576 



CVII. GRASnNE^, 



[ Cynod 



on. 



/ 



3. S. alterniflora Loisel. (mani/'Spiked C.) ; partial spikes nu- 

 merous, larger glume 5 -nerved fringed with a few distant 

 short bristly hairs on the keel otherwise glabrous, outer glu- 

 mella 3-nerved glabrous slightly toothed on the keel above, 

 rachis much produced beyond the spikelets with aflexuose awn- 

 like point, leaves equal to or longer than the spikes dilated at 

 the base continuous with the sheath and all persistent. E. B. S. 

 t. 2812 : Parn, Gr. t. 75. S. glabra MuhL S. laevigata Linh 



Itchin Ferry, Southampton. 2/. . 8. — Inner glumella longer than 

 the outer one, but shorter than the larger glume^ which is 2 — 3 times 

 longer than the smaller one. Much taller than the preceding. 



43. Cynodon Rich. Dog's-tooth-grass. (Tab. IX. f. 40.) 



Spike compound. Partial spikes spreading, digitate or race- 

 mose. Spikelets almost sessile, awnless, arranged in a single 

 row on one side of the partial rachis, laterally compressed, with 

 one fertile and a rudimentary neuter floret. Glumes 2, nearly 

 equal, spreading. Glumellas 2, compressed, outer one boat- 

 shaped, at length hardened and inclosing the caryopsis. Styles 

 distinct. Stigmas oval. — Ligules none, except a tuft of hairs. 



Named from KViov^ a dog, and oiovg^ a tooth. 



1. G. Ddctylon Pers. (creeping D) ; partial spikes 3 — 5 digi- 

 tate, outer glumella longer than the glumes,^ glabrous on the 

 sides somewhat ciliated on the keel and margins, leaves downy 

 beneath, stem creeping at the base. E. B. t. 850 : Parn. Gr. 



t.72. 



Cornwall, near Penzance; Stud- 

 5 8. — Culms 4 — 6 inches high. 



On the sandy sea-shore, rare, 

 land, Dorset; Devonshire, %, ' 

 Leaves on the barren shoots flat and spreading, on the stems usually 

 folded. Ligule a tuft of a few hairs. ' Spikelets purplish. Neuter 

 floret at the base of the inner glumella, a mere beardless bristle 

 thickened at the end, more than half the length of the glumellas, 



44. DiGiTARiA, Scop. Finger-grass, (Tab. IX, f. 41.) 



■ 



Spikes compound. Partial spikes somewhat digitate. Spike- 

 lets in pairs on short unequal pedicels, arranged on one side of 

 the partial rachis, awnless, flat in front, rounded on the back, 

 with one perfect flower, and one barren or neuter in front. 

 Glumes 2, lower one much smaller or obsolete. Barren or 

 neuter floret as large as the fertile one, with 1 — 2 glumellas ; 

 outer glumella resembling the upper glume. Outer glumella of 

 the upper or fertile floret convex, embracing the inner one, at 

 length hardened and enclosing the caryopsis. Styles 2, distinct. 



"Named from digitus^ 2i finger. 



1. D, '^ sanguindlis Scop, (hairy F.) ; culm creeping at the base, 

 sheaths tuberculate and leaves hairy, stipules membranaceous, 



4 



.1 



I 



3 



