Phacelia. 



121 



aequalia, dcnsc pilosa et parcissime glandulosa, 4 min longa, apice oblusa, basi angustala; 

 corolla lilacina, campanulala, 6 mm longa, 5,5 mm lata, lobis brcvibus rotundalis; 

 stamina nuda, corolla sesquibreviora ; sqviamac anguslae lineares; Stylus calyce paulo 

 brevior, paulo infra medium parlitus; ovarium dense et longe pilosum; ovula 12 — 15 

 ad quamque placcntam. Capsula oblongo-ovoidea, apice acuta, sepalis frucliferis venosis 

 vix brevior; semina brunnea, angulato-oblonga, reticulata; embryo 1,15 mm longus, 

 ei»! vk'donibus ovatis radicula paulo brevioribus. 



Kalifornien: Nur in der Mariposa County (niebt »Tulare County«, wie irrtüm- 

 licherweise in der Originalbeschreibung steht) bei Hites Cove (Congdon, 8. Mai 1892; 

 Herb. Parish; desgl. 29. Mai 1898, n. 126001 u. 133062 in Herb. Berkeley) und bei 

 Hennessey Ranch (Lembert, Mai 1894, Herb. Berkeley). 



92. P. saxicola A. Gray! in Proc. Amcr. Acad. XX. (1884) 169, Syn. Fl. II. 1. 

 Suppl. (1886) 417. — Humilis, diffuse ramosa, hispida et minute glandulosa, caulibus 

 filiformibus. Folia spathulato-lanceolata, obtusa, in petiolum sensim attenuata. Cincinni 

 terminales, breves, laxiusculi, pedicellis calyce brevioribus; sepala parce pilosa, 6 mm 

 longa; corolla coerulea, 4 — 4,5 mm longa, late cylindrica; stamina corolla sesqui- 

 breviora; squamae lineares; Stylus inferne ciliatus, usque ad medium fere partitus, 

 ovario vix longior, calyce multo brevior; ovula ca. 15 ad quamque placentam. Capsula 

 ovoidea, corolla marcescente coronala, calyce fruclifero vix aueto plus duplo brevior; 

 semina brunnea subglobosa, minute foveolata; embryo fere inconspieuus, ca. 0,2 mm 

 longus. 



Pazifisches Nordamerika: Auf feuchten Felsen im südlichen Great Basin; selten. 

 Nordwestarizona: Zwischen Kingsman's Station und Peach Springs (Lemmon and 

 Wife). Nevada: Pahroe Spring (Purpus n. 6303]. 



93. P. incana Brand, Beilr. Hydroph. (1911) 8. — Annua humilis, ereeta, 8 — 

 12 cm longa, dense incano-hirsuta et glandulosa, a basi subvirgato-ramos a. Folia ob- 

 ovata vel elliptica, longe pctiolata, utrinque attenuata, integerrima. Cincinni terminales, 

 laxiflori, pedicellis calyce fruclifero multo brevioribus. 



Sepala linearia, breviter pilosa, 1 mm longa; corolla 

 campanulala, 4 mm longa, lobis brevibus rotundatis; 

 stamina nuda, corolla sesquibreviora; squamae angustis- 

 sime lineares; Stylus calyce brevior, sed ovario longior, 

 inferne ciliatus, apice breviter bifidus; ovarium ciliatum; 

 ovula 1 5 ad quamque placentam. Capsula ellipsoideo- 

 oblonga, calyce fruetifero 6 mm longo sesquibrevior; 

 semina oblongo-ovoidea, brunnea, minute foveolata; 

 embryo 0,5 mm longus, cotyledonibus ovatis radicula 

 duplo brevioribus. 



Utah: Dugway (M. E. Jones, gesammelt am 

 28. Mai 1891). — Vom Sammler als P. pusilla be- 

 stimmt. 



9 4. P. rotundifolia Torr, ex Wals. Bot. King 

 (1871) 25 3; A. Gray! in Proc. Amer. Acad. X. (i 87 5) 

 326, Syn. Fl. II. 1. (1878) 169. — Simplex vel ra- 

 mosa, 3 — 2 cm alta, glandulosa et hirsuta. Folia 

 longe petiolata, orbicularia, lobata, basi cordata. Cin- 

 cinni laxiflori, pedicellis calyce fruetifero brevioribus; 

 sepala oblongo-spathulata, 4 — 5 mm longa; corolla 

 alba, campanulata, 5 mm longa, lobis brevissimis; 

 stamina corolla duplo breviora; squamae anguste 

 lineares; ovarium sub lente vix ciliatum; 6tylus apice 

 vix bifidus, ovario longior, calyce brevior; ovula 20 — 



30 ad quamque placentam. Capsula oblonga, calyce paulo brevior; semina minima, 

 brunnea, globularia; embryo ca. 0,5 mm longus. — Fig. 21. 



Kg. 21 . Phacelia rotundifolia Torr. 

 (Icon. origin.) 



