374 xlvtii. R0SACE2E (oliver). [Pygewni. 



margin softly hairy. Style short. Fruit dry, depressed-globose or trans- 

 versely ellipsoidal, 4-5 lines in diameter. 



Upper Guinea. Camaroons mountain, 7000-7500 ft., Mann! 

 Lower Guinea. Pungo Andongo, Angola, 2400-3800 ft., Dr. Welwitsch! 

 Mozamb. Distr. Foot of Mount Tschiradzura, 3000 ft., and near Mungazi (leaves 

 nearly entire), Dr. Kirk ! 



5. RUBUS, Linn.; Benth. et Hook. f. Gen. Plant, i. 616. 



Calyx-tube shallow short, lobes 5, persistent. Petals 5 or 0. Sta- 

 mens indefinite, perigynous. Carpels indefinite, inserted upon a convex 

 receptacle ; " ovules geminate, collateral, pendulous" ; style subter- 

 minal. Achenes drupaceous or dry, 1-seeded ; the receptacle usually be- 

 coming succulent. — Shrubs (or herbs) usually scrambling and aculeate. 

 Leaves 3-5-foliolate, leaflets ternate or imparipinnate in Tropical African 

 species. Stipules shortly adnate to the petiole, then narrow-linear. 

 Flowers paniculate. 



A large genus, generally diffused through both hemispheres, but most numerous in 

 perplexing vanetal or specific forms in the North temperate zone. 



Leaves pinnate. Petals or shorter than calyx. 



Leaflets glabrate or pubescent beneath 1. B.pinnatus. 



Leaflets hoary-tomentose beneath 2. B. apetalus. 



Leaves (at least on flowering branches) 3-foliolate, tomentose beneath. 

 Petals shorter than calyx. Stem tomentose, glands or but few 



above 3. B. rigidus f 



Petals twice as long as calyx. Stem tomentose and densely 



glandular-pilose 4. B. Steudneri. 



1. R. pinnatus, Willd. ; DC. Prod. ii. 556. A loosely scrambling 

 or scandent shrub, sometimes reaching 10-15 ft. ; extremities finely 

 and thinly appressed- tomentose piiberulous or glabrate, aculeate, with- 

 out setae or spreading hairs, usually furrowed or somewhat angular ; 

 prickles decurved. Leaves pinnate excepting immediately under the 

 inflorescence ; lateral leaflets 2-jugate from ovate-lanceolate to ovate, 

 acute or acuminate, rounded at the base, unequally serrate, on petio- 

 lules of ^-^ in. ; terminal leaflet but little larger or equalling the lower 

 ones, all glabrous or glabrescent above, glabrate or minutely pubescent, 

 strongly nerved and often aculeate on the midrib beneath. Panicle 

 terminal, usually leafless, rather lax, more or less hoary-tomentose. 

 Calyx-lobes linear-lanceolate, acuminate. Petals wanting or scarcely 

 exceeding the thinly silky or at length glabrous carpels. Achenes dry 

 or nearly so, sculptured. 



Upper Guinea. Camaroons mountain, above 4000 ft., Mann! Clarence Peak, 

 Fernando Po, and St. Thomas, 5000 ft. Mann! 



Lower Guinea. Golungo Alto, Angola, 2400 ft., Dr. Welwitsch! 

 The same plant occurs in St. Helena and at the Cape. 



2. R. ape talus, Pair. ; DC. Prod. ii. 557. Stem softly pilose- 

 tomentose or -pubescent, hairs spreading, aculeate, setae 0, prickles 

 sharply decurved. Leaves pinnate, petioles hairy and aculeate as. the 

 stem j lateral leaflets 2-jugate, all ovate or ovate-elliptical acuminate, 



