ORYZE JE. 9 
0. EHRHARTA Tuus. 
Trochera Rich., Melice species Thunb. Prodr. 
Spicule compresse, triflor; flores approximati; duo inferiores neutri, unipa- 
leacei, carinati, coriacei , mutici, mucronati vel subulato-aristati ; terminalis 
hermaphroditus, bipaleaceus. Glumse due, membranaces, mutico. Palea inferior 
floris hermaphroditi compresso-carinata , mutica, chartaceo -subcoriacea; superior 
angustior, carinata. Squamule- du», membranacee, bilobe, glabre vel ciliate. 
Stamina sex, interdum tria. Ovarium glabrum. Styli duo , terminales, interdum 
connati?. Stigmata plumosa ; pilis longissimis, simplicibus. Caryopsis embryoni con- 
trarie compressa , glabra, libera, paleis obtecta. 
Gramina Capensia ( excepta E. Urvilleana) , ramosa. Folia pham Panicule ra- 
mose. Spicule pedicellatee. 
SPECIES GENUIN/E A ME VISE : 
€, SQUAMULIS GLABRIS : 
1. Ehrharta panicea Smith. (E. erecta Lam. ) 
2. Ehrharta calycina Smi£h. ( Aira capensis Linn. fil. —'Trochera calycina Beauv. ) 
b, SQUAMULIS CILIATIS : 
3. Ehrharta Ottonis. — Proxima sequenti. ( Amic. Otto comm. ) ; 
4. Ehrharta bulbosa Smith. ( 'Trochera spicata Jic. — 'Trochera bulbosa Beauv. ) 
5. Ehrharta Urvilleana. ( Legit cel. Dumont d'Urville in insula S. Helene. ) 
SPECIES MIHI IGNOTE : 
6. Ehrharta cartilaginea Smith. 
7. Ehrhartalongiflora SmizA. 
8. Ehrharta melicoides Swartz. 
9. Ehrharta rugosa Swartz. * 
10. Ehrharta geniculata Pers. ( Melica geniculata TAun5. — Ehrharta paniculata Sy. ) 
11. Ehrharta gigantea Swartz. ( Aira villosa Linn. fi/. ) 
12. Ehrharta tenella Spreng. Suppl. 
9. TETRARRHENA Bnowx. 
Spicule triflore; flores disticho-imbricati; duo inferiores neutri, unipaleacei ; 
terminalis hermaphroditus, bipaleaceus'. Glume dus, parve, concave, inzquales. 
Flores neutri ineequales; inferior dimidio brevior : palea ovato-elliptica, truncato- 
* Gluma uniflora , bivalvis. Perianthium duplex , utrumque bivalve. | Broswn. 
