270 'BOTANICAL GAZETTE [APRIL 
TABLE XIV 
GERMINATION IN DARKNESS IN VARIOUS CONCENTRATIONS 
‘ Sees 2 ie 
4 Zz o iz, a 3 8 
SEEDS Bt 6A 611.6] 014-6 -SEEDS el Gi hae. f Oe le eee 
Acetic acid Sodium iodide 
‘bascum Thapsus. . o}| o| 77/170} 86 Verbascum Thapsus...|.... | wae) 87 | O81 02 i 
Rumex crispus......... oj} o| 29} 23 | © Rumex Pept O10 bee ae 
Daucus Carota........ Of Of eres anne Caro | Ol See pee ne od 
enothera es o} 8] 48] 42! 53 Oenothera mente Hee Reawie ae 42 | 72 | 40 }..«- 
Nicotiana Tabacum o} of] 27] 46 Nicotiana aOOCGI 6 avi tie ss an gece o 
Butyric acid Sulphuric acid 
Peet vag oe eae ee 
Verbascum Thapsus oe aeor Sa (SG es. erbascum Thapsus...|....].... 8 | 35 | 94 | 97 
Rumex crispus......... Le err. Ot 2 Poe Runes CRS es cl es cas ° I oo}; o 
Daucus Carota.... Oboe to gilts 6 |....|| Daucus Car ote prt cul yak xs Oi 52 a 7 
Oenothera biennis...... o| o|] o| 45 | 50|....|| Oenothera biennis.....|....}.... 25 | 36 | 34 | 40 
Nicotiana ol} et 6 1 38 iro Nieotinnk Tabacura Bees Bere igen 2 1194. (2 9 2 
Citric acid Pot Iphate 
Verbascum psus o | 40] os | 08 |.. erbascum Thapsus...]... | ....| 87 | 89 |roo . 
Rumex crispus......... 6 j:17 6} 43 Ramee crispus I Oo }).* . 
ucus Carota........ ° re Be Daucus Carota cs ope tivities (i aes : 
Qenothera Ss ene -...| 38 | 6t | 52 | 68 Oenothera biennis.....{..../.... 44 | 58 | 38 |-.+ 
Tabacum....|....| 36 | 35 | 54 | 58 |....|| Nicotiana Tabacum...|....|.... s}. 5 : 
Tartaric acid Ammonium sulphate 
Verbascum Thapsus....|....| o | 14 | 81 | 53 Verbascum Thapsus...} 0 | 51*| 92 | 87 98 |.-+- 
Rumex crispus......... wee oe 94 68 8 Rumex crispus........ etos 9 [ses 
Daucus Catota 2. i) an te xs Daucus Carota....... o}| 0° 15 jewee 
Oenothera biennis...... weve] 21 52 | 75 | 67 Oenothera biennis..... o | 44*| 53 | 54 | 65 |--++ 
Nicotiana Tabacum....}....| 21 | 59 | 50 | 27 iana o | 36*| 44 | 40 | 23 |--+* 
Malic acid Sodium sulphate 
Verbascum Thapsus. .. . 5 | 64 |r00 | ot bent h pes Be he | -...| ot | 94 | 88 ].-- 
Rumex crispus..;;.....|-;.. Bet 3a 6 ° +e 
Daucus Carota........ Vas Sige Daucus ‘Carota. PIS a Rue 6 pe 
Oenothera biennis...... svicl 27.1 88 | 541 60 Oenothera biennis.....|....|.... 58 | 48 | 41 . 
Nicotiana Tabacum....|....| 40 | 43 | 31 | 83 Nicotiana Tabacum,..}....|.... 9 es 
Potassium sulphocyanate Lithium sulphate 
| 
gh ee nn ee | 80 75:1 Be tes. Verbascum Thapsus.......|--.| 98 ga Wea Suede 
Rumex crispus ° 2 j|....|| Rumex crisi Sf Oh ek eves 
Dances Contes, 2.44 ies: Si«le Daucus Carota feiiep 2 SO ery 
enothera biennis......|....|.... 70 | 65 | 6r Oenothera Disha. otf 46 | 53 | 37 . 
Nicotiana Tabacum....|....].... 4i°21-4 Nicotiana Tabacum...|....|.-.. a7) 221 8 eee 
Sodium sulphocyanate Nickel sulphate 
Verbascum Thapsus | 0} 93 | 52 Verbascum Thapsus...|... |. ..-| 63t| 62 | 86 ‘ 
Rumex erienus.: cia bic es: ole nance iene CT ee Bs ee cao! 
Daucus Carola 4-0, si Daucus Cama ies S| 20} 2h jae 
Oenothera biennis......|....|.... 63 | 57 | 53 oath lea eis euawaliwcudowes 33 | 49 | 37 }-*- 
Nicotiana Tabacum....|....|.... Ol ott Nicotiana Tabacum...|....|.... 2) 35.¢° 8 pee 
Bs es yt Ce Boe 
* Little more than swelling. 
t Injured. 
