334 
Foliorum segmenta 6-9 lin. longa. | Znvolucrum 2-3 lin. diam. 
Pappus 14 lin. longus. 
Gnaphalium indicum, Zinn.—-Irrigation channel at Khailah, alt. 
3,000 feet. A common tropical weed originating from the Old World. 
Lactuca spinosa, Lam.—Hills at Disbeh, alt. 4,000 feet. Extends 
to Spain and the Canary Islands. 
PRIMULACEA, 
Samolus Valerandi, Zinn.—Sides of irrigation channels at Khailah, 
alt. 3,000 feet. Cosmopoli tan. 
PLUMBAGINE. 
Statice teretifolia, Baker in Hook. Icon. ined..—Between Tokham 
and Ghafit. 
SALVADORACEX. 
Salvadora persica, Linn. —Shibam, alt. 1,000 feet. A small tree, 
growing in dense clumps, usually in sandy soil in the beds of the valleys. 
Widely spread both in tropical Asia and tropical Africa. 
APOCYNE. 
stricta, Decaisne.—Between Tokham and Ghafit, 2,000 
feet. Extends to Afghanistan and Scinde. Plentiful dirorghouk the 
adramaut; the flowers are very sweet scented. 
um micranthum, Stapf, n.sp., trunco "- Andes ramis 
i 
Lees pedicellis brevissimis, bracteis linearibus lanceolatisve ut 
ia tota villosulis, ealyce ad 3 in segmenta lanceolata diviso, 
pera roses tubo ad 1 anguste cylindrico abhine obconico dilatato 
extus villosulo intus lineis villosis 5 notato lobis late ovatis acutiuseulis, 
staminum caudis filiformibus sub apice clavato incrassatis villosulis longe 
exsertis. 
Dobaibah, alt. 4,000 fee 
Frutex pedalis, Folia "pa poll. longa, 1-14 poll. lata. Calyx 5 
lin. longus. dete tubus “9 lin. longus, lobi 44 lin. longi. Caudorum 
staminum pars exserta 4—44 lin. longa. 
The leaves are 6 exa like those of small specimens of Adenium 
arabicum, Balf. f., to which the species is certainly nearly allied. 
The branches, however, are more woody and the flowers considerably 
smaller and of a somewhat different shape, the widened part of the 
corolla tube being obconical. ‘The calyx is deeper divided with narrower 
segments, and the tail-shaped appendages of the stamens are very much 
more exserted than in A. arabicum, Balf. f. 
ASCLEPIADE EX. 
Calotropis era, R. Br.—Between Sibeh and Tahiyeh, alt. 700— 
. 1,300 feet, widely spread in both tropical Africa and tropical Asia. 
