398 



853. HIEROCHLOA. 



2. australis. Pan. somewhat one-sided. 

 Stalks bearded. Complete Fit. awnless ; lower 

 barren, with a short terminal awn ; upper 

 with a bent dorsal awn. p. 5, 6. Stony hills. 

 Miilhausen. Auv. Mendes. Mtp. 



3. parviflora. " Pan. erect. Stalks bearded 

 at the base. Pit. less than the glume. Awn 

 of complete Pit. from below the top, exceeding 

 glume. Sic." — Kunth. Not in Gussone. 



854. COIX. 



1. Iiacliryxna. Spicules axillary, stalked, 

 hardened. Invol. white and shining, p. 5-8. 

 Slow streams at S. Cosimano near Syracuse, 

 and near Palermo. Cultivated originally to 

 form rosaries of the fruit-like involucra, but 

 now naturalized. 



Zba. 



Zea Mays, the Indian corn, is widely culti- 

 vated in the s. of Eur., but is, I believe, no- 

 where in any degree natm-alized. Its large 

 size, and the fertile spikes being quite separate 

 from the barren panicle, make it easily recog- 

 nizable. 



855. LYGEUM. 



1. Spartum. Cal. sheath-like, beaked, p. 

 3-5. Clayey hills near the sea. Sic. 



Tribe V. FHLMNEM 



856. ACHNODONTON. 



1. bulbosum. Spike cylindrical. Glumes 

 eUiptico- oblong, mucronulate, roughish. a. 

 6. Bry. s. Em-. 



857. PHLEUM. 



A. With rudiment of second interior Floret. 



1. asperum. Pan. spike-like, cylindrical. 

 Glumes cuneiform, pointed, (inflato-angular, 

 Koch,) rough. Culms tufted. No barren 

 shoots, a. 6, 7. Eng. rare. Prov. It. s. G. 



2. arenarium. Pan. spike-like, obovato- 

 lanceolate. Glumes lanceolate, acuminate, ci- 

 liate on keel, three times as long as the trun- 

 cate, notched corolla. Culms ascending. No 

 barren Tufts of L. p. 6. Sandy shores. 



3. OTichelii. Pan. spike-like, cylindrical. 

 Glumes lanceolate, acuminate, ciliate on the 

 keel. Pales of substance of glumes, oblong, 



hairy ; inner cloven. Eoot slightly creeping, 

 and producing barren tufts of L. p. 7. Moun- 

 tain pastures. Br. rare. Jura. Alps. Ma- 

 donie. 



4. Bcehiueri. Pan. spike-Uke, cylindi-ical. 

 Glumes lanceolate, obliquely truncate, acumi- 

 nate, mucronate, rather rough. Keel with a 

 few bristles. Culm simple. Root tufted, pro- 

 ducing barren tufts of L. p. 6, 7. Barren 

 hills. Eng. rare. Er. G. Sw. n. It. 



B. Without any rudiment. 



5. pratense. Rac. spike-like, cylindrical. 

 Glumes truncate, awned, ciliate on the keel. 

 Awn much shorter than the glume, p. 6, 7. 

 Meadows. 



fi. Bertolonii. Pewer cilia on keel. Lower 

 Fits, abortive. 



y. nodosum. Rac. oval, short. Culm thick- 

 ened at base. 



6. echinatum. Spike oval. Lower Spi- 

 cules deflexed ! Glumes shorter than the 

 rough awns. Keel ciliate at base. L. smooth. 

 Root fibrous, a. 5. Grassy hills. Sic. 



7. alpinum. Rac. spike-like, oblong. 

 Glumes truncate, ciliate on the keel, each with 

 an awn as long as itself, p. 7. Moimtain 

 meadows. Alps. 



8. commutatum. "Pan. ovato-oblong, 



not exceeding an inch in length. Glumes 

 truncate, ciliate on back. Seta about three- 

 fourths as long as glume, rough, not ciliate. 

 Sheath of upper L. inflated, three or four 

 times as long as L. Upper Ligule very short 

 and obtuse. In P. alpinum the spike is longer, 

 the upper sheath hardly inflated, and only 

 twice as long as L. ; and the uppermost L. 

 oblong, acute, p. 7. Sc." — Bab. 



858. ALOPECURUS. 



A. Glumes united at the base. 



1 . agrestis. Culm erect ; upper part 

 roughish. Spike nearly simple, tapering at 

 each end. Glumes united to above the middle. 

 a. 6, 7- Grass and cult. Wanting in Sic. 



3. alpinus. Culm erect, smooth. Pan. 

 spike-like, ovoid. Glumes obhquely abrupt, 

 acute, very villous, nearly as long as the dor- 

 sal awn of pale (which projects one-thii'd of its 

 length beyond the pale, Bab.). Outer Pale 

 with distant ribs. p. 7- Loch na Gar. Ben 

 Lawers. Mountains of Clova. 



3. pratensis. Culm erect, smooth. Spike 



