382 Transactions. — Botany. 



dentatae ; laminae e basi aequilata lineares, subito acuminatae, 

 erectae, rigidulae, 10-20 cm. longas, culmeae planae ad 8 mm. 

 latae, innovationum complicatae (expansae 2-4 mm. latae), 

 virides, nervis haud promineDtibus tenuibus percursae. Pani- 

 cula ovata v. ovato-oblonga, ad 10 cm. longa, densa, sub- 

 nutans, subcontracta, rbachi ramisque laevibus, his binis 

 ternisve capillaribus, in ^— -J- inferiore indivisis, dein ramulos 

 secundarios 2-6-spiculatos tertianosque 1-2-spiculatos sub- 

 appressos agentibus, spiculis versus apicem ramorum con- 

 gestis, imbricatis, subterminalibus brevissime pedicellatis. 

 Spiculae elliptico-oblongae, 5-6-flores circ. 8-10 mm. lg., valde 

 compressse, virides v. pallidas ; glumae steriles 3 mm. et 4 mm. 

 longae, acutissimae, glaberrimae, I. subulato-lanceolata, 1 -ner- 

 vis, II. lanceolata, 3-nervis, paullo ultra mediam IV-am per- 

 tinens ; glumae fertiles auguste lanceolatae, acutissimae, 5 mm. 

 longae, callo villis crispulis glumam dimidiam aequantibus v. 

 superantibus vestita, ceterurn glaberrima, nervis lateralibus 

 extremis parum, intermediis minime prominentibus, ssepe 

 omniuo obsoletis. Palea gluma ^ brevior, lineari-oblonga, 

 acute bidentata, carinis scabro-puberulis. Antherae 3, 1*2 mm. 

 longae. In regione subalpina et alpina montium late divul- 

 gata et satis variabilis. Vidi specimina formae typicae e 

 locis sequentibus : Canterbury Alps ad Arthur's Pass, 

 altit. 1000 m. (Cheesem. nr. 1338, 1339) et Hooker Glacier 

 (Cheesem. 1341), Nelson mountains ad Mount Arthur Plateau 

 (Cheesem. 1340), Humboldt Mountains (Cockayne, 1347 in 

 hb. Cheesem.). 



Forma laxmscula, culmo elatiore, panicula laxiuscula 

 valde nutante, viridi. — Bealey Gorge, Canterbury Alps, alt. 

 1000 m. (Kirk, nr. 1373 hb. Cheesem.). 



Forma humilior, culmo 6-8 cm. alto, foliis circ. 3 cm. 

 longis, 1-5-3 mm. latis, panicula 3-4 cm., minus composita, 

 spiculis subcoloratis 7 mm. longis, glumis sterilibus § f er- 

 tilium aequantibus, lanceolatis. — Mount Hikurangi, East 

 Cape, alt. 1500 m. (Petrie 10198, hb. Cheesem. 1345) ; Otira 

 Glacier, Westland, alt. 1160 m. (Cockayne 6557, in hb. 

 Cheesem. 1348) ; Eaglan Eange, Wairau Valley, Nelson Alps, 

 1500 m. (Cheesem. 1342). 



Var. subvestita, glumis fertilibus 6 mm. longis in ^ in- 

 feriore carinis villis crispulis vestita, nervis lateralibus exte- 

 rioribus prominentibus, superne violaceo-tiuctis. — Central" 

 Otago (Petrie 10197, in hb. Cheesem. 1344); Arthur's Pass, 

 Canterbury mountains, cum forma typica (Cockayne 6566, in 

 hb. Cheesem. 1346). 



Poa foliosa, Hook, f., vera differt a nostra culmo elato 

 (50 cm. v. ultra), foliis elongatis (30 cm. v. plus) longe acumi- 

 natis, supra scabris, nervis crassiusculis sed non prominenti- 

 bus percursis, paniculae magnae (circ. 20 cm.) ramis fere a 



