124 



RHAMNEyE. [Ceanoihus. 



Tab. XLIV, A. Rhamnns oleifolius ; from California. B. Portion of the fruit-bearing specimen, from the 

 Columbia i— natural size. Fig, 1, Flower ; Jig, 2, Section of do. ; Jig. 3, Young fruit ; fig, 4, Section of 

 do. ; fig, 5, Berry ; — magnified. 



4. R,? cuneatus; ramis subferrugineo-pubescentibus, foliis oppositis in axillis fascicu- 

 latis coriaceis brevissime petiolatis cuneatis obtusis retusisve supra glabris subtus pubes- 

 centibus albidis reticulatis. — '^ Rbamnus." Douglas^ MSS, 



Hab. North -West America. Abundant near the sources of the Multnomak River, in sandy soils, grow^ 

 ing under the shade of Pinus Lambertiana, Douglas. — I have retained this in the genus Wiamnus, it being 

 so named by Mr, Douglas in the Herbarium of the Horticultural Society : but when its flowers and fruit 

 shall be knowTi, it will probably prove to be something very diflferent, even from the Order Rhamnece, It con- 

 stitutes a harsh shrubs from four to twelve feet high, with numerous, stout, rigid, terete, opposite, subpatent, 

 and subspiniform branches, very leafy, and clothed with a rusty-coloured down. Leaves, the largest of them 

 scarcely an inch long, and those oblong, cuneate at the base, while those on the younger parts of the branches 

 are more decidedly cuneate, and smaller, all of them opposite, bearing clusters of young leaves and branches in 

 the axils, coriaceous, the margins slightly revolute, entire, the apex obtuse, retuse, emarginate, and some- 

 times tridentate, glabrous, and very obscurely obliquely nerved on the upper surface ; beneath downy, with 

 the nerves oblique, close, prominent, brown, and reticulated Avith transverse veins, the areolce of these veins, 

 when seen under a microscope, are tilled with a beautiful, short, dense fascicle of hairs, which hairs originate 

 in a circle, and all converge towards the centre of the little tuft, lying nearly flat. From the axils of some 

 of the leaves, and from a terminal pair in others, arises a peduncle? clothed with rusty-brown hairs, and 

 bearing a globose bud, or cluster of buds, (apparently of very young flowers,) sxirrounded by small, rusty, 

 closely-pressed bractecB? But of the nature of these flowers I can make nothing. The whole plant 

 yields, even when not rubbed or bruised, a balsamic odour like that of some Balsam-Poplars^ mixed with 

 a powerful astringency, resembling the smell of young Birch twigs. — It is to be hoped that during his 

 present arduous journey through North -West America, Mr. Douglas will obtain flowering and fruit-bearing 

 specimens of this singular plant. 



2, CEANOTHUS. Linn, 



Cal, 5-iidus, campanulatus, post antliesin medio circumsclssus, basi sub fructu persis- 

 tente, subadhaerente. Pet 5 parva longe unguiculata fornicata, rarius 0. Stam, exserta, 

 ante petala. Styli 2-3 ad medium coaliti. Bacca exsucca 3-locularis (rarius 2-4-loc.), 

 cocculis chartaceis 1-spermis basi perviis latere interiore dehiscentibus. Semina ovata 

 sulco destituta.^ — Frutices inermes, foliis ovatis. DC, 



Sect. Euceanothus. DC, 



1. C Americanus ; foliis ovatis acuminatis trinerviis glanduloso-serratis subtus pubes- 

 centibus, thyrsis elongatis, rachi pubescente, DC, — Linn. Sp, PI, p, 284. Sims, Bot. Mag. 

 t 1479. Mich. Am. v. I. p, 154. Pursh, 1%. Am. v, hp. 167. De Cand. Prodr. v. 2. p. 31. 

 Torrey, FL of Un. St. v, 1, jo. 280. Elliott, Carol, v. I, p. 290. Bigel. Fl. Bost. ed. 2. p. 91. 



Hab. Throughout Canada. Michaux, 



2. C. intermedins; foliis oblongo-ovalibus obtusis glanduloso-serrulatis triplinervibus 

 subtus pubescentibus, paniculis axillaribus corymbosis. — Pursh, Fl. Am. v. I. p. 167. 

 Flliott, Carol, v. h p, 290. De Cand, Prodr. v. 2. p, 32.— C. ovalis. Bigel. Fl. Bost ed, 2. 

 p. 92. 



Hab. Upper Canada, Mr. Goldie. Lake Huron. Dr. Todd.^1 possess the C, ovalis of Professor Bigelow 

 from my friend Dr. Boott, and it is the same as what I consider to be the C. intermedins of Pursh. 



