Arctic Plants: Morphology and Synonymy 



5 B 



_ The accompanying figure A: 3 I have drawn from a specimen collected in 

 Spitzbergen by Professor A. G. Nathorst. 



FiGTJKB A. 



1. Poa glauca M. Vahl; spikelet. (Wollaston land). 2. Same; flowering glume, side-view 

 3. P. o66rmataR. Br.; spikelet. (Spitzbergen). i. Glyceriavilfoidea(,Asids.) Th.Fr.- empty 

 glume. (Greenland). 5. Same; flowering glume, side-view. 6. G. maritima (Huds.) We • 

 empty glumes. (Norway). 7. Same; flowering glume, dorsal view. 8. G. Vahliaria 

 (Liebm.) Th. Fr.; empty glumes. (Greenland) 9. Same; flowering glume, palet and flower 

 10. G. ieneKaLge.; spikelet. (Martin point, Alaska). 11. Same; empty glumes. 12. Same" 

 flowering ghime, side-view. 13. Same; apex of flowering glume. 14. G. angusiata (R. Br.j 

 Fr.; empty glumes. (Spitzbergen). 15. Same; flowering glume and palet, side-view. 16. 

 G^. 23awpercMZa Holm; empty glumes. (Hudson bay). 17. Same; flowering glume, side-view! 

 18. G. vaginata Lge.; empty glumes. (Cape Bathurst). 19. Same; flowering glume and 

 palet, front-view. 20. Same; flowering glume and palet, side-view. 21. G. Kjellmanni Lge. • 

 empty glumes. (Nova Zembla). 22. Same; lower empty glume, dorsal view. 23. Same- 

 upper empty glume, dorsal view. 24. Same ; flowering glume, ventral view. 25. Same- a' 

 stamen. ' 26. Same; the pistil with the lodiculae. (All the iSgures are enlarged.) ' 



P. glauca M. Vahl: "Caespitosa, multicaulis, rigidiuscula, magis minusve 

 glaucescens, spithamaea v. parum ultra; culmis laevibus (P. caesia) v. superne 

 scabriusculis (P. asperd), articulo superiore elongate; foliis subdistichis, planis 

 V. complicatis, apice curvato cucuUato-contractis, ligula brevi, obtusa, folii 

 supremi ovali-oblonga; panicula erecta, angusta, ramis brevibus, ante et post 

 anthesin adpressis, scabris; spiculis 3-5-floris, lanceolato-ovatis; glumis sub- 

 aequilongis, acutis, violaceis, albomarginatis, gluma florens (palea inf.) 5- nervia, 

 ad nervos sericea et basi lanata. Formae maxime memorabiles sunt : /3 elatior 

 Ands. 1-2' altus, foliis planis; paniculae ramis longioribus magisque quam in ' 

 a effusis, c. 3-5 in verticillis. 



"y pallida Lge. Dense caespitosa, pallide straminea, caespitibus basi vagin- 

 arum anni praeteriti reliquis cinctis; foliis angustissimis, complicatis, ligula 

 lacera; spiculis majusculis, lanceolatis, 5-6- floris; gluma florenti et palea lividis, 

 albomarginatis, cum macula aurea sub apice, ad nervos sericeis, ceterum glabris. 



