PANICE JF. 55 
viam amplectens. Squamulo dus , truncato-subemarginaue, carnosee, glabro. Sta- 
mina tria. Ovarium glabrum, inter stylos in acumen productum. Styli duo, 
terminales. Stigmata plumosa; pilis densis, longis, simplicibus. Caryopsis 
elliptica, embryoni parallele compressa, haud sulcata, glabra, paleis inclusa. Flos 
masc. : Palee. due, membranacee; inferior ovata, acuta , superiorem bicarinatam 
amplectens. Stamina tria. Squamule duse. 
Culmi repentes, longissimi; ramis erectis, brevibus, indivisis, foliatis. Folia 
plana. Spica terminalis, solitaria, brevis, vagina spathiformi aphylla diu. semi- 
volata. Spicule pauce in qualibet spica, unilaterales, uniseriate, sessiles; 1-2 
inferiores fructifere ; 4-6 superiores steriles. Rhachis canaliculata, coriacea, non 
articulata , basi geniculata, inferne fructus involvens. 
SPECIES : 
. 'Thouarea latifolia Brown. — Nova Hollandia. 
- "Thouarea sarmentosa Pers. — Madagascaria. 
. Thouarea media Brown. — Nova Hollandia. 
. Thouarea involuta Brown. (Ischemum involutum Forst.) — Insulae Societatis. 
54. SPINIFEX Luw., Dnoww. 
X Qd e 
Polygamus, dioecus. Spicule mascule et androgyne in disuncts plantis; hae 
solitaris, ad basim rhachis longissime subulato-aristeformis; illie spicatee. Masc. : Spi- 
culz biflorz ; floribus subeequalibus. Glume duse, membranaces, canaliculatee ; su- 
perior paulo longior. Pales: dus, membranaces; inferior oblonga, canaliculata ; 
superior bicarinata; carinis ciliatis. Squamule dus, carnose, integre, glabre. 
Stamina tria. Androgyn. : Spicule biflorz; flore inferiore uni- vel bipaleaceo, neu- 
tro vel masculo, membranaceo; superiore bipaleaceo, hermaphrodito. Glume duc, 
membranaces , ovatz, concava , subzequales. Palex floris hermaphroditi coriacez, 
oblongs», concavz; inferior superiorem binerviam amplectens. Squamule du, 
carnosc. Stamina tria. Filamenta longissima. Ovarium glabrum. Styli duo, longis- 
simi, terminales, basi connati?. Stigmata plumosa, elongata; pilis simplici- 
bus. Caryopsis oblonga, embryoni parallele compressa, glabra, libera, paleis inclusa. 
Gramina ramosissima, suffrutescentia, in littoribus arenosis repentia ; mascula ut- 
plurimum in distinctis gregibus. Spice masculee pedunculatze,, umbellato-congesta; 
rhachi apice nuda, pungente, haud articulata. Rhaches feminex fasciculate ; fasci- 
culis capitato-congestis. Spicule masculee sessiles , basi articulata. 
SPECIES : 
1. Spinifex longifolius Brown. — Nova Hollandia , cum tribus subsequentibus. 
2. Spinifex fragilis Brown. 
