FRIDERICI WELWITSCHII SERTUM ANGOLENSE. 45 
modo commode exponendæ, simulque ob antherarum et seminum structuram sedule 
observandam peregrinatoribus futuris commendandæ :— 
ApzNIUM, R. & Sch. 
1. A. obesum, R. & Sch. [ Ad. Honghel, Lindl.]. 
2. A. Honghel, Alph. DC. [nec Lindl.]. 
3. 4. multiflorum, Klotsch. 
4. A. speciosum, Fenzl. 
PACHYPODIUM, Lindl. 
1. P. tuberosum, Lindl. 
2. P. succulentum, Alph. DO. 
3. P. bispinosum, Alph. DC. 
4. P. Namaquanum. 
Adenium Namaquanum, Wyley in Harv. Thes. Cap. ii. tab. 117. 
< 5. P. Lealii, Welw. 
Speciebus utriusque generis in posterum exactius cognitis, et quoad antherarum semi- 
numque structuram accuratius investigatis, ambo genera fortasse in unum conjungenda et 
tum Pachypodium atque Adeniopsis generi Adenio antiquiori ceu Sectiones subscribenda 
erunt, vix unquam vero, imo si reapse inter se diversa statuuntur, in diversas ordinis sui 
tribus divellenda. 
Ordo GENTIANACEE. 
Trib. I. GENTIANEZ. Subtr. 2. Cmronzz, DC. Prodr. ix. p. 49. 
Faroa, Welw. gen. nov.* 
Calyx subcampanulatus, ad medium quadrifidus, lobis erectis, obtuse carinatis. Corolla subhypocrateri- 
morpha, marcescenti-persistens, tubo sensim ampliato infra faucem obiter constricto, limbi quadrifidi 
lobis patentibus; faux squamulis quatuor, staminibus oppositis, semilunaribus, margine tenuissime 
fimbriatis clausa. Stamina quatuor, ad sinus loborum inserta, longe exserta, filamentis suberectis 
filiformibus; antheræ breves, late oblongæ, basi cordatæ, dorso ad sinum fixæ, demum incumbentes, 
immutate. Ovarium obovoideum, basi in stipitem brevem angustatum, carpellorum marginibus 
introflexis subbiloculare, ovulis juxta suturas biserialibus. Stylus rectus, elongatus, filiformis, stig- 
mate parvulo simplici, tenuissime papilloso vel brevissime bilobo. Capsula parva, oblonga, perianthio 
marcescente inclusa, bivalvis, septicida, semibilocularis, placentis juxta valvularum margines insertis. 
Semina numerosa, subglobsa, testa undique foveolata. 
Herba parva, annua, glabra, radice pluricipite; caulibus erectis simplicibus vel apices versus trichotome 
ramosis, tetragonis. Flores parvi, gracile pedicellati, in cymas densas corymbiformes folis 2 vel 
pluribus involucratas dispositi, violaceo-cærulei. 
Genus ni fallor prope Hippion Spgl. [Enicostema Blum.| collocandum, cui ob flores 
* Dicatum ‘est clarissimo Doctori T. C. P. Lapa e Faro, Medico mossamedensi experientissimo, mearumque in 
Districtu Mossamedes institutarum peregrinationum fautori humanissimo. 
