36 FLORULA ADENENSIS. 



Suffrutex 2-3-pedalis. CauJis dichotomus, striatus, subglaucus, plus 



minus foliatus. Folia puberula, ^-l^ unc. longa, 1-3 lin. lata; peti- 



olus 6 lin. longus. 



Descr. of Tab. V. Fig. 1, entire flower; 2, longitudinal section of same ; 



3, petal and stamen of a male floret ; 4, mature fruit ; 5, ripe seed. All 



the figures are more or less magnified. 



2. Crozophoea, Neck. 



1. C. oblongi folia (Ad. Juss., Spr. Syst. iii. p. 850). Sufiruticosa; 

 caule suberecto, floccoso, tomentoso ; ramis dichotomis, foliosis ; foliis 

 petiolatis, subpeltatis, oblongis, lanceolatis, acutis, dentatis, dense stel- 

 lato-floceosis, basi biglandulosis ; racemis abbreviatis, in ramis termi- 

 nalibus ; floribus bracteatis, breviter pedicellatis, monoicis ; floribus 

 masculinis calyce 5-partito stellato tomentoso, petalis 5 glabris, sta- 

 minibus 8-10, filamentis subcoalitis; femiueis calyce 10-partito, corolla 

 nulla, ovario sessili, capsula globosa tricocca stellato-glandulosa, semi- 

 nibus rugosis. — Croton oblongifolium, Del. iEgyp. tab. 51. f. 1. 



Hab. Aden (Hook.fil. et T. !). 



Distr. In Arabia Felici et Petrsea ! Muscat ! Scinde ! iEgypto ! 



3. Jatropha, Linn. 



1. J. spinosa (Vahl, Symb. i. p. 79). Fruticosa, erecta; ramis tere- 

 tibus, incrassatis; cortice cinereo-glauco vel purpurascente ; foliis alter- 

 nis, petiolatis, rotundatis, 5-7-nerviis, 3-5-lobatis vel obscure 7-lobatis, 

 lobis oblongis, obtusis, obscure dentatis, utrinque glabris; stipulis 

 pungenter spinosis, subpersistentibus ; corymbis pedunculis elongatis, 

 terminalibus, dichotomis, multifloris; bracteis parvis, basi dilatatis, 

 acutis, scariosis; floribus subsessilibus, monoicis; calyce 5-partito, 

 petalis 5; staminibus 8; ovario sessili; stylis convolutis, 3, liberis, 

 stigmatibus peltatis; capsulis rugosulis, lignosis, tricoccis, coccis 

 monospermis.— Croton spinosum, Forsk. Descr. p. 163. 



Hab. Aden (Hook.fil. et T.\ T. Anders.). 



Distr. In Arabia Felici. 



Arbuscula 7-8-pedalis, succo lacteo. Caulis aculeatus, rami incrassato- 

 carnosi. Folia 1± unc. longa, 1J-2 unc. lata; petiolus 1-1]- unc. 

 longus ; stipulae aculeatae, nigrse vel glaucae, 3 lin. longa?. Corymbi 

 4-5 unc. longi. Flores flavescentes, plurimi subsessiles, feminei pau- 

 cissimi, in dichotomia corymborum sessiles. 



Descr. of Tab. VI. Fig. 1, entire male flower ; 2, same laid open ; 3, female 

 flower; 4, same with the floral envelopes removed. 



Ordo XXXVII. UKTICACE.E. 



1. Forskohlea, Linn. 



1. F. tenacissima (Linn. Mant. p. 72). Suflruticosa ; caule et ramis 

 aculeato-asperis ; foliis petiolatis, orbicularibus, ovatis vel rhomboideis, 



