Ordbr 43.— EHAMNACE^. 291 



2 R. lanceoldtua PIi. Tkomless; Ivp. lanceolate or lance-oblong, acute at 

 each end, serrulate, somewhat downy beneath; fle. 1 to 3 together ; petals 2-lobed; 

 styles 2, at apex distinct and diverging ; drupes 2-seeded. — ^Shrub 4 to 8f high, on 

 the rooky banks of rivers, Ind. to Tenn. and Penn. rare. Lvs. about 2' long, on 

 short, but distinct petioles, often nearly glabrous when old. Ela yellowish-green, 

 perfect but often fruitless. Berries small, dark red. 



3 R. alnifolius L'Her. Shrub erect, with unarmed branoh-^s; lvs. oval, acute, 

 serrate, pubescent ou the veins beneath; ped. aggregate, 1-flowered; fls. mostly 



entandroas and apetalous ; cal. acute; sty. 3, united, very short; fi'. turbinate, 

 olaok. — A shrub 2 to 4f high, in sphagnous swamps, Penn. to Can. Lvs. 1 to 3' 

 Icnj J as wide, acute at base. Berries about as large as currants, black, 3-seeded. 

 May, Jn. (E. franguloides Mx.) 



4 R. Caroliuianus Walt. Shrub erect, unarmed; lvs. oblong-oval, obscurely 

 serrulate, acute, paler beneath ; fls. perfect, in short, axillary umbels, petals minute; 

 styles united, stigmas 3 ; fr. globular, 3-seeded. — A handsome shrub or small tree 

 on river banks, Southern Ltaics (Fcayj. Lvs. 3 1o 5' loi.g, J as wide, dark 

 green and shining above, the petioles 4 to 5" long, veins prominent. Fls. small, 

 whitish, 3 to 9 in each umbel which is not longer than the petioles. Berries pur- 

 ple. May, Jn. 



2. CEANOTHUS, L. Jersey Tea. Rbd-eoot. Calyx tubular-cam- 

 panulate, 6-cleft, separating transversely after flowering ; petals 5, sac- 

 cate-arched, witli long claws ; stamens mostly exscrted ; stylo mostly 

 S-cleft; capsule obtusely triangular, 3-celled, 3-seeded, surrounded at 

 base by the persistent tube of the calyx. — Shrubby and thornless. Fls. 

 small, aggregated at the end of the branches. 



1 C. Americanua L. Lvs. ollong-bvaie, or ovate, serrate, 3-veined; flowering 

 • branches leafy or leafless, elongated. — A small shrub with a profusion of white 



blossoms, found in woods and groves U. S. and Can. Very abundant on the bar- 

 rens at the West. St. 2 to 4f high, slender, with reddish, round, smooth branches. 

 Lvs. nearly twice as long as broad, very downy, with soft hairs beneath. Pis. 

 minuto, white, in crowded panicles from the axi& of the upper leaves. Stamens 

 enclosed in the curiously vaulted corolla. The root, which is large and red, is 

 sometimes used for coloring. The leaves have been used as a substitute for 

 tea. Jn. 



p. GLABRA. Whole plant very nearly glabrous ; panicles leafless. Wobum, 

 Mass. (Dr. Rickard.) 



2 C ovdlis Bw. Iais. oval-lanceolate or narrowly oblong, with glandular serra- 

 tures, 3-veined, veins pubescent beneath ; thyrse corymboua, abbreviated. — Bur- 

 lington, Tt. (Bobbins), W. to Mich. Shrub 2 to 3f high. Lvs. smooth and shin- 

 ing, 1 to 3' long, J as wide, mostly acute at each end, crcnately serrate, the ser- 

 ratures tipped with black, glandular points. Thyrse short, almost hemispherical, 

 IJ' diam., the peduncle 1 to 2' long. Fls. white, larger than those of the last. 

 May. 



3 C. microphallus Mx. Diffusely branched, branches very slender; te. minute, 

 obovate, rigid, glabrous, strigous beneath, clustered; fls. in a simple, umbellate 

 cluster 3,t the end of each branchlet. — Ga^ and Fla. in the pine barrens. Small 

 shrubs with yellowish, striated bark ; sts. If or more in length, branching pin- 

 nately. Lvs. 1 to 2" in length, entire or with few teeth. Fls. white in all their 

 parts, 3 to 12 in a cluster. 



13. SEEPYLLiFOLius. Sts. more slender, decumbent, branchlets (peduncles, 

 Nutt.) ascending, few-leaved, few-flowered ; lvs. rather larger (2 lo 3") oval 

 or obovate, somewhat serrulate. — Savannah (Prof. Pond.). (C. serpyllifolius 

 Nutt.) 



3. BERCHEffllA, Necker. Supple Jack. Calyx 5-parted ; petals 6, 

 convolute, enclosing the 6 stamens ; ovary half immersed in the disk 

 but free from it, 2-celled ; style bifid ; drupe oblong, with a bony, 2-ceUed 



