198 



GRAMINEJE. 



SPINIFEX. L. 



Flores poiygami dioici. Gluma biflora, bivalvis, sequalis. 

 Masc. spicati, triandri, rachi utrinque nuoa 

 Androg. solitarii, ad basin racheos elongatae aristaeformis 



flosculus exterior masculus v. neuter i — 2valvis; interior 



hermaphrodito-femineus. 

 Gramina in littoribus arenosis late repentia ; mascuia utplu- 



rimum in distinctis „ r gilvs nascentia : spicis riumerosii 



approximatis. Femineorum Raches in capitulum ecninuium 



congestce. 



1. S. longifolius, glaber, foliis .inermibus flaccidis semitereti- 



bus : marginibus longitudinaliter lar ;bos rachi fruci fcra 

 ter longioribus, glumis masculis scabiis. (T ) Baudin. v. s. 

 Cyperus. Peron voy.au terr. aust.l. p. 113. (secundum 

 descriptionem haud male convenientem cum specimine a 

 D. Baudin.) 



2. S.fragilis, glaber, foliis inermibus flaccidis semiteretibus 



margine scabris rachi fructifera longioribus. (T.) v. v. 



3. S. sericeus, sericeus, foliis inermibus intus vaginisque gla- 



bris, acumine racheos masculae spica aliquoties breviore. 

 (J. T.) v. v. 



4. S. hirsutis, sericeus, foliis inermibus intus vaginisque villo- 



sis, racheos masculae acumine spicam subaequante. (M.) 

 v. v. 

 Spinifex hirsutus. Lalill. nov.holl. 2. p.Bl. f. 230, 331. 



HOLCUS. Mmg. act. helv. 8. t. 4. Schreb.gen.p. 715. 

 Sorgum. Mich. Holci species. L. 



Flores polygami monoici, paniculati, ramis sub-verticillatis. 



Hermaph. Gluma biflora, bivalvis, coriacea, basi barbata. 

 Flosculus exterior univalvis, neuter : interior hermaphro- 

 ditus, bivalvis, valvula exteriore subaristata, interiore mi- 

 nuta. Squamulcc 2 hypogynae. (imberbes v. ciliatae.) Sta- 

 minaS. Styli2. Stigmata\>\nmosa. 



Masc. hermaphrodito sessili adstantes, gemini v. solitarii, 

 pedicellati, perianthio mutico : quandoque abortientes, 

 neutri. 



Obs. I. E Holcis in editione Sp. pl. Willden. propositis huc 

 pertinent Holcus bicolor, Sorghum, cernuus, caffrorum, 

 saccharatus, decolorans, halepensis, nitidus, quibus adji- 



ciendi 



