6Q PKOCEEDINGS OF THE AMERICAN ACADEMY 



filamento sterili glaberrimo. — Mexico, Cosiquiriachi, Wislizenus, 186. 

 Arizona, 1477, Wright. 



++++++ Semi-sesquipedalis, cum foliis sgepius minutissime pruinoso- 

 puberulus ; pedunculis pedicellisque brevibus ; corollis purpureis 

 ultra-semipollicaribus, fauce valde ampliata, limbo breviter bilabi- 

 ate, labio superiore minus patente. 



32. P. viRGATUS, Gray, 1. c. Caule e basi simplicissimo ; foliis 

 linearibus seu lineari-lanceolatis 1^ - 4-pollicaribus ; panicula elongata 

 angustissima multiflora nunc secunda, pedunculis plerumque oppositis ; 

 corolla roseo-lilacina ; filamento sterili glaberrimo. — New Mexico ; 

 580, Fendl.; 1476, Wright. 



33. P. LiNARioiDES, Gray, 1. c. Multicaulis e basi suffrutescente, 

 cinereo-pallidus, foliosissimus ; foliis (pollicaribus vel brevioribus) in- 

 ferioribus spathulato- superioribus angustissimo-linearibus, floralibus 

 subulatis ; panicula angusta subsecunda ; pedunculis omnibus alternis, 

 inferioribus 2 - 5-floris, superioribus unifloris ; corolla pallide ceesio- 

 purpurea, palato barbato ; filamento sterili longitudinaliter barbato. — 

 New Mexico and Arizona; 1472, Wright; 331, 1115, Thurber. 



H— -1--I- Axillijiori, nempe ramis (e caulibus ctespitoso-humifusis) usque 

 ad apicem subsequaliter foliosis. 



34. P. C^SPITOSUS, Nutt. in herb. Acad. Philad. (P. pumilus, 

 Benth. quoad pi. Fremont., non Nutt.) Depressus, cinereo-puberulus ; 

 ramis confertis e basi humifusa vel repente adscendentibus foliosissi- 

 mis (1-3 poll, longis) ; foliis lanceolato- seu lineari-spathulatis mucro- 

 nato-apiculatis aveniis (5-9 lin. longis) ; pedunculis axillaribus brevi- 

 bus secundis mox decurvo-patentibus apice folioso-bibracteatis flores 

 1-3 assurgentes brevi-pedicellatos gerentibus ; sepalis e basi latiore 

 marginibus scariosa lineari-lanceolatis foliaceis ; corolla (6-9 lin. 

 longa) cajruleo-purpurea tubulosa, tubo superne sensim subampliato 

 intus plicis 2 intrusis percurso, limbo breviter bilabiate, lobis sub- 

 sequalibus ; filamento sterili longe barbato. — Rocky Mountains, Nut- 

 tall (a diminutive specimen in herb. Acad. Philad.), Fremont (a 

 poor specimen in herb. Torr.), Parry, Hall and Harbour, coll. 1862 

 (no. 393), at the Middle Park, also on "rocky ledges of the upper 

 Platte, growing in spreading decumbent patches : flowers blue, with 

 purplish tips, and streaked with pink lines, first found by Mr. J. Har- 

 bour." Parry in litt. Very fine and full specimens (received as this 

 article is going to press) are given in the recent collection above men- 



