426 FLORA OF TEXAS. 



pendages at the base of the filaments ; stamens included ; 

 anthers ovoid ; ovary hispid, 2-12-ovuled ; inlacentce large, 

 lining the walls of the pericarp ; dylc 2-parted ; cai^sule 

 globose, 1-2-seeded. — Tender prostrate annual lierhs, with 

 divided leaves, and solitary long-peduncled /oilers opposite 

 the leaves. 



N. MiCROCALYX, Fisch. and Meyer. Pubescent, or at 

 length smoothish ; stem filiform, difiuse ; leaves thin, long- 

 petioled, alternate, 3-lobed, the lobes obovate or wedge- 

 shaped, crenately toothed, the lowest ones mostly opposite, 

 and 3-5-lobed ; floivers minute, white, on slender spreading 

 peduncles, which are shorter than the petioles ; ovary 

 4-ovuled ; capsule 1-2-seeded. Shady woods. April-June. 

 Stem 3'-l° long; leaves i'-l' long; corolla 1" long; seeds 

 bony. 



PHACELIA, Juss. 



Calyx 5-parted, not appendaged in the sinuses ; corolla 

 bell-shaded, 5-lobed, imbricated in the bud ; stame^is in- 

 cluded or exserted ; anthers ovoid or oblong ; ovary 2-mauy- 

 ovuled, tlie 2 narrow placentae often projecting inward, and 

 forming an imperfect partition in fruit; style 2-c\eft ; cap- 

 sule 2-valved, 4-many-seeded. — Low chiefly annual herbs, 

 with alternate mostly pinnately divided leaves, and white 

 or blue flowers in one-sided racemes. 



EuTOCA. Ovules more than 4 ; coroUa usually with minute appendages 

 within, the lobes entire. 



P. PARVIFLORA, Pursh. Pubescent ; stems several, 

 spreading, branching ; leaves petioled, the lowest 3-7-lobed, 

 the upper 3-parted ; racemes loosely 5-15-flowered ; jjedi- 

 cels slender, much longer than the calyx ; calyx-lohes 

 linear-oblong, bristly-ciliate ; corolla small, pale-blue or 

 white. Shady banks. April and May. Stems 3-8' high ; 

 corolla 3 "-4" wide ; capsule few-seeded. 



P. PusiLLA, Buckley. Pubescent and somewhat glau- 



