Gilia. 87 



48. P. variabilis Brand n. sp. — P. collina Rydberg in Mem. New York Bot. 

 Card. I. (1900) 316, ex parte. — Humilis, caespitosa, glabriuscula. Folia plana, linearia, 

 4 — 15 mm longa, cuspidata, eglandulose et longiuscule ciliata, dense imbricata, inter- 

 nodiis nullis. Flores ad apices ramulorum sessiles, solitarii vel gemini; calyx campanu- 

 latus, nunc glaber nunc glandulose vel eglandulose ciliatus, saepius 6-partitus, lobis 

 subulatis tubo intra nervös simpliciter hyalino sublongioribus; corolla 15 — 18 mm longa, 

 tubiformis, tubo superne distincte dilatato calyce paulo breviore, lobis late ovatis integris 

 tubo sesquibrevioribus; stamina nunc 4, nunc 5, nunc 6, inaequaliter affixa, supremum 

 saepius exsertum; Stylus glaber, calyce paulo brevior ; Stigmata 3 vel 4, stylo breviora; 

 ovarium oblongum, loculis uniovulatis. 



Colorado: Rocky Mountains (Hall u. Harbour n. 454). 



6. Gilia Ruiz et Pav. 



Gilia*) Ruiz et Pav. Fl. peruv. et chil. Prodr. (1794) 25 t. 4; Juss. in Ann. 

 Mus. Paris XV. (1810) 341; D. Don in Edinburgh Phil. Journ. VII. (1822) 287; Endl. 

 Gen. (1840) 657; Benth. in DC. Prodr. IX. (1845) 310; Gay, Hist. Chile, Bot. IV. 

 (1849) 423; A. Gray in Proc. Amer. Acad. VIII. (1870) 262, Syn. Fl. II. 1. (1878) 

 137; Peter in Engl. u. Prantl, Pflzfam. IV. 3 a . (1891) 48. — Ipcmopsis Michx. Fl. 

 bor.-amer. I. (1803) 144. — Briekellia Raf. in Med. Repos. New York V. (1808) 353 

 (ex Ind. Kew.). — Ipomeria Nutt. Gen. amer. pl. I. (1818) 124. — Batanthes Raf. 

 Atl. Journ. (1832) 145. — Fenxlia Benth. in Bot. Reg. XIX. (1833) sub t. 1622. — 

 Leptosiphon Benth. 1. c. — Linanihus Benth. 1. c. ; Greene in Pittonia II. (1892) 251; 

 Man. (1894) 2 49; Howell, Fl. N. W. America I. (1903) 455; Milliken, Rev. Calif. Polem. 

 (1904) 44. — Eugdia Benth. in Bot. Reg. XIX. (1833) sub t. 1622; Howell, Fl. 

 N. W. America I. (1903) 458. — Leptodactylon Hook, et Arn. Bot. Beechey's Voy. 

 (1840) 369. — Dactylophyllum Spach, Hist. veg. Phan. IX. (1840) 108. — Ross- 

 maesslera Reichb. in Heynhold, Nom. (1840) 113. — Microsteris Greene in Pittonia 

 III. (1898) 300. — Cantua Howell, Fl. N. W. America I. (1903) 452, non Juss. — 

 Callisteris Greene, Leaflets I. (1905) 159. 



Calyx tubulosus vel campanulatus , tubo intra nervös virides hyalino, Capsula ac- 

 crescente plerumque usque ad basin fissus, dentibus aequalibus, rarissime inaequalibus. 

 Corolla hypocrateriformis vel tubiformis vel infundibuliformis , rarius campanulata vel 

 rotata, lobis integris tubo plerumque brevioribus. Stamina tubo vel fauci, rarius in 

 sinubus loborum corollae aequaliter, raro inaequaliter affixa, filamentis nudis, antheris 

 ovalibus vel oblongis , raro subsessilibus. Stylus glaber , stigmatibus 3 filiformibus. 

 Ovarium in disco parvo cupuliformi sessile, 3-loculare, loculis 1 — multiovulatis. Capsula 

 ovoidea vel oblonga, 3-valvis, loculicide dehiscens, calycem haud vel vix superans, oligo- 

 sperma vel polysperma. Semina parva exalata, raro anguste alata, sub aqua immutata 

 vel spirillifera vel mucilaginosa. Embryo albus vel viridis, rectus vel curvatus, cotyle- 

 donibus linearibus vel oblongis. — Herbae annuae vel biennes vel perennes. Folia 

 alterna vel opposita, integra vel divisa. Flores sparsi vel in paniculos thyrsos capitula 

 congesti. 



Species ultra 100, quae omnes Americam inhabitant; multae saeculo praeterito, 

 paucae hodie quoque propter pulchritudinem florum coluntur. 



Nystemsi generis. 



A. Corolla hypocrateriformis vel tubiformis vel infundibuliformis. 



a. Folia omnia vel superiora alterna Subgenus I. Bonthamiophila. 



a. Embryo rectus. 

 I. Radix annua. 



* Nomen datum est in honorem cl. Fe lipe Luis Gil, qui una cum cl. Gaspar Xuarez 

 librum de planus quibusdam exoticis Romae edidit annis 4 789—1792. 



