80 
Proceedings of the Royal Society 
GENTIANEiE. 
99. Exacum ciERULEUM, Balf. fit. : suffmticosum humile glabrum; 
foliis sessilibus v. subsessilibus ovatis trinerviis ; floribus pentameris 
magnis terminalibus solitariis v. in dicbasia paucifiora dispositis ; 
calycis lobis alatis ; corollse segmentis cseruleis ellipticis ; antheris 
lateraliter ad medium debiscentibus. 
Socotra, in montibus Hagbier crescens ad altitudinem supra 3000 
ped. B.C.S. No. 403. Scbweinf. No. 672. 
100. Exacum affine, Balf fit. ; annuum Orectum ramOsum; 
foliis ellipticis v. ovatis acutis longe petiolatis 5-nerviis; floribus 
pedicellatis cernuis 5-meris ; calycis lobis late alatis j corollge lobis 
obovatis violaceis ; antberis ad apicem debiscentibus. 
Socotra^ in ripis viridibus fluviorum abundans, B.C.S. No. 82. 
Scbweinf. No. 466. 
101. Exacum gracilipes, Balf fil. ; annuum erectum ramosis- 
simum : foliis lanceolatis acutis petiolatis 3-nerviis ; floribus graciliter 
pedicellatis cernuis 5-meris; calycis lobis anguste alatis; corollse 
lobis obovatis cseruleis ; antberis ad medium lateraliter debiscenti- 
bus. 
Socotra, in locis aridis frequens. B.C.S. No. 84. 
BOEACINE^. 
102. CoRDiA OBOVATA, Balf. fil. : arborea; foliis petiolatis 
obovatis v. oblongo-obovatis apice obtusis et dentato-crenatis, basi 
cuneatis, subtus subscabridulis, supra tuberculatis ; cymis pauci- 
floris terminalibus ; pedicellis validis brevissimis ; floribus mediocri- 
bus 4-fidis ; calyce enervio extus dense pubescente, subfructu cupulse- 
formi glabro ; corolla omnino glabra ; fructu aurantiaco ovoideo 1-3- 
loculari. 
Nom. Yern. Abeteb. 
Socotra, per totam insulam abundans. B.C.S. Nos. 277, 427. 
Scbweinf. No. 379. 
103. CoRDiA OBTUSA, Balf. fil. ; arborea; foliis petiolatis ellipti- 
cis V. elliptico-obovatis obtusis v. late acutis integris glabris siccitate 
nigricantibus; cymis pseudo -axillaribus paucifloris ; pedicellis validis 
