244. 



CHINA. 



[ Graminea. 



[The plant which we have joined as var. /3, to that described by Nees von Esenbeck, differs from it in no 

 respect except in the more branched inflorescence : the structure of the spikelets being identical in both. On the 

 other hand, we see few grounds for separating the more luxuriant or more perfect form, and which is by far 

 the most abundant in our collection, from A. montanus, Roxb. ; Roxburgh, however, describes the leaves as 

 " long and narrow," and figures even the uppermost one close to the panicle, and 6 or 8 inches long, while 

 in our plant it is very short and subulate ; Roxburgh, moreover, does say that the lower glume of the fertile 

 spikelet is channelled on the back, which could scarcely have escaped the notice of N. von Esenbeck. 

 Var. « has much the appearance of A. leptostachys, Wight and Am., (or A. saccharoides, Roxb., and 

 n. 890 of his drawings at the India House), but in that also the uppermost leaf is elongated and similar to 

 the lower ones, and the branches of the inflorescence seem constantly alternate, simple, and bearing a single 

 slender spike that is fully more than an inch and a half long. We have received both a and /3 from Prof. 

 Henslow, under n. 50 of Mr. Vac-hell's collection ; Mr. Millett has only sent the var. /3.] 



4. A. (Cymbopogon) hamatnlus ; culmo ramoso alto farcto nodisque laivi, foliis line- 

 aribus filiformi-acuminatis margine scabris vaginisque glabris, ligula rotundata, spicis 

 geminis brevibus paucifloris fasciculato-paniculatis reflexis, paniculaa ramis racemosis 

 strictis, pedunculis geminis bractea brevioribus, rhachi pedicellisque albo-hirsutis, spiculis 

 glabris oblongo-lanceolatis, fertilis gluma inferior! 4-6-nervi apicem versus marginata, 

 seta glabra flexuosa spicula duplo longiore gracili, laciniis valvulas linearibus. 



Hab. Prope Macao ; Herb. Lindl. — " Danes island," 12 mill, infra Cantonem ; G. H. Vachell, n. 41. b. 



Differt ab A. Schcenantho spiculis duplo minoribus. Ab A. pachnode, Trin., non solum spiculis paullo 

 minoribus ] ^ lin. vix longis, sed etiam gluma inferiori spicula; fertilis distincte 4-5-6-nervi et seta multo breviori, 

 gracili, valde flexuosa, 3^ lineas longa, turn foliis angustioribus et ligula breviori. Bractea purpurascentes ; 

 communis pedunculos binos breves distachyos promens. Spiers vix 3-4 lineas longse. Spicules virides, 

 structural omnino ut in A. Schcenantho. — Rami 1-2 axillares erecti, vaginati, vaginis ramulos breves fascicu- 

 latos (geminos) alios simplices pedunculos exhibentes, alios compositos bracteis bi-distachyis prgeditos pro- 

 mentibus, unde ramus paniculau singulos racemum angustum exhibet. 



5. A. (Cymbopogon) ccesius ; culmo procumbente erectove ramoso nodis foliisque 

 lineari-acuminatis ca?sio-glaucis laevibus et glabris, spicis geminis fasciculato-paniculatis 

 bracteatis bracteis spicas eequantibus, rhachi pedicellisque albo-hirsutis, spicula fertili 

 oblongo-lanceolata, gluma inferiori 2-4-nervi margine superior! carina albo-membranacea 

 serrulata, valvula fertili bifida laciniis filiformibus, mascula pedicellata mutica, gluma 

 inferiori octonervi acuta, pedicello crasso. — a; gluma binervi. N. ab E. in Wight Cat. 



n. 1700. — -jS; gluma quadrinervi. N. ab E. I. c, n. 1700.6 7; elatior, culmo erecto 



firmo. N. ab E. I. c, n. 1700. c. 



Hab. a et /3, in vicinia urbis Macao, et in insulis adjectis ; Millett ; G. H. Vachell, n. 41. a. 



Probabiliter hie est A. liirtus India; orientalis, de quo verba facit Thunbergius in Fl. Capensi. Differt 

 culmo plerumque diffuso cum vaginis foliisque lajvissimo, his brevioribus, 2-3 pollices longis, acuminatissimis, 

 bracteis lavibus, spicis brevioribus, spiculis glabris, solisque pedicellis rhachique albo-hirsutis. Spicula lan- 

 ceolatae, virides. Flosculus neuter in spicula, tarn mascula quam fertili, univalvis, conspicuus, glumis paullo 

 brevior, valvula lanceolata acuta ciliata. Valvula fiosculi hcrmaphroditi linearis, ad ^ bifida, laciniis 

 filiformibus, e sinu eniittens setain spicula plus duplo longiorem scabram ; superior valvula deest. Lodiculce 

 truncataj, bidentatse, complicatse, genitalia amplectuntur. Stamina 3, antheris sordide luteis. Stigmata lutea. 

 Spicula mascula flosculus perfectus evalvis, lodiculis valvularum vices gerentibus. Gluma spicules sessilis 



