MANUAL OF THE GRASSES OF THE WEST INDIES Pal 
12. Arthrostylidium urbanii Pilger, in Urban, Symb. Antill. 2: 339. 
1901. Cuba, Wright 3810. 
Arundinana urbani Hack., Oesterr. Bot. Ztschr. 53: 69. 1903. 
Rather robust, as much as 7 m long, bearing stiff wiry branches in 
whorls at the distant nodes, the rather rigid sublinear blades often 
reflexed, readily falling from the crowded overlapping sheaths; 
branches terminating in slender racemes, the spikelets appressed to 
the straight axis; sheaths puberulent, the summit bearing several 
tangled yellow early deciduous bristles 3 to 5 mm long; blades puberu- 
lent beneath, sometimes on both surfaces, 5 to 13 cm long, 3 to 5 mm 
wide; racemes 5 to 15 cm long. 
Banks of streams, bushy savannas, and low thickets, Cuba. 
Cupa: Sabana de Monasterio (prov. Santa Clara) Léon 9228. 
Arroyo del Guanel, Banao Mountains, Léon 8043. -—La Cumbre, 
Ekman 13945. Savanna de Motembo, Léon 8230. Sancti Spiritus, 
Léon 7833. La Lanza, Manajanabo (prov. Santa Clara) Léon 5275. 
Cienfuegos, Léon 14738. Sierra de Nipe, Ekman 10016. Without 
locality, Wright 3810. 
13. Arthrostylidium excelsum Griseb., Fl. Brit. W. Ind. 529. 1864. 
Trinidad, Purdie, Crueger. 
Arundinaria excelsa Hack., Oesterr. Bot. Ztschr. 53: 69. 1903. 
High-climbing; branchlets whorled, 20 to 50 cm long, the blades 
commonly 8 to 12 cm long, 12 to 15 mm wide; racemes terminal and 
axillary, the axis strongly zigzag, the spikelets divergent, 7 to 15 mm 
long. 
Mountain woods, Guadeloupe and Trinidad. 
LEEWARD IsLANDs: Guadeloupe, Duss 3978. 
TRINIDAD: Crueger 82 and Rugel, both fragments. 
14. Arthrostylidium cubense Rupr., Mém. Acad. St. Pétersb. VI. 
pet Nigt. oo 118. ple 4.4.13.) 1839.9 Cuba, Sagra: 
Arundinaria cubensis Hack., Oesterr. Bot. Ztschr. 53: 69. 1908. 
Culms slender; blades of primary branches 10 to 15 cm long, 
8 to 10 mm wide, those of the ultimate flowering branchlets elongate, 
linear, 3 to 4 mm wide; flowering branches very slender, 20 to 30 cm 
long, naked or with one or two narrow blades at base, bearing a few 
distant appressed spikelets toward their ends. 
Pendent on cliffs, Cuba. 
Cusa: San Diego de Tapias, Ekman 12649. San Diego de los 
Bajios, Léon 4446, 16214. Campo Florido, Léon 591. San Sebastian, 
Wright 3811. Vinales, Léon 14327. Without locality, Wright 3809. 
15. Arthrostylidium obtusatum Pilger, in Urban, Symb. Antill. 2: 
340. 1901. Martinique, Duss 563, 1310. 
Arundinaria obtusata Hack., Oesterr. Bot. Ztschr. 53: 69. 1903. 
Habit unknown; fertile branches slender, the branchlets appressed; 
blades glabrous, rather rigid, the larger as much as 8 cm long and 
12 mm wide, those on the branchlets smaller, tapering from base to 
apex, the tip obtuse; spikelets 12 to 20 mm long, the fertile florets 
4 or 5, the rachilla straight or slightly zigzag; fertile lemmas 8 to 9 
mm long, glabrous, rather strongly several-nerved, obtusish. Known 
only from Martinique. 
WinpwaArpD IsLtaNps: Martinique, summit of Morne d’Amour, 
Duss 563, 1310. 
