FLOEA OP MADAGASCAB. 453 



rhachi applanata, glum is 4 oblongo-lanceolatis, exteriori pilis patulis basi 

 bulbosis dense vestito, flosculo inferiori abortivo neutro. 



Stems a foot or more long, slender, ascending, glabrous, terete, 

 branched from the base. Sheaths of the numerous leaves about 

 an inch long, densely ciliated all down the edge ; blade thin, 

 acuminate, glabrous, oblique at the base, 3-5 in. long, £-g in. 

 broad. Spikes terminal or axillary, peduncled, 1-1| in. long, 

 simple or compound at the base ; rhachis flattened, produced 

 into a long point at the top beyond the spikelets. Spikelets 

 dense, unilateral, erecto-patent, | in. long. Outer sterile glume 

 oblong-lanceolate, acuminate, as long as the spikelet, densely 

 clothed with firm spreading hairs with a bulbous base. Lower 

 flower small, very imperfect. Upper flower with an oblong- 

 lanceolate 5-nerved pilose flowering-glume | in. long, and a 

 pale of about the same length. — Diego Suarez, Bernierl (Herb 

 Gay) . It is fully described and figured by Gray in manuscript, 

 but not named. The only other species of this curious genus 

 is a plant of Gfuiana and Brazil. 



Pennisetum (§GtImnotheix) teiticoides, n. sp. 



Perenne, dense caespitosum, foliis lineari-setaceis erectis glabris elongatis 

 vaginis apice ciliatis, spiculis solitariis erectis in spicam cylindricam dis- 

 positis, setis pluribus rigidis scabris valde ina;qualibus unica reliquis 

 longiori, glumis 2 exterioribus parvis ovatis, 3 oblongo-lanceolatis palea; 

 sequilongis. 



A densely-tufted perennial, with stems 1-2 ft. long. Leaves 

 £-1 ft. long, linear, & in. broad at the clasping base, tapering 

 gradually upwards into a setaceous point. Spike simple, erect, 

 cylindrical, 4-5 in. long, ^ in. in diam. 'Spikelets solitary, erect, 

 cylindrical, \ in. long, tapering to the point. Bristles a dozen 

 or more, slender, rigid, distinctly ciliated, one much longer than 

 the rest and about twice the length of the spikelet. Outer 

 sterile glume very small, ovate ; the other larger, about half as 

 long as the spikelet. Outer flowering-glume oblong-lanceolate, 

 acute, but not awned, firm in texture, pale green, glabrous, 5- 

 nerved* Stigmas protruding from the tip of the closed spikelet. 

 —Baron 683! 3239! 3294! Parker I Nearly allied to the 

 Abyssinian P. riparium, Hochst.! Eesembles in habit our 

 European Triticum caninum. 



Pcecilostaciiys geminatum, Kaclel.—\n Sitz. Vien. Akad. 

 Wisseu. 1884, p. 131, Hackel has described a new endein ic genus of 



