Voi,. II.] HEATH FAMILY. 561 



2. Rhododendron maximum It. Great Laurel. Rose Bay. (Fig. 2750.) 



Rhododendron maximum I/. Sp. PI. 392. 1753. 



A tall shrub, or sometimes a tree, with 

 maximum height of about 40 and trunk 

 diameter of i. Leaves oblong, lanceolate- 

 oblong or broadly oblanceolate, dark green 

 on both sides, acute or abruptly short-acumi- 

 nate at the apex, narrowed to a mostly acute 

 base, 4 / -7 / long, i / -2>^ / wide, glabrous, 

 drooping in winter; petioles stout, >'-!' 

 long; pedicels glandular, viscid-pubescent, 

 i / -2 / long; corolla i}4 / -2 / broad, about i' 

 long, rather deeply 5-cleft into oval obtuse 

 lobes, rose-color, varying to white, sprinkled 

 with yellowish or orange spots within; calyx- 

 lobes oblong, obtuse; capsule oblong, puberu- 

 lent, 5"-7" high. 



In low woods and along streams, Nova Scotia, 

 Ontario and Ohio to Georgia, chiefly along the 

 mountains, often forming almost impenetrable 

 thickets. Wood hard, strong, light brown; 

 weight per cubic foot 39 Ibs. June-July. 



3. Rhododendron Catawbiense 

 Michx. Mountain Rose Bay. Catawba 

 or Carolina Rhododendron. (Fig. 2751.) 



Rhododendron Calazvbtense'M.iclix. Fl. Bor. Am. 

 i: 258. 1803. 



A shrub, 3-2O high. Leaves oval or broadly 

 oblong, mostly rounded or obtuse at both 

 ends, sometimes narrowed at the base, mu- 

 cronate, 3'-$' long, i^ / -2 / wide, dark green 

 above, pale or glaucous beneath; petioles 

 stout, Yz'-iYz' long, pubescent when young; 

 pedicels rather stout, pubescent, becoming 

 glabrous; corolla lilac-purple, i%'-2' long, 

 2 / -2>z / broad, 5-lobed, the lobes broad and 

 rounded; calyx-lobes triangular-ovate, acute 

 or acuminate, short; capsule linear-oblong, 

 puberulent, 8 // -io // high. 



Mountain summits, Virginia and West Vir- 

 ginia to Georgia. May-June. 



5. MENZIESIA J. E. Smith, Icon. Ined. 3. pi. 56. 1791 



Erect branching shrubs, with alternate membranous entire deciduous leaves, and small 

 nodding greenish purple slender-pedicelled flowers, in terminal corymbs or umbels, devel- 

 oped from scaly buds. Calyx 4-toothed or 4-parted, persistent. Corolla urceolate-cylindric, 

 or nearly globose, 4-toothed or 4-lobed. Stamens 8, included; filaments subulate, flattish, 

 slightly dilated below; anthers linear-oblong, awnless, attached by their backs to the fila- 

 ments, the sacs opening by terminal pores or chinks. Disk obscurely 8-crenate. Ovary 

 mostly 4-celled; ovules numerous; style filiform; stigma 4-lobed or 4-toothed. Capsule sub- 

 globose or ovoid, 4-celled, septicidally 4-valved, many-seeded. Seeds slender, the testa 

 membranous, prolonged at both ends. Parts of the flower rarely in 5's. [Named in honor 

 of Archibald Menzies, surgeon and naturalist, died 1842.] 



About 7 species, natives of North America and Japan. Besides the following, 2 others occur in 

 the northwestern parts of North America. 



Filaments glabrous; seeds pointed at each end. 



Filaments pubescent below; seeds long-appendaged at each end. 



36 



1. M. pilosa. 



2. M. glabella. 



