Gentiana,] GENTIANEiE. 



57 



cellatis bracteatis, calyce integro, corollse cyanese lobis oblongo-lanceolatis plicam apicefis- 

 sam triplo superantibus, antheris liberis, seminibus ovalibus ala tenui cinctis. 



Habitus G, Pnettmonanthis. Herha ascendenti-erecta, pedalis, Caulis solitarius, striato-subangu- 

 Iatus,pennam corvinam crassus, simples, plerumque hirsutiusculo-scaber. ' LiternodiaXu^QnoxdL semiuncialia, 

 superiora sensim longiora. Folia erecto-patentia, glabra, marginc ad lentcm serrulata, substantia foliari 

 usque ad punctum connationis producta, inferiora obtusissima (10'" longa, 4'" lata), cetera oblongo-Ianceolata 

 et lanceolata, rigidiuscula, obsolete 3-3nervia (unciam longa, 1J"'-2J"' lata.) Flores solitarii in superi- 

 oribus axillis ; inferiores longius pedicellati, tres summi approximati, singuli bracteati. *5e/3a/a foliacea, 

 suba^qualia, membrana intra calycina duplo breviori conglutinata, oblongo-linearia, acutiuscula, corolla 

 duplo breviora, distantia (hinc membrana ilia aucta), calyx truncatus, integer, turbinatus. Corolla (facie 

 GentiancB PneumonantMs) cyanea, lobis oblongo-lanceolatis, obtnsis, patentibus, tubo triplo brevioribus. 

 Genitalia inclusa, AntkercB ovales, basi obtuse cordata?. Ovarium obi ongo-lin care, utrinque attenuatum, 

 stigmatibus connatis, sub anthesi erectiusculis, Capsula elliptico-oblouga, in brevem stipitem attcnuata, 

 corollam marcescentem jequans. Semina creberrima, plana, ovalia, ala tenui cequali circumdata. — Ditlcrt 

 a G. Saponarici /3., cui proxima : inflorescentia, sepalis acutiusculis nee acuminatis, coroUse loborum ac 

 tubi figura, antheris liberis, earum seminum forma; a G, adsurgente, Cervant. mscrpt. fioribus bracteatis, 

 corollce lobis oblongo-lanceolatis nee obovatis, rotundatis, caule scabro ; a G. triflora PalL fioribus pedi- 

 cellatis, plica apice fissa, foliis margine scabris, inferioribus latioribus, caule scabro, seminibus alatis ; a 

 G. angustifolia Mich, inflorescentia, fioribus bracteatis, corolla? lobis obtusis, foliis margine scabris, latiori- 

 bus, etc. ; a G. Pneumonanthe, L, antheris liberis cordatis, phca apice fissa, foliis margine scabris, inferne 

 densioribus, pedicellis oppositis. 



Hab. Carlton House to Edmonton House. Mr. Drummond. Vallies of the Rocky Mountains. Mr. 

 DouglaSf Mr, Brummond. Abundant in the mountain vallies, between Spokan and Kettle Falls, in allu- 

 vial deposits. Mr, Douglas, — There is a variety in which the under leaves are reduced to scales. This 



species stands indeed very near those above mentioned, 



5. G. aiigustifolia (Mich.); caule flexuosoj foliis linearibus obtusis (hinc cuspidatis). 

 margine Isevibus, flora unico terminal! pedunculato ebracteato, calyce integro, coroUse cy- 

 anese lobis ovato-oblongis obtusis plica multifida duplo longioribus, antheris connatis de- 

 mum liberis. — Mich. 1. p, 177. Pursh^ I, p. 186. Beck, p, 240. — G. purpurea, Walt, 

 Carol. 109. — G. porphyris. Walt. App. — GmeL Sib. v, 5. p. 462. 



Hab. Canada. Mr. Goldie, It grows in sandy fields and pine barrens. — G./rigida, H. and K., has 

 been found by Chamisso on the opposite shore of Behring's Strait, at the Gulf of St. Lawrence, and must 

 undoubtedly occur also on the American side, although it does not seem yet to have been detected. 



6. G. Sceptrum (Griseb.); caule stricto elato, foliis oblongo-lanceolatis elongatis obtusis 

 margine Isevibus, pedunculis axillaribus oppositis S-S-flons, calyce integro, corollis caeruleis, 

 plica vix producta Integra, antheris liberis. (Tab. CXLV.) 



Caulis 3-4-pedalis, pennara anserinam (inferne cygneam) crassus, strictus, teres, striatus, glaberrimus, 

 foliosus, prseter infloresccntiam simplex, siccitate flavescens, Internodia inferiora sesquiuncialia, superi- 

 ora subacqualia 2-3 uncialia folia gequantia 1, paullum exccdcntia. Folia erecta, cauli approximata, inferi- 

 ora elongato-lanceolata (biuncialia), media oblongo-1. elliptico-lanceolata, basi lata, connata apice obtusa, 

 (2-2 J unc. longa, 10-12 lin. lata,) superiora elliptico-oblonga (sesquiuncialia, unciam lata,) omnia scptem- 

 nervia, nervo medio prominente, Isevia, glaberrima, margine subrcvoluto lievi. Ex superioribus axillis 

 enascunturj9ef/tt?icw/i oppositi, nudi, erectiusculi 1. apice subcernui, inferiores folium supcrantes, superiores 



VOL. II. H 



