2(b PROCEEDINGS OP THE AMERICAN ACADEMY 



§ 4. Ptkrtgiuji. Nuculne Eakrynitzhice vel Pseudoh-ynitzhice^ 

 sed ala scariosa cinctae, sive una exalata, gyiiobasi subulutie usque ad 

 apicetn adfixoe, dorso granulato-scabras vel muriculata? : herba3 annua; 

 vel biennes, erecta; ; corollas tubo calyce baud longiore ; spicis ebracte- 

 atis. 



* Ala nuciilarum crenulata vel dentata nunc laciniata, lata, circum- 



scriptioue ovato-rotunda ; vel nucula una quandoque exalata mar- 

 ginibus aut rotundatis aut acutiusculis : sepala ovato-lanceolata 

 obtusiuscula. 



K. PTEROCAKTA. Eritrichium pterocaryum, Torr, in "Wilkes Exped. 

 xvii. 415, t. 13, B; "Watson, Bot. King Exped. 245; Gray, Sjn. Fl. 

 ii. 195, cum var. pectinatum, forma ala nucularum pectinato-laciuiata. 



♦ * Ala integerrima, nucula baud latior, circumscriptione ovata: lier- 



boe proceriores, rudes, aspero-bispida;. 



K. nOLOPTERA. Eritrichium holopterum, Gray, Proc. Am. Acad, 

 xii. 81, «& Syn. Fl. ii. 196. Pedalis et ultrapedalis, paniculato-ramosa, 

 parviflora; f'oliis parum sesquipollicaribus linearibus. — Collected only 

 by Dr. Palmer, in 187G, near Ebrenberg in Arizona, witbout mature 

 fruit. A plant coll. by Dr. Palmer in 1877, at St. George, S. Utab, 

 is in appearance between tbis and K. oxygona, witb calyx silky-villous 

 and apparently not bristly, the quite immature nutlets ovate- acute and 

 narrowly winged. 



K. SETOSissiMA. Eritrirhium setosissimicm, Gray, 1. c. Procera, 

 bipedalis e radice bienni vel forte perenni, setis longis gracilibus bispi- 

 dissima, sed foliis radicalibus (lanceolato-spatbulatis cum petiolo nunc 

 semipedalibus) pubc moUi canescentibus, setis fere nuUis. Folia cau- 

 lina lanoeolata ad linearia, poll. 2-4 longa. Inflorescentia primum 

 thyrsoideo-sp'icata, demum in spicis plurimis rigidis poll. 3-4 longis 

 strictis racemoso-dispositis evoluta. Corolla limbo lin. 3 lato. Calyx 

 fructifer lin. 4 longus, sepalis lanceolato-oblongis. Nucukc homomor- 

 phae, cum ala (utrinque ultra semilineam lata) ovales, lenticulares, sulco 

 aperto insertic. — Collected in Southern Utah and Northern Arizona, 

 by Ward, Palmer, and Rushy. A remarkable and very coarse species, 

 with much the habit of K. glomerata. 



§ 5. PsEUDOKRTNiTZKiA. Nuculoj triquctrne vel trigona3 angulis 

 lateralibus acutatis, gynobasi plerumque subulatic adfixa^ : berba? bien- 

 nes vel perennes, paucaj annua; ; corolla fornicibus faucialibus prominu- 

 lis vel exsertis et annulo 10-squamellato vel glanduloso supra basim 

 tubi sffipius instructa;. — Eritrichium, § Krynitzkia, subsect. Pseudo- 

 Myosotis, Gray, 1. c, excl. spec, nuculis alatis. 



