274 xcn. sckophulakiace^; (hemsley and skan). [Aptosimum. 



Lower G-uinea. German South-west Africa : Great Namaqualand ; Reho- 

 both, Meek, 472, 490 ; Kces-Riedmond, Pfeil, 140. 

 Also in extra-tropical Great Namaqualand. 



2. PELIOSTOMUM, E. Meyer; Benth. et Hook. f. Gen. PI. ii. 927. 



Calyx 5-partite ; segments narrow, subvalvate. Corolla-tube 

 enlarged above the base into a long throat ; limb spreading, 5-hd ; 

 lobes flat, subequal, rounded, the 2 upper outside. Stamens 4, didy- 

 namous, affixed near the base of the corolla, included ; filaments filiform ; 

 anthers transverse, ciliate-hispid or more rarely glabrous, 1-celled by 

 confluence, all equally perfect. Style filiform ; stigma small, emargi- 

 nate. Ovules numerous. Capsule ovoid-oblong, acute or subacute, 

 bisulcate, loculicidal and septicidal. Seeds small, striate-rugose ; 

 embryo straight or slightly curved ; cotyledons ovate. — Herbs or shrubs 

 often viscous. Leaves alternate, quite entire. Flowers sessile or 

 shortly stalked, axillary or the upper in a terminal raceme or spike ; 

 pedicels usually minutely bibx'acteolate. 



Species 7, all, except the following, natives of extra-tropical South Africa. 

 An undershrub, often procumbent at the base; branches 



covered with a whitish corky layer at the base . 1. P. leucorrhiziim. 

 A perennial herb, erect ; branches without a whitish 



corky layer . . . . . . 2. P. Lugardce. 



1. P, leucorrhizTim, E. Meyer ex Benth. in Bot. Reg. sub t. 1882. 

 A rigid much-branched nearly glabrous undershrub 3-12 in. high or 

 more, often covered on the bases of the branches, stem and on the 

 frequently much-thickened rootstock with a whitish corky layer ; 

 primary stem erect or procumbent ; brauches slender, woody at the 

 base. Leaves linear-lanceolate, linear-obovate or linear, 1|— 12 lin. 

 long, obtuse, fleshy, glabrous or minutely puberulous. Flowers axillary. 

 Peduncles J— f lin. long ; bracts linear, very small. Calyx-segments 

 ]-l|- lin. long, narrowly linear, acute, minutely puberulous or glabrous. 

 Corolla sparsely and minutely hairy outside, deep blue ; tube about G 

 lin. long, nearly straight, tubular-funnel-shaped, about 2 lin. in diam. 

 at the mouth ; constricted basal part often longer than the calyx ; 

 limb slightly oblique ; lobes suborbicuiar, 1J-2 lin. in diam. Anthers 

 ciliate. Capsule ovoid-oblong, li-2f lin. long, much longer than the 

 calvx, subobtuse or scarcely acute. — Benth. in DC. Prodr. x. 346 ; Hiern 

 in Dyer, Fl. Cap. iv. ii. 135. 



Mozamb. Bist. Transvaal : Mahilas Kop, 2800 ft., Schlechter, 4572 (ex 

 Hiern). 



Also in South Africa. 



Var. Unearifolium, Weber in Bull. Herb. Boiss. 2 m « ser. iii. 904. Resembles 

 the type in habit and has the whitish corky layer on the bases of the branches. 

 Leaves narowly linear, 10-12 (rarely 15) lin. long, glabrous. Calyx-segments 

 narrowly linear, 2^-3 lin. long. Capsule only slightly longer than the calyx. — P. 

 Unearifolium, Schinz ex 0. Kuntze, Rev. Gen. PI. iii. ii. 238. 



lower Guinea. German South-west Africa : Great Namaqualand ; Reho- 

 both, Fleck, 155a Hereroland ; Otyimbingue, Rautanen, 38, Liideritz, 120, 



