322 MONOGKAPHIA POLYGAI.ACEARUM. 



' , mm. margine et dorso longe ciliatie, cornllam paiiln superantes. Petala supe- 

 riora quam carina cristata '/, breviora. iiregiilariter oiinv.ita. Carinre crisla 

 multifida, liibis linearibus apice emarginatis. Ovarium obovatum longe iMliatiim. 

 Stylus vittiformis ; stigiiiata ut in aliis. (Capsula elliptica, marginibiis nllfoimibus 

 fere carens, pubescens, alis '/, brevior sed fere a'quilata. Semina pyriformia, pilis 

 adpressis albls vestita. Canmculae lobiis intermedius arciiatiis, cariniformis, 

 brevis, duo latérales in appp.iidiciila papyracea semiMi longitudine nequantia, obtusa, 

 vel subreliisa. proiongata. 



Habitat in littore africano juxta Zanzibar in graminosis siccis (Aug. mens** 

 Hildeb. 1873, in Hb. Berol. v. s. sub nom P. persicaria'folia, DC.) 



Nomen in menioriam atavi mei A. Gagnebin di^ la Perrière, botanici juratensis 

 dedi. 



P. OBTUSISSIMA, Hochst. (Chod. emend.) 



Rami canescentes ; folia pubescenlia; racemi brèves pancillori : |iedicelli llnre 

 breviores : ahe obtusa^ ; capsula late elliptica ; seminum appendicula lateralia 

 membranacea longitudine semen aequantia. 



In Pt. Schiniper. exscc. Abyss. (nomen nudiiiii); P. senensis Oliv. p. p. in Trop. 

 11. of. Al'ric. 130, I, hand Pelers. 



Tab. nostra XXVII, lig. 13-13. 



E radice crassa perpendiculari oritur raulis crassus lignosus Iriitesc^ens a basi 

 ramosus, raniis erectis strictis valde loliosis. pube ci'ispnlo adpresso brevi, caiies- 

 centibus, ad 40 cm. longis vel minoribus. Folia ovato-oblonga, obtusa vel submu- 

 cronata "/,, '7^,,, pilis crispulis pubescenlia, jtmiora canescentia. Racemi brèves, 

 paucitlori. Bracteae ovat», piibescentes. Pedicelli etiam in maturitate alis breviores 

 puberuli, ad 8 mm. longi. Sepala exteriora anterioia ovato-acula, nervis ramosis 

 vix anastomosantibus crassis viridibus. Alaî late semiorbiculares, snbtriangidares 

 demum '/, nim. nervis elongalis, exterioribus liberis longis, in média parte valde 

 anastomosantibus, areolis indeortis elongatis, margine atque superne brevissime vel 

 longius cilial.e. Corolla alis multn brevior. Carina elongata, liinbo oblongo galeato, 

 basi in appendices duas obtusas piolongato, unguiculo sublongo ; carinje crista e 

 lilamentis numerosis apice clavatis, basi concrescentibus formata, speciosa. Petala 

 superiora per '/, cum tubo staminali connata, oblonga, parum irregularia, l'arina 

 paulo breviora. Antlicra' glabne quaui lilamenta libéra mullo breviores. Ovarium 



