380 Lxxxv. ASCLEPiADE.E (brown). [Dfemia. 



pendulous, solitary in each anther-cell, compressed, attached in pairs to 

 the pollen-carriers by their tapering ends, without caudicles. Follicles 

 lanceolate, echinate or smooth. Seeds crowned with a tuft of hairs. — 

 Twiners, with opposite cordate leaves, and sublateral pedunculate 

 corymbs or racemes of moderate-sized flowers. 



Species 4, of which 2 extend through Arabia and Syria into India, 2 occur in 

 South Africa, and 1 in Madagascar. 



Leaves densely but minutely tomentose on both sides ; 

 inflorescence (including the peduncle) 1-2 in. 

 lonj^ . . . . . . . , 1. J), cordaia. 



Leaves g-labx-ous or pubescent, not tomentose ; in- 

 florescence (including the peduncle) 2-16 in. 

 long^. 

 Corolla-tube about half as long as the lobes or 

 less ; spur of the inner coronal-lobes arising 

 ^-f lin. above the base of the staminal- 

 column. 

 Stem glabrous or finely puberulous ; leaves 



som'ewhat fleshy . . . . . 2. D. garipensis. 



Stem with a pubescence of long and short hairs, 

 or somewhat hispid ; leaves thin, not 

 fleshy . . . . . . . 3. D. extensa. 



Corolla-tube § to as long as the lobes ; spur of 

 inner coronal-lobes arising 1-1^^ lin. above 

 the base of the staminal-column . . , 4. i). barhata. 



1 . D, corclata, R. Br. in Mem. Wern. Soc. i. 50. Stems shortly 

 tomentose, with or without a mixture of long hairs, sometimes slightly 

 hispid. Leaves deflexed ; petiole J-f in. long; blade ^-IJ in. long, 

 5 lin. to 1\ in. broad, cordate-orbicular or cordate-ovate, apiculate or 

 shortly cuspidate, rather thick, tomentose on both sides. Flowers in a 

 corymb-like raceme, which (including the peduncle) is 1-2 in. long, 

 tomentose or shortly and softly hairy, as are also the J-1 in. long 

 pedicels, and the 1-2 lin. long ovate acute sepals. Corolla-tube 1^-2 

 lin. long; lobes 3-3^- lin. long, oblong-ovate, acute, bearded along their 

 margins. Outer and inner coronal-lobes as in D. extensa, except that 

 the inner coronal-lobes rarely exceed 2h lin. in length and have a shorter 

 spur, which is about J lin. long. Follicles iJ-SJ in. long, ovoid, 

 acuminate into a beak, more or less echinate, sometimes nearly smooth, 

 minutely tomentose. Seeds J in. long, \ in. broad, nearly flat, ovate, 

 margined, minutely tomentose on both sides. — Decne. in DC. Prod. viii. 

 544. D. incana, Decne. in Ann. Sc. Nat. 2 ser., ix. 336. J), tomen- 

 tosa, Pomel, Nouv. Mat. Fl. Atl. 82 ; Vatke in Oest. Bot. Zeitschr. 

 1876, 146 ; K. Schum. in Engl. & Prantl, Pflanzenfam. iv. ii. 258. 

 Pergularia tomentosa, Linn. Mant. i. 53. Asdepias cordata^ Forsk. 

 Flor. ^:gypt.-Arab. 49. 



Wile Icand. Nubia : Sea-coast to between 3000 and 4000 ft., Bent ! 

 Danakil : near Fridelio, Kildebrandt, 734a (ex Vatke). 



Common in North Africa, and extends through Arabia and Syria into Beluchistan. 

 Very similar to D. extensa, but with smaller leaves and a shoi'ter inflorescence. 

 The flowers appear to be purple-brown. 



