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Proceedings of the Boyal Society 
this — first, that moisture is necessary to give proper sensation ; 
second, that the deficiency of sweat makes the animal dip its 
morsels in water ; and third, that this continual wetting of the 
hands has modified the nerve terminations. 
4. Diagnoses plantarum no varum Phanerogamarum Socotren- 
sium, etc.; quas elaboravit Bayley Balfour, Scientise 
Doctor et in Universitate Glascuensi rerum botanicarum 
regius Professor. Pars quarta (Supplementum). 
CEUCIFEK.dE. 
Brassica rostrata, Balf. fit., var. hirsUta, Balf fit. : omnino 
hirsuta foliisque arete dentato-serratis. 
Socotra, in montibus crescens. B.C.S. FTo. 555. 
CAPPAEIDE^. 
CleoMe brachycarpa, Vahl, var. filicaulis, Schweinf. : minuta 
eglandulosa inodora filicaulis. 
Socotra, prope Tamarida. Schweinf. Uo. 289. 
M^rua angolensis, DC., var. socotrana, Schweinf. : arbor 
mediocris vel frutex ramis effuso-dependentibUs dense foliosis ; 
foliis tenuiter carnosulis vel (perennantibus) crassis suberosis, petiolo 
duplo vel ad J lamina breviore flaccido hand recurve, lamina basi 
cuneata ovali-obovata v. oblongo-lineari ad apicem rotundata v. 
emarginata semper mucronata ; floribus paucis mediocribus apetalis ; 
fruct. ignot. 
Uom. vern. Eschab. ’Eschab. Eshaib. 
Socotra, in campis montibusque. B.C.S. Uos. 193, 588. 
Schweinf. Uos. 251, 457, 603. 
YIOLARIE^. 
Alsodbia socotrana, Balf. fil. : herbacea ramosissima humilis 
glabra ; foliis parvis ellipticis v. subohovatis brevissime petiolatis 
obscure remoteque serrulatis subtus glanduloso-puberulis ; floribus 
solitariis : filamentis brevissimis. 
Socotra, prope Tamarida. B.C.S. No. 26. 
