Botanique. PÉHAM ARE Si 51 
Pedicellis spicula À —{ brevioribus ; Rudimentis 2, minutis, car- 
tilagineis; Hermaphrodito glabro L. pilo uno alterove obsito. 
Arabia, in agrorum margine versus Matariam. 
Culm. ultrapedalis, dense caespitosus, glaber. Vaginae nodos glabros 
aequantes, glabrae. Ligula bilinealis, obtusa. Folia inferiora 5 -polli- 
carla, {4 lineas lata, acuminata, glabra.  Spicula 2-linealis et paulo 
ultra, acutissima. Glumae dorso alatae, ala in dentem acutum, brevio- 
rem latioremve et longiorem terminata. Hermaphroditus glumis dimi- 
dio brevior. 
4) Phallaris obvallata m. Thyrso cylindrico-oblongo,  fere 11-pollicari; 
Glumis obtusiusculis, superne acute alatis, 7 — 9-nervibus; Pe- 
dicellis brevissimis, spiculam basi spiculis abortivis 5 — 4 obval- 
lantibus; Rudimentis 2, brevissimis, obtusis, cartilagineis; Her- 
maphrodito g/abro. 
Macrodon obtusus Ehrenb! 
Arabia, ad Caluram rarius in incultis graminosis. 
Rad. fibrosa. Culm. basi procumbens, caespitosus, 1 — 1°/2-pedalis, 
glaber 1. sursum scabriusculus, simplex.  Vaginae fere glabrae, nodis 
glabris dimidio breviores, suprema inflata. Ligula 3- (1. fere 3-) li- 
nealis, cbtusiuscula 1. acutiuscula. Folia inferiora 5 — 4-pollicaria, li- 
neas 2 lata, acutissima, deorsum scabriuscula.  Spicula 2-linearis. 
Glumae obtusiusculae, rarius acutae, dorso alatae, ala acuta, infra ob- 
sitae spiculis abortivis, pedicellatis, glumis dimidio brevioribus, partim 
bifurcatis.  [lermaphroditus glumis ‘/s brevior, glaber. Pedicelli 5/4 et 
ultra brevicres, 
5) Phalaris bulbosa av. ic. 1. t. 64. Thyrso swblineari-oblongo, 1 — 3- 
pollicari: Glumis 3-nervibus , nunc aequi-, nune denticulato-, 
nunc 1-dentato-alatis; Pedicellis aequilongis vel paulo duplove bre- 
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