PENTRANDRIA. MONCGYNIA. 155 



in terminal panicles. This species by the habit can 

 scarcely appertain to the genus. 



Of Rhamnus there are 11 species chiefly in the south of 

 •Europe, 2 in Siberia, 5 in Africa and its islands, 10 in the 

 warmer parts of America, 1 in New-Zealand, 1 in the 

 Azores, 2 in China, one of which is common to India; of 

 these the R. theezans passes as a substitute for tea 

 among" the indigent Chinese. 



228. ZIZYPHUS. Tournf. (SuppIe-Jack.) 

 Calix 5-cleft. Petals 5, resembling scales 



inserted into the glandulous calycine disk. 

 Shjles 2, Drupe 2-celIed, one or two seeded, 

 one of the cells and seeds often abortive. 



Small trees or shrubs with alternate leaves; flowers 

 axillary and ternrinal. Nearly allied to Rhamnus. 



Species. 1. Z. volubilis. {(Enoplia volubilis. Persoon.) 

 Stem shrubby, twining-, racemes many-flowered, axillai-y 

 and terminal; flowers dioicous. 



. Of Zizyphus, there are 6 species in India, 1 in China, 

 S in Africa, 1 in Europe, 1 in the Antilles, and another in 

 Peru. The fruit of Z. Lotus is eaten by the Africans, 

 and that of Z. Jiijuba by the natives of India. 



229. CEANOTHUS. L. (New-Jersey tea> Red- 

 root) 



Calix turbinate, 5-cIeft. Petals 5 sqiiami- 

 form, with long claws. Stigmata 3. Capsule 

 o-angled, 3-celled, 3-seeded, tripartile, opening 

 on^the inner side. 



SuflTriiticose or shrubby; leaves alternate; flowers copi- 

 ous, axilhiry and terminal in pedicellate panicles coryra- 

 boseiy or dichotomously divided; calix coloured, persis- 

 tent, segments arched inwards, glandulous disk 10-toothed> 

 Flowers widte. Roots large and very thick, reddish and 

 astringent. Nearly allied to the genus Pomaderris of 

 New-Holland. 



Species. 1. C amencayms. 2. intermedium, Ph. 3. sangui- 

 neus. Ph. Suffruticose; leaves oblong-obovate serrate, 

 under side pubescent, panicle short and axillary; flowers 

 crewded, subfastigiate. — On the banks of the Missouri, 

 abundant below the confluence of the river Platte. Near 

 the Rocky Mountains. — Jl. Lewis. A much larger plant 

 than C. americcmus, which it considerably resembles; the 

 leaves are equally large, but speaking from recollection 



