562 



CVII, GHAMINE^. 



L - 



^* Lowtr glume with 3—5, upper with 7— 9 nerves. Florets oblong 



turgid, erect. Serrafcilcus. 



f Outer glumella 1 -nerved, 



6. B. secalinus L. {smooth Rye B.) ; " panicle loose drooplno" 

 in fruit, lower peduncles slightly branched, simple pedunclel 

 .about equalling the oblong compressed glabrous spikelets, florets 

 ^t first imbricated afterwards distinct cylindrical, the incurved 

 edges of the glumellas not overlapping those of the floret above 

 them, awn straight about as long as the floret, leaves hairy but 

 ;the sheaths nearly glabrous." Wats, in IIooJi. Lond. Journ. of 

 Bot. i. p. 85, Serrafalcus-B^J. — a. spikelets scabrous but gla- 

 brous and shining not downy. E. B. t. 1171 (good, but panicle 

 .too long): Parn. Gr.tt. 49, 121, 122.— (3. panicle nearlv simple, 

 :spikelets downy. Parn. Gr. t. 123. B. velutinus '^Sm. B 

 multiflorus E. B. t 1884. 



Corn-fields, not rare, 



7. 



Cidm 2 



3 feet liigh. 



or $. 6, 

 Known in fruit by its hairy panicle, and separately rolled up flowers. 

 Distinguished also from its allies by '' the apex of the larger glume 

 being situated half-way between the base of the glume and the 

 summit of the second floret on the same side; " and by having the 

 outer glumella '* rounded on the upper margui, with the breadth 

 (when flattened) considerably greater than half its length." Parnell. 



7. B. commiitdtus SchreiiL (tumid Field B.)\ "panicle loose 

 slightly drooping in fruit, lower peduncles often elongated and 

 branched, simple peduncles equalling or exceeding in length 

 the obiong-lanceolate glabrous spikelets, florets loosely imbri- 

 cated, when in fruit the glumellas only slightly overlapping at 

 their edges near the base, awn straight about as long as'^the 

 floret, leaves and their sheaths hairy," H. Wats, in Hook Lond. 

 Journ. of Bot i. p. 84: Parii. Gr. tt. 124, 125. B. arvensis 

 Parn. Gr. t. 49. Serrafalcus Bab. B. pratensis E 

 (small ^specimen). 



4 



Road-sides and corn-fields, frequent. or ^. 6, 7.— This species, 

 says Mr. H. Watson, who has studied the British Brome-^rasses with 



920 





great attention, is known by its glossy grey-green spikelets acquiring 

 a brownish tinge in sunny spots, its longer and harsher peduncle's 

 than those of B. mollis and racemosus, and its glumellas larger and 

 more inflated than in B. secalinus and arvensis. Apex of the' larger 

 glume half-way (or a little more) between hs base and the summit of 

 the second floret on the same side. Inner glumella shorter than the 

 outer one, and only reaching to the base of the awn, which is rather 

 shorter than its floret ; outer glumella when flattened, twice as long 

 as broad, 7-nbbed. Dr. Parnell refers without doubt, £. B, t. 920, to 

 lus B. mollis var. pratensis, Gr. t, 1 18. Smith himself, in the E |Flora, 

 considered it to represent B. racemosus ; but Dickson's plant (Hort. 

 Sicc. 18 5.), referred to by Smith, is that form of B. commutatus 

 figured by Parnell at t. 124. Mr, Baker finds in Yorkshire a pratal 

 form, which has the spikelets quite separate, in fruit, as in B. secalinus. 



