA. 



1. procuittbens. Procumbent, niuch 

 branched. L. opposite, persistent, on sbort 

 stalks. El.-stalks solitary, terminal. s.S. 

 7, 8. Eigh. Sc. Alps. Pyr. 



527. RHODODENDRON. 



£l. Mowers in umbels. Corolla funnel-shaped. 

 Stamens bent down. 

 1. ferrugmeum. Cal. short. Segments 

 broadly ovate. L. covered beneath mth scale- 

 like glands, at last ferrnginoiis. s.S. 7, 8. 

 Granitic rocks and pastures. Alps, common. 

 Jura and Pyr. rare. 



2. intermedium. Segm, of Cal. obloiigo- 

 lanccolatc. L. closely covered beneath with 

 separate glandular dots, at length ferruginous, 

 remotely ciliate. s.S. 7, 8. — Koch, who (jives 

 no place. 



3. hirsutum. Segm. of Cal. oblongo-lan- 

 ceolate. L. elliptic, with stiff cilia, otherwise 

 hairless, with scattered dots beneath. s.S. 

 7, 8. Calc. mountains. Alps. 



B. Corolla rotate. Stamens spreading. 



4. Chamaecistus. Segm. of Cal. lanceo- 

 late, acuminate ; of Cor. calloso-mucronate. 

 Caps, globose. L. eUiptico-lanceolate, without 

 glands beneath. s.S. 6, 7. Calc. rocks. e.Alps. 



528. LEDUM. 



1. palustre. Stamens 10, exceeding co- 

 rolla. L. linear. Margin revolute. s.S. 

 7, 8. Boggy. Als. n. e. G. 



LXI. PYEOLACEJ]. 



No hypogyncus Disc. Seeds much smaller than the globose Aril in which they are included. 



529. PYROLA. 



A. Mowers iti racemes. 



1. rotundifolia. Stamens curved upwards. 

 Style bent down, twice as long as stamens. 

 Segm. of Cal. lanceolate, acute, recurved at top, 

 half as long as coroUa. p. 6, 7. 3foist sandy 

 or rocky woods, n. Bur. 



2. chlorantlia. Stamens cm'ved upwards. 

 Style bent do\vn, twice as long as stamens. 

 Segm. of Cal. short, obtuse, adpressed, one- 

 foiu'th as long as corolla, p. 6, 7. Woods. 

 Dan. Sw. G. occ. 



3. media. Stamens incurved. Style bent 

 down, twice as long as stamens. Segm. of Cal. 

 ovato-lanceolate, acute, p. 6, 7- Woods and 

 heaths, n. Eur. occ. 



4. minor. Stamens incm-ved. Style straight, 

 equalling stamens. Segm. of Cal. short, some- 



p. 6, 7- Woods and thickets. 



what acute, 

 n. Em-. 



5. secunda. Rac. secund. Segm. of Cal. 

 short, somewhat obtuse. Style prominent, p. 

 6, 7. Mountain thickets, n. Eur. 



B. Mowers solitary . 



6. uniflora. Stalk terminal, 1 -flowered, 

 longer than stem. p. 6, 7- Kigh and cold 



woods, rare. 



C. Flowers in umbels. 



7. umbellata. L. somewhat cuneato-lan- 

 ceolate, one-colom-ed. Bracts lineari-subulate. 

 Fil. smooth, p. 6, 7- Woods. G. rare. 



530. MONOTROPA. 



1. Mypopitys. Rac. many -flowered. Pet. 

 denticulate, p. 7, 8. Woods. 



/3. multiflora. Pet. and Stamens hairy. 



2i 2 



