28G xxxi. ZYGOPHYLLEiE (oliver). [Zygophyllum. 



Lower Guinea. Mossamedes, Dr. Welwitsch ! 



Description abstracted from manuscript kindly lent by Dr. Welwitsch. 



3. Z. album, Linn. ; DC. Prod. i. 706. A minutely papillose-pubes- 

 cent or hoary, decumbent, irregularly branching shrub ; the branches often 

 as thick as a goose-quill. Leaves diphyllous, fleshy ; leaflets oblanceolate to 

 obovoid or ellipsoidal obtuse, 2-4 lines long, on a thick fleshy petiole of 2-5 

 lines. Peduucles i-£ in. Sepals rotundate or obovate-elliptical, slightly 

 concave or cucullate above. Petals with a roundish slightly toothed lamina, 

 with a distinct claw. Staminal scale entire or denticulate. Fruit deeply 5- 

 lobed, obcordate or turbinate-spherical ; the lobes occasionally produced and 

 divergent above, usually J— $ in. in length. — Z. prolifermn, Forsk. Fl. iEgypt- 

 87' {fide Boiss. Fl. Orient, i. 915). 



North Central. Everywhere in the desert (Brown in Denh. et Clapp. App. 230). 

 Nile Land. Nubia (Schweinf. et Asch. Enum.). 

 Also in North Africa and Arabia. 



4. Z. coccineum, Linn. ; DC. Prod. i. 706. Decumbent shrub, 

 similar in habit to Z. album, wholly glabrous. Leaves diphyllous, fleshy ; 

 leaflets clavate or cylindric-clavate to subobovoid, usually 2-3 lines long on 

 fleshy petioles of %-\ in. Peduncles \-\ in. Structure of flowers similar 

 to that of Z. album ; the staminal scales entire or denticulate ; the petals 

 somewhat apiculate. Fruit glabrous, clavate-prismatic, acutely 5-angled; 

 apex retuse, 3-5 lines long. — Z. desertorum, Forsk. Fl. iEgypt. 87. Z.pro- 

 pinquum, Decaisne in Ann. Sc. Nat. Ser. 2. iii. 283 (fide Boiss. Fl. Orient. 

 i. 915). 



Nile Land. Soturba bills, Nubia, Schweinf urth ! 



Egypt and Arabia, eastward to Scinde. — The flowers are said to be either white or rose. 



5. Z. decumbens, Delile ; DC. Prod. i. 705. Much branching, de- 

 cumbent, woody below, glabrous. Leaves unijugate, fleshy ; leaflets plane, 

 obovate to oblanceolate, very obtuse, \-\ in. long ; petioles equalling or 

 slightly exceeding the leaflets. Flowers numerous. Peduncles £— a in -» at 

 length deflexed. Sepals obovate, cucullate, nearly equalling the oblong- 

 spathulate white petals. Staminal scales deeply 2-fld with acute teeth. 

 Capsule deeply 5-lobed, turbinate ; apex entire, the carpels coherent to the 

 extremity of the fruit, 2-3 lines long, 2-3 lines broad.— Delile, Fl. Mzs&- 

 Atlas, t. 27. f. 3. 



Nile Land. Soturba hills, Nubia, Schweinf urth ! and in Egypt. 

 I have seen only fruiting specimens, which agree well with Delile's figure. The de- 

 scription of the flower is copied from Boissier's ' Elora Orientalis,' i. 914. 



3. FAGONIA, Linn.; Benth. et Hook. f. Gen. PI. i. 267. 



Sepals 5, deciduous, imbricate. Petals 5. Stamens 10 ; filaments fili- 

 form. Ovary sessile, pentagonous, 5-ceIled. Style subulate. Ovules gemi- 

 nate. Fruit pyramidal, deeply 5-lobed, separating in five 1-seeded cocci; 

 endocarp homy, finally separating. " Seeds albuminous."— Much-branched 



