406 ALABASTRA DIVERSA. 
to be dicecious, sharing alone with Cladostiyma Radlk. this pecu- 
liarity among Convolvulacee. In Vatke’s original description of H. 
africana two of Hildebrandt’s Be bers were Cit ted—n amely, Nos. 1525 
and 1584—+the latter of which is attached to a plant having flowers 
markedly different from those of No. 1525, inasmuch as their two 
outer sepals are not partly adnate to the pedicel and enlarged so as 
to enclose the flower and fruit, which is a main characteristic of 
the g i 
bra natin afore Somaliland which, as I am niahie to refer them to 
either of ie above, I here proceed to charwatatiie, The first of the two 
was discovered by Mrs. Lort Phillips; the second came in the valuable 
parcel presented to the Museum in 1895 by Dr. Donaldson Smith. 
ulata, sp. nov. Ramosa, ramis divaricatis apice nudis 
sed verisimiliter espinosis, Gosellis “foliis et (floram masculorum 
solummodo) calycibus albo-sericeis, ag oblorgo-oblanceolatis ob- 
tusissimis vel ctnadyiisd non retusis in petiolum brevem 
extenuatis utrinque } pilis sericeis aibrachitis malpighiaceis appressis 
dense obsitis, ramulis abbreviatis pluri- (raro_uni-) floris, floribus 
fil. mase. oblongo-ovatis obtusis interiora oblonga paullo superan- 
tibus fl. fem. rotundatis utrinque obtusissimis margine sparsim un- 
us minimis ae obtusis concavis, co masc. 
semi-4-fida fl. 2—4-fida extus — et aporeele puberula 
lobis ovatis eters staminibus 4, filamentis fi. mase. inequilongis 
basi agree fl. foom. antheris badeees canes capsula ignota 
ami cirea 0-3 em. diam. (plantz masc. vero tenuiores), cortice 
tenero nee areolatim fisso obducti, seniores reliquiis ramulorum 
ayaleesealaps folii- et floriferorum tuberculati. Folia modica 0-7 cm 
ong., 0-3-0°4 em. lat.; petioli 0-1-0°2 cm. long., appresse sericei, 
Bracteolw filiformes, rufo- -hirtule, 0°15 cm. long. ” Fl. mase. pedun- 
culus vix 0-1 em. long., fi. fom. 0°6-0°8 cm. long. Fl. mase. 
calyx 0°1-0°2 em. long., fl. foem. se epala exteriora in toto 0:7-0°8 cm. 
long., cujus vix pars tertia A exxculo adheerit, ees arcte 
reticulato-venosa, ig viridia, sepala interiora vix 0-1 cm. long 
Corolla 0-7 em. lon 
iffers tron H. africana by reason of, inter alia, its smaller 
leaves, glabrous undulate- crenulate outer sepals of the female flower, 
and filaments of the female flowers without any sign of an anther 
H. somalensis, besides be g penta eget has its female flowers 
invested by a quite poy ae Bh shaped calyx. 
Dr. ae Smith’s plant I propose to name— 
H. obcordata, sp. nov. Ramis divaricatis cinereis areolatim 
fissis, foliis breviter petiolatis obcordatis basi cuneatis supra glabris 
Sa ececceaeien ca en 
