91. Poa. 287 
95. Engl. Bot. t. 1520. Gaudin helv. 1. 235. Cand. 
fr. 3. 57. Gussone sic, 1. 94. Broter. us. 1. 102. 
91. Poa. H. b. 1. 173. Tarapetala truncata 
aut acuta, semper vero duo separala, quam ob rem 
ad genus distinguendum non sufficiunt, Hydrochloae 
genus cum Poa combinaverim. 
Subgen. 1., Hydrochloa. Yalvula exterior septem- 
nervia. — Reliquarum omnium haud ultra quinque- 
nervia. 
1. P. aguatica. Hydrochloa aqualica H. b. 
1. 113. Glyceria aquatica Smith. engl. 1. 116. Gly- 
ceria speclabilis Mert. Koch germ. 1. 506. Poa aqua- 
tica Linn. sp. 98. Engl. Bot. t. 1315. Gaud. helv. 1. ' 
233. Cand. fr. 3. 58. Gusson. sic. 1. 93. 
Subgen. 2. Festucaceae. Spiculae in ramis pri- 
marüs paniculae sessiles et subsessils. — Ad Scle- 
rochloam transeunt et forte cum hisce conjungendae. 
Reliquarum-omnium panicula explicata. 
2. P. delawarica. H. b. 1. 174. Valvula 
prope .apicem limbo violaceo imargine membranaceo 
albo. Species distincta. Corrige errorem typographi- 
cum: Hort. Erg. et repone: Hort. Erfurt. nam habe. 
mus ex Horto Erfurtensi cl. Bernhardii. 
3. P. distens. M. b. 1. 175. Linn, mant. 32. 
Schrad. gerrn. 1. 282. Gaudin helv. 1. 234. Engl. Bot. 
ı. 986. Cand. fr. 3. 58. Gusson, sic. 1. 95. Festuca 
distans Kunth gram. 1. 129. agr. 383. Valvula ext. 
superne colore violascenti limbo pallide aureo. P. mi- 
