SYNANTHERÆ. A E 
SCLEROCARPUS. Jacq., Act. helv., IX ,34, t. IL, f. 1; DC. Prodr., 
V, 566. 
SCLEROCARPUS AFRICANUS. Jacq., Ic. rar., I, t. CLXXVI; DC., Prodr., 
V, 566 ; C. H. Schultz, in pl. Schimp. Abyss., sect. 1, 1035, rr, 1648. 
S. annuus : caule érecto ramoso bipedali hirto; foliis alternis 
petiolatis ovali-acutis, basi in petiolum attenuatis margine serratis, 
utrinque hirtis; involucri externi foliolis capitulo longioribus hir- 
tis, interni squamis 3 minoribus : receptaculi squamis akenia obovata 
calva apice gibbosa involventibus, hirtis, apice in tubulum produc- 
tis, hinc gibbosis et inæqualiter bullato-ruminati 
Crescit in locis humidis provincie Chiré (Quartin Dillon), in val- 
libus provinciæ Médat , mense Aprili et in valle fluvii Taccazé , et 
in montibus vicinis; mense Augusto florens (Schimper). 
° WIRTGENIA. C. H. Schultz, in Flora bot. zeit., XXX, 435 ; Meisn., 
Gen. pl. vasc., IL, 361; Walpers , Repert., VI, 146. 
piPTEROTHECA. C. H. Schultz, loc. cit. 
WIRTGENIA ABYSSINICA. C. H. Schultz, in pl. Schimp. Abyss., sect. 11, 
819; ibid., in Walpers, Repert., VI, 146. 
W. annua : caule erecto, pedali aut sesquipedali , ramoso, his- 
pido; foliis oppositis, breviter petiolatis ovalibus acutis, distanter 
serratis, superne strigosis, subtus pilosis pallidioribus; capitulis 
pedunculatis axillaribus solitariis ; involucri squamis oblongo-lan- 
ceolatis acutis, subbiserialibus, externis dorso strigosis, internis 
glabris apice tantum strigosis; floribus externis sterilibus ; recepta- 
culi paleis obovali-oblongis apice 3-dentatis akenia æquantibus, basi 
involventibus glabris, ciliatis; calli basilaris processibus glabris, 
brevibus; akeniis sericeo-strigosis. 
Crescit circa Hiea et Arbate Enseca, mense Octobre fructifera 
( Quartin Dillon), et in incultis prope Gaptia, mense Septembre 
(Schimper ). 
