76 VIOLACE.E. SoLEA. 



gland above the middle. Stigma uncinate, with a pore at the extremity of the point. 

 Capsule somewhat 3-sided, surrounded at the base by the concave torus. Seeds 6-8, 

 very large. — An herbaceous perennial herb, with alternate cauUnc leaves and small flowers 

 on solitary or geminate axillary peduncles. 



1. SoLEA coNcoLOR, ding. Grcen-Jiowered Soka. 



Ging. in DC. prodr. 1. p. 306 ; Torr. ^ Gr.fl. N. Am. 1. p. 144. Viola concolor, Forst. 

 in Linn, trans. 6. p. 308. t. 28 ; Nutt. gen. 1. p. 151 ^ Schwein. I. c. ; Torr. Jl. \. p. 258. 

 V, stricta, Spreng. pug. rar. I. p. 22. lonidium Sprengelii, Rozm. <^ Schult. syst. 5. p. 401. 



Plant somewhat hairy or pubescent, 1-2 feet high, simple, leafy. Leaves 3-7 inches 

 long and 1-2 inches wide, oblong-lanceolate, attenuate at each extremity, entire or sparingly 

 toothed. Peduncles 3-4 lines long, recurved. Flowers about one-third of an inch long, 

 greenish. Sepals as long as the corolla, lanceolate, smooth. Lowest petal twice as large as 

 the others. Filaments produced a little above the anthers : nectariferous glands scssOe, con- 

 fluent. Style stout, distorted near the base : stigma smooth, not margined. Capsule nearly 

 an inch long. Seeds globose, obovate, with a conspicuous raphe and caruncle. 



Wet shady woods in the western part of the State ; rare. Fl. May - June. Fr. July. 

 A homely weed-like plant, with inconspicuous flowers. 



Order XV. CISTACE^. Juss. The E.ock-ro.se Tribe. 



Calyx of 5 persistent sepals; the two outer ones usually small, or sometimes 

 wanting ; the three interior imbricated, and somewhat twisted in aestivation. 

 Corolla of 5 (rarely 3, or by abortion none), hypogynous, mostly very fuga- 

 cious, usually crumpled in aestivation, and twisted in a direction contrary to 

 that of the sepals. Stamens indefinite, or rarel}' few, hypogynous, distinct ; 

 anthers short, innate. Style single : stigmas as many as the placentae, more or 

 less united. Capsule 3 - 5-valved, 1-celled with parietal placentae, or imper- 

 fectly 3 - 5-celled, with dissepiments proceeding from the middle of the 

 valves, and bearing the placentas at or near the axis. Seeds few or numerous, 

 orthotropous (or very rarely somewhat anatropous), with mealy albumen. 

 Embryo usually curved, or spirally convolute. — Herbs, or low shrubby plants; 

 with simple and entire leaves, opposite or alternate, with or without stipules. 



