ROTTBOELLIA,  ANDROPOGONEJE (AUCT. EDUARDO HACKEL). 297 
notata, ceterum glaberrima, intus 9-nervis ; II^ I” aquans, late ellip- 
tico, obtusiuseula, infra apicem gibba et cariná breviter alata, indis- 
tinete 5-nervis; IH: II^» subzquans, hyalina, late oblonga, obtusa, 
2-nervis, cum palea eà '/, breviori, angustiori, oblonga, hyalina, enervi, 
sed (semper ?) sine flore ; IV* II?» zequans, late ovalis, obtusa, emar- 
ginata, hyalina, eum palea simili, angustiori, enervi. Pedicelli articu- 
lis breviores eisque adnati (ita ut ne limes quidem visibilis), glaber- 
rimi ; spieulze pedicellatze 4 mm. longae, late oblongze; gluma I" her- 
bnpurcoriaton, obtusa, infra apicem altero latere breviter alata, haud 
scrobiculata sed striis 7—9 elevatis viridibus notata, levis; II“ carina 
excentrica superne breviter alata, ceterum 5-nervis; III et IV* ut in 
spieulis sessilibus nisi III^ sine palea, flos superior ex Thwaites c (in 
specimine meo 0, an delapsus ?). 
Ceylon, in provincia centrali alt. 1300 m. s. mare. (Thwaites nr. 
861). 
b. Spiculee plus minus pilosz. 
? 13. R. mollieoma (Hance in Journ. Bot. 9 (1871), p. 134) ; 
culmis tomentosis ultra 1 m. altis ; foliis basi cordatis late lanceolato- 
linearibus. 
(Descr. sec. autorem). Culmi fareti, erecti, 130—160 em. alti, hinc 
latere canaliculati ; folia acuminata cum vaginis nodisque dense mol- 
liter sericeo-hirsuta, inferiora 32 em. longa, 17 mm. lata; ligula 
scariosa vix producta. Spicæ axillares, solitarie, folio diu involute, 
7—8 cm. longs; spieule sessilis gluma I"* crassa, dimidiato-ovata, 
conspicue tesselato-serobieulata, pilosa; spicula pedicellata ad rudi- 
mentum minimum reducta. 
China : in fossis et ad margines fruticetorum insulæ Danorum, 
Whampoa (Hance). Non vidi et cum aliquo dubio inter species pedi- 
cellis adnatis posui auctore de his tacente. Ex cl. Thwaites est R. nigres- 
centi suæ affinis 
14. R. formosa (R. Brown ! Prodr. p. 206); culmis glabris 20— 
30 cm. altis, foliis anguste linearibus. — Kunth, Revis. Gram. tab. 91; 
Benth. Fl. Austr. 7, p. 513. | 
Annua. Culmi erecti, graciles, compressi, simplices v. ramo florifero 
aucti, infra spicam breviter v. minime nudi. Vagin® compressze, arc- 
tæ, elevate striatæ, inter strias e tuberculis hirsutze v. superiores 
tantum ciliatæ, nodis glabrz v. laxe barbatze, internodiis breviores, 
