ORDER 43. RHAMNACE^E. 291 



2 R. lanceolatus Ph. Thornless; Ivs. lanceolate or lance-oblong, acute at 

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

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

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

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

 perfect but often fruitless. Berries small, dark red. 



R. alnifolius L'Her. Shrub erect, with unarmed branches; Ivs. oval, acute, 

 serrate, pubescent on the veins beneath; ped. aggregate, l-flowered ; fls. mostly 



entandrous and apetalous / cal. acute; sty. 3, united, very short; fr. turbinate. 

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

 Ion.?, 5 as wicie, acute at base. Berries about as large as currants, black, 3-seeded. 

 May, "Jn. (R. franguloides MX.) 



4 R. Caroliniamis Walt. Shrub erect, unarmed; Ivs. oblong-oval, obscurely 

 serrulate, acute, paler beneath ; fl-s. 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 States (Feay). Lvs. 3 to 5' long, 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. RED-ROOT. Calyx tubular-cam- 

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

 cate-arched, with long claws ; stamens mostly exserted ; style mostly 

 3-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. Americamis L. Jims, oblong-ovate, 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. Fls. 

 minute, white, in crowded panicles from the axils 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. 



3. GLABRA. Whole plant very nearly glabrous : panicles leafless. W churn. 

 Mass. (Dr. Packard.) 



2 C. ovalis Bw. Lvs. oval-lanceolate or narrowly oblong, with glandular serra- 

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

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

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

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

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

 May. 



3 C. microphyllus MX. Diffusely branched, branches very slender; Ivs. minute, 

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

 cluster at the end of each brauchlet. Ga. and Fla. in the pine barrens. Small 

 shrubs with yellowish, striated bark; sts. If or more hi 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. 



$. SERPYLLIFOLIUS. Sts. more slender, decumbent, branchlets (peduncles. 

 Nntt) ascending, few-leaved, few-flowered ; Ivs. rather larger (2 to 3") oval 

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



3. BERCHEMIA, Xecker. SUPPLE JACK. Calyx 5-parted ; petals 5,. 

 convolute, enclosing the 5 stamens; ovary half immersed in the disk 

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



