58 =Reseda pruinosa= _Del._ Erect or ascending herb, 1 ft. or more high. Leaves entire or trifid, narrow-lanceolate or oval. Flowers in terminal, bracteate racemes. Nubia; Red Sea Prov. (21° N. Lat., between sea level & 3-4,000 ft.). 59 =Oligomeris glaucescens= _Camb._ Erect or decumbent herb, usually glabrous and glaucous. Leaves entire, linear, fasciculate or scattered. Flowers small in loose, elongate terminal spikes. Red Sea, Dongola & Kordofan Provinces. 60 =Ochradenus baccatus= _Del._ GURDI—Arab. Much branched shrub, with virgate branches, which are often spinescent and at length leafless. Leaves narrow linear. Flowers small, spicate. Berries white. Nubia; Red Sea Prov.; Kassala Prov. (North); Darfur (Jebel Meidob and Kulme). =POLYGALACEÆ.= 61 =Polygala persicariæfolia= _DC._ Erect or decumbent annual. Leaves oval or lanceolate, acute. Flowers in extra-axillary or terminal racemes. Wing sepals rotundate-ovate, 3-5 nerved; lateral petals semi-hastate or hooked at the base. Fung Prov. (Jongol’s Post). Wing sepals elliptic and not rounded. Bahr El Ghazal Prov. (Addai: Bongo-land). Leaves broader, wing sepals less orbicular than in the type. Kassala Prov. (Gallabat). =P. abyssinica= _Fres._ Annual or perennial, up to 2 ft. high. Leaves linear or oval, apiculate. Flowers secund on terminal racemes. Wing sepals ovate to obovate, 3-nerved. Darfur Prov. (Jebel Marra, 7,000 ft. and over, and plains 20-80 m. N.E. of El Fasher). =P. liniflora= _Bojer_ ex _Chod._ Branches elongated, erect, grass-like, glabrous. Leaves narrowly linear, slightly decurrent. Racemes terminal, lax-flowered. Wing sepals elliptic, clawed, with few nerves. Darfur Prov. (Jebel Marra). =P. erioptera= _DC._ HEBEIBU (Meshra El Zeraf)—Arab, ANYAIN or LAKSHUA’I (Meshra El Zeraf)—Dinka. Erect or diffuse annual. Leaves linear or oblong, obtuse. Flowers fascicled or on racemes much shorter than leaves. Wing-sepals oval or obliquely elliptic with 1 broad median nerve. Red Sea Prov. (Soturba & between Suakin & Berber); Kassala Prov. (Gallabat); Fung Prov. (J. Moya); White Nile Prov. (J. Arashkol); Upper White Nile Prov. (Meshra El Zeraf); Kordofan Prov.; Mongalla Prov. (Mongalla). =var. canescens= _Chod._ Stems and leaves with grey, dense hairs. Red Sea Prov. (Erkowit); Kordofan Prov. =var. maxima= _Chod._ Stems and leaves at length glabrous. Khartoum Prov. (near Khartoum). =P. arenaria= _Willd_, forma depressa. Erect or diffuse annual. Leaves linear to obovate-elliptical obtuse. Flowers in dense strobiliform heads. Wing-sepals variable, oval to ovate-rotundate, often oblique, nerves faint. Fung Prov. (Jongol’s Post); Bahr El Ghazal Prov. (Jur Ghattas). =P. irregularis= _Boiss._ Low spreading, wiry plant. Leaves oblanceolate obtuse or retuse. Flowers in loose terminal racemes. Wing-sepals broad-ovate with 3 main nerves. Fung Prov.; Kordofan Prov. (Taiara, Abu Gerad). =P. acicularis= _Oliv._