448 
F. Vierhapper, 
ramosi, erecto-ascendentes vel subprocumbentes, flexuosi, tenues, teretiusculi—subtetragoni, usque ad 
'25cm longi, l'Qmm diametro, rami solitarii vel bin! oppositi a caulium basi usque ad apicem Orientes, bis 
breviores, ceterum eos aequantes. Axes omnes pilis simplicibus flexuosis, usque \'5mm longis, 
sparsis glanduliferisque permultis, rectis, dimidio fere brevioribus dense patuleque 
pilo si. Folia bina opposita, paria internodiis usque 3'5 cw longis a sese remota, lamina plus 
minus tenui, flaccidiuscula, late ovata — rotundato-ovata, obscure viridi, triente inferiore integro 
excepto crenata vel crenato-lobata, crenis lobisve lateralibus 4—8 sursum versis et terminali obtusis vel 
subapiculatis, reticulato-nervosa, nervorum secundariorum imis e basi, summis in superiore parte mediani 
orientibus, maximorum 1 FS—21’5ww longa, 9— \l'5mm lata, omnium abrupte angustata in petio- 
lum in maximis \2'5mm longum, saepissime multo breviorem; petiolus caulium modo, lamina pilis glan- 
duliferis tantum vel paene tantum, imprimis in margine, patule pilosa. 
Flores solitarii (flos unicus in unoquoque foliorum pari) in axillis foliorum superi- 
orum (quibus aequilongi vel parum longiores), internodiis longis a sese remotorurn, imis con- 
formium, parum minorum — saepe iam infra medium caulis ramorumque — Orientes, racemum eviden¬ 
tem non formantes, breviter (1— Qmm) pedicellati — subsessiles, pedicellis caulis modo pilosis. Calyx 
late asymmetrice campanulatus, bilabiatus, labiis sinu angusto, obtuso discretis, longltudinaliter 10-nervius, 
nervis 5 in sinus, 5 in dentium apices currentibus, 4:'bmm longus, superne Qmm ca. amplus, extus 
pedicelli modo pilis simplicibus sparsis glanduliferisque permultis duplo ca. brevioribus pilosus, intus 
in dentibus et in tubi nervis tantum pilis glanduliferis praeditus, tubus late obconico-cupulaeformis, 
dentes labii superioris 3 e basi l'bmm lata ovato-semiorbiculares, ad apicem obtuse sub- 
mucronulati, sinubus angustis, obtusis discreti, medius marginibus \'l mm ca. longis, lateralium 
margine interiore vix breviore, exteriore, ad labium inferius versante, 2'2mm longo, labii inferioris 2 
e basi 2OTW lata triangulari-ovati, 2'2 mw longi, sinu angusto, obtuso discreti, ceterum illis aequales. 
Corolla bilabialis, longltudinaliter plurinervia, extus tubi inferiore parte (extus intusque) glabra excepta 
sparse, intus, imprimis in labio inferiore (parte extravolvali glabra excepta) praecipue ad nervös medios 
densius patule subglanduloso-pilosula, in margine glabra, totalis 9-5 w«? longa, tubus cylindrico-cam- 
panulatus, inconspicue plurinervius, S'bmm longus, basi 1 mm, apice ca. 1’S ww amplus, labium superius 
oblongo-ovatum, longitudinaliter 8—10-nervium, nervis ad apicem ramosis, 5 mm longum, basi 2'7, ad 
apicem IS mm latum, apice 2-lobum, lobis sinu amplo, acuto discretis, asymmetrice ovato-triangularibus, 
acutiusculis, 0'8 mm ca. longis, basi 1 mm latis, inferius oblongo-obovatum, longitudinaliter pluri- 
(13—15-)nervium, nervis in lobis anastomosantibus, 5‘5—6 ww longum, basi 2-7 mm, ad apicem 4‘3ww 
latum, apice 3-lobum, lobis sinubus amplis acutis a sese disjunctis, medio e basi \'5mm lata obovato, 
2 ww longo, lateralibus rhomboideis, 2Smm ca. longis, in loborum basi volva semiorbiculari, apicem 
versus convexa, \'7 mm diametro instructum. Stamina 4, tubo ca. 2'2—2'4: mm supra basin inserta, 
glabra, filamenta filiformia, superiorum 3, inferiorum 4-5 ww longa, loculi bini ovales, fllavi, 0’8—1-2 «m 
longi, totaliter a sese remoti. Germen glandulis minutissimis sessilibus sparsis praeditum, ovoideum, \ '5mm 
longum, sensim angustatum in stylum filiformem, Amm longum,. stigmate capituliformi vix crassiore 
coronatum. Calyx fructificandi tempore parum auctus, subcoriaceus, glabrescens. Capsula obverse oblongo- 
piriformis, in parte inferiore dilute, in superiore obscurius brunnescens, illic glabra, hic pilis glanduliferis 
brevibus subdense obsita, longitudinaliter bivalvis, 5 —Qmm longa, valvis acuminatis, dorso impresse 
uninerviis. Semina subellipsoidea, fusca, minutissime rugulosa, paene opaca, 0-7 mm ca. longa. 
Sokötra. »Djebel Derafonte« (16. —28./II. 1899, Paulay). 
»On the plains« Balfour 1. c., Forbes 1. c. p. 493. 
Zu L. Sokotrana gehören auch die von Schweinfurth bei Tamarida^ und Kalansiye^gesammelten 
1 Exp. Riebeck. Nr. 332. Insel Socotra. Tamarid. Nagelfluhfelsen, 14. .Vpril 1881, Dr. G. S chweinfurth (Hb. M. B.), 
(Hb. S.), (Hb. U. V.). 
2 Exp. Riebeck. Nr. 234. Insel Socotra. Galonsir. Granitfelsen. 10. April 1881. Dr. G. Schweinfurth (Hb. S.). 
