fit**] XXXIX. OLAClNKfi (OLIVER). 317 



Nile Land. Abyssinia, Schimper ! and others ; White Nile, Speke and Grant ! 

 Mnnar, Cienkowski. 



Lower Guinea. Angola, Dr. Wehcitsch! 



Mozamb. Distr. Zambesi, Dr. Kirk! 

 -!*•*■ mlc rophylla (Welwitsch). A glaucous virgate shrub of 2-4 ft. Leaves $-\ in. 

 '-alfi-lobes shortly and broadly ovate. Style short. Bumbo, Angola, Dr. Welwitsch ! A 

 remarkable variety. 



3. PTYCHOPETALUM, Benth. ; Benth. etHook. f. Gen. PI. i. 346. 



Calyx obsolete. Petals 5 (4-6), narrow, valvate in aestivation, more or 

 Ifss pilose or bearded within about the middle. Stamens 7 or 5-8, opposite 

 o the petals, when more numerous than the petals 2-6 are inserted in pairs; 



laments aduate more or less to the petals, usually longer in the supernu- 

 merary stamens ; anthers small, elliptical. Ovary 'free, glabrous, solid or 

 slight trace of a cavity near the apex, gradually or abruptly narrowed 

 '"to the style (ovule solitary, aduate to the wall of the ovary? or, according; 

 ilr. Bentham, ovules 2 (or 3?), very small, pendulous). Fruit a small 

 Wistaceous drupe, 1-seeded. Seed albuminous with a minute embryo within 



e apex. — Shrubs or small trees, glabrous. Leaves alternate, acuminate, 

 re - lowers in few-flowered, axillary racemes. 



s pecieT al Th n<1 im P !rfect, y understood genus, including, besides the following, one Cayenne 



J • the above description is based upon the African specimens. 

 '««« ar - a ? our mat erial enables me to judge, Ptychopetalvm may be regarded as a Lorai- 

 Bsillo" the ° Valy f ' ee from tne cal y cul,ls or rather not immersed in the axis. M. 

 Mnict,! re ° af L S tne an alogy between this genus and Loranlhus iu respect to the internal 

 lure or the ovary. 



remities terete or nearly so. Leaves elliptical to ovate-lanceolate, 



Ei ;J U ' ulnate ; Petiole 1-2 lines . . . . ! \. P. petiolalum. 



"» ies 2-edged. Leaves sessile or subsessile, oval-oblong, acumi- 



• • 2. P. anceps. 



ter J ( P * Petiolatum, Oliv. A shrub of 12-15 ft.; leafy extremities 

 lancV^ nCarly S °" Leaves coriaceous, elliptical elliptic-oblong or ovate- 

 narr . 8ra(lua % acuminate, base rounded or broadly cuneate, at length 



5i(leraH ng ^ tlle P etio,e 5 principal lateral veins 3-5, broadly looping con- 

 ''foad • Wltnin tue margin, often inconspicuous ; 3-4 in. long, ly-lf in. 

 fath ' P et ' oIe 1_2 Iine s- Flowers in very short axillary racemes ; pedicels 



middl t6r tllan tlie bluls - Petals 4_5 > snort l v beaitled within about tiie 

 bei ' recury ed near the top. Stamens 5, opposite to the petals or 7, 2-6 

 of { l " ate in pairs. Ovary glabrous, rather abruptly narrowed at the base 

 " e st >te. Pruit not seen. 



\d inea - Muni aud Kongui rivers, Mann ! 



4i»Unrt?f ly , Very near to the S - American P. olacoides, Beuth., which differs in a more 

 al Jculus and in the uervatiou of the leaves. 



diatiw,* °f ce Ps, Oliv. A small tiee. Leafy extremities compressed or 



°W ed ^ ed when dry. Leaves sessile or subsessile, coriaceous, oval- 



Httt'i ae 1 Utnmate J base slightly cordate or entire, more or less rounded, 



J in. l 0ng) f _ii j n broad pi owera i n very short axillary racemes ; 



