Leptadenia.] lxxxv. asclepiade.k (uuowx). 435 



broad, narrowly lanceolate, plano-convex, glabrous. — Decne. in DC. 

 Prod. viii. 629 ; Hook. f. Fl. Brit. Ind. iv. 04. L. gracilis, Decne., L. 

 pi/rotechnica, Decne., and L. jacquemontiana, Decne. in Ann. Sc. Nat. 2 

 ser. ix. 2G9-270, and in DC. Prod. viii. G29 ; K. Schum. in Ann. Istit. 

 Bot. Roma, vii. 41. L. jacquemontiana, Hook. Ic. Pi. ix. t. b^H. L. 

 gracilis and L. pTjrotechnica, K. Schum. in Engl, and Prantl, Ptlauzenfam. 

 iv. ii. 269, fig. 79A and D, excl. B-C, and 270. Cynanchum pyro- 

 technicum, Forsk. Fl. ^gypt.-Arab. 53; Delile, Descrip. de I'Egypt. 

 Hist. Nat. ii. 54, t. 20, fig. 3. jSarcosiemma jryrotechiiicum, Koem. and 

 Schult. Syst. vi. 116. Microhma jyyrotechnicum, Spreng. Syst. i. 855. 



Upper Guinea. Senegal, Roger ! Heudelot, 482 I 



KTortJti Uentral. Kanem : Tiboo country, Voyel ! 



TSiie Xiaad. Nubia, Bromjield ! Bent ! Speke 4' Grant, 775 ! bi-tween 

 S'lsiikin and Berber, Sckweinfurth 460 I ser. iii, 35! Kordofan : Wiidi Muwni, Pfund, 

 397 ! Sherkela, Muriel, L, 125 ! Soinaliland : from Kes (Ras ?) es t>()gair to Brrbera, 

 Rohecchi-Bricchetti, 322 (ex Schumann). 



Extends through Arabia into the drier pans of India. 



4. L. ? visciformis, Vaike in Oest. Bot. Zeitschr. 1870, J 4(1. A 

 leafless much branched shrub, 3 ft. high ; branches and branchlets short, 

 crowded, subvirgate, compressed, jointed. Leaves reduced to sheath-like 

 scales surrounding the nodes. Flowers unknown. Follicles mentioned, 

 but not described. 



ISxle S^aiid. British Somaliland : Ahl Mountains, near Maid.. Hildehrandt, 

 1432. 



I have not seen this pLuit. Yatke states that it may be a species of Peripluca, 

 which recalls to mind by its habit some of the Asiatic species of Jl.scum. 



43. ORTHAISTTHEBA, Wight,Contrib. Bot. Ind. 48. 



C2i\yx 5-partite. Corolla-tube elongated, more or less in Hated 

 at the base, often with the inflation extending between the 

 sepals into 5 blunt angles; lobes 5, erect or spreading, valvate in 

 bud. Corona arising at or near the base of the staminalcolumn, 

 of 5 erect /^-shaped lobes, adnate to the column between the 

 anther-wings, reaching nearly or quite to the base of the anther- 

 cells, with broad free outstanding margins diverging downwards ; 

 coronal-lobes at the mouth of the corolla-tube none or reduced to very 

 minute and inconspicuous papilloe or folds. Staminal-column aiising 

 from the bottom of the corolla-tube and enclosed in the intlatetl part ; 

 anthers erect, linear in the fertile part, apiculate ; anther-wings beUw 

 the pollen-cells decurrent on the filament part, subparallel or diverging 

 downwards. Pollen-masses erect, with a pellucid margin at the apex, 

 solitary in each anther- cell, attached in pairs by slender caudicles to the 

 pollen-carriers. Style equalling or shorter than the anthers which sur- 

 round the slender conical or needle-like terminal part. Follicles terete 

 and acute or fusiform and acuminate, smooth. Seeds crowned with 

 a tuft of hairs.— Erect, virgate shrubs, leafless or with linear leaves, 



