MONOGRAPHIA POLYGALACEARUM. 195 
glabra. Ale lanceolatæ, utrinque acutæ vel subacutæ, corollam paulo superantes 
trinerviæ, nervis simplicibus vel bifidis. Carinæ crista membranacea cca 6 lobata, 
lobis obtusis. Petala superiora carinam cristatam æquantia, lanceolata. Antheræ 
ovarium etc. ut in P. sanguinea. Capsula alis brevior late ovato-lanceolata. Semina 
ovoidea, pilis brevibus subhirsuta. Appendicula duo linearia obtusa semine fere 
triplo breviora. 
Habitat in America boreali : Rhode Island; Warwich leg. Cogdon, South 
Kingtown, Cogdon. | 
A. P. fastigiata, floribus brevius pedicellatis, alis latioribus, seminum carun- 
cula dissimili, bracteis post authesin et in racemo denudato persistentibus. 
P. SETACEA, Mich. 
Radix perpendicularis, tenuis; caules simplices vel pauciramosi, denudati; folia 
minima squamoidea; racemi densiflori cylindrici terminales, breves; sepala exte- 
riora longitudine subæqualia, superius duplo latius; alæ obovato-oblongæ, angustæ, 
acutæ, upinerviæ, nervo pauciramoso, quam corolla longiores; petala superiora 
angustissime elliptica, quam carina cristata longiora; carinæ crista brevis, pluri- 
fida ; antheræ q. filamenta libera duplo longiores; ovarium triangulari-cordatum ; 
stylus ovario vix longior: vagina stigmatis superioris angustissima, crista speciosa ; 
stigma inferius prominens obtusum; capsula triangularis, acuta, alis brevior; semina 
globosa, minuta, pilosa; arillus papyraceus trilobus compresse plicatus, brevis, in 
summo semine equitans. 
P:.setacea Michaux, El. 2, p.52: DC: Prodr.-.L, p..328. Torr. et Gr., 
DSL 4129: 
Tab. nostra XXII, fig. 28-31. 
Radix tenuis, lutea, lignosa, perpendicularis, perennis, haud incrassata, E cau- 
dice haud incrassato oriuntur caules pauci erecti, basi sublignosi, tenues, teretes, 
striati, glabri, virides, simplices vel media parte et superne ramosi, 15-40 cm. 
longi, minus quam 41 mm. crassi, sæpe basi purpurascentes. Rami erecti vel 
adscendentes, 5-10 cm. longi ut caules nudi. Folia squamiformia minima, cauli 
adpressa, distantia, acuta, sessilia, usque ad 1 mm. longa, in ramis sæpe apice 
setacea aculeata. Racemi terminales, densiflori 5-15,0 longi, 3-4 mm. lati, apice 
