750 bulletin de l'herbier boissier. (384) 



LYTHRAM, 



E. KCEHftE (Berlin). 



Nesaea Rautanenii KŒHNE (subsect. Tolypeuma). 



Caulis + 30 cm altus erectus, basi ramisnonnullis suberecto-asceuden- 

 tibus, ut caule superne quadrangulis parciusculeque villosis inslructus. 

 Folia inlernodiis breviora vel sublongiora, subsessilia, e basi obtusiuscula 

 angusle lanceolato-linearia inde a basi sensim angustala, 16 — 30 mm 

 longa, 1,5—2,5 mm lata, uninervia, pallida, basi ciliata, superiore pagina 

 ciliis conspersa. Dichasia ad 7 — flora; pedunculi 12 — 15 mm longi; pro- 

 phylla involucralia aacta 2, late reniformia, medio plicata, subito in acu- 

 men producta, ciliata subtusque in nervo villosa; prophylla florum late- 

 ralium tenerrima, ut involucrum pilosa, primi ordinis usque ad medium 

 rotundato-aucta, secundi ordinis lanceolata, calyces vix superantia. Calyx 

 circ. 3,5 mm longus, apice roseus; lobi erecti trianguläres glabri, appen- 

 dices lobos circ. sequantes, erectse, hirtello-ciliatae. Petala circ. 2 mm 

 longa, purpurea. Stamina 4, episepala, calycis tubmn vix œquantia. Ova- 

 rium subglobosum, Stylus ovarium longitudine sequans, ut stamina 

 iuclusus. 



Südwest- Afrika : Amboland, Wasserstellen, Rautanen 218 (20. IIÏ. 

 1897). 



Obs. Ab omnibus subsectionis Tolypeumatis speciebus slaminibus sty- 

 loque inclusis facillime distinguenda. 



