CBTJCIFERM. 



267 



orbicular ellipsoidal oblong or linear-angustate, turgid or more or 

 less compressed ; style erect, short or long ; apex stigmatose, subcapi- 

 tate or 2-lobed ; lobes erect, connate or free ; valves flat or convex, 

 ribbed or not ribbed ; septum veined, sometimes fenestrate. Seeds oo, 

 1- or 2-seriate, sometimes solitary (Eicotia 1 ), flat or immarginate ; 

 funicles slender free. — Herbs or undersbrubs, branching virgate, 

 hoary or silvery with bipartite or more rarely stellate appressed hairs, 

 more rarely subglabrous (Eicotia) ; leaves alternate entire or pin- 

 natisect (Eicotia); flowers 2 ebracteate in racemes sometimes spiciform 

 (Mediterranean, Tropical Africa, the Easf). 



99. Selenia Nutt. 4 — Sepals subequal, patulous (coloured). Petals 

 erect, finally much elongated. Stamens 6, free. Hypogynous 

 glands 10. Siliqua oval subelliptical much compressed or turgid, 

 acute at base or at both ends ; style thin sword-shaped ; apex stigma- 

 tose capitate ; valves reticulate ; septum hyaline, entire or more or 

 less fenestrate. Seeds few in each cell (4-G), orbicular, much com- 

 pressed, marginate or alate ; funicles slender free. — Small annual 

 herbs ; leaves pinnatisect ; flowers 5 in terminal leafy racemes (Texas, 

 Arkansas 6 ). 



100. Platyspermum Hook. 7 — Sepals equal, patulous obovate 

 subsessile, afterwards much elongated, long-angustate, at base sub- 

 spathulate. Stamens free. Siliqua ovate very much compressed 

 sessile ; valves flat glabrous ; septum thin hyaline entire ; style nearly 

 absent ; ovary stigmatose at top. Seeds few orbiculate compressed 

 broadly marginate ; funicles thin ; cotyledons accumbent. — A low 

 annual herb ; leaves " radical," subentire or pinnatifid ; flowers 8 soli- 

 tary ; peduncles long erect slender (Oregon 9 ). 



101. Alyssum L. 10 — Sepals equal at base, often rather short, erect 



1 L., Gen., n. 810.— DC, Prodr., i. 157.— 

 Endl., Gen., n. 4864.— B. H., Gen., 72, n. 26. 



2 White, yellow, purplish, or pale lilac 

 (Ricotia) . 



3 Spec, about 20. Deless., Ic. Sel., ii. t. 34. — 

 Boiss., Fl. G>\, i. 157, 254 (Ricotia).— Gren. 

 & Godr., Fl. de Fr., i. 113.— Rot. Reg., t. 49 

 (Ricotia). — Walp., Rep., i. 139; ii. 36 (Ricotia), 

 757; Ann., i. 31; ii. 36, 37; iv. 195; vii. 109. 



4 In Journ. Acad. Philad., v. 132, t. 6. — A. 

 Geay, Gen. Ill, t. 67.— B. H., Gen., 72, n. 25. 



5 Yellow. 



6 Spec. 2. Walp., Rep., i. 154; Ann., vii. 

 108. 



? Fl. Bor.-Amer., i. 68, t. 18 B. — Endl., 

 Gen., n. 4926.— B. H., Gen., 72, n. 28 (nee 



HOFPM.). 



8 White, nearly of Cardamine. 



9 Spec. 1. P. scapigerum Hook., loc. tit. 



10 Gen., n. 805.— J., Gen., 240.— DC., Prodr., 

 i. 160. — Spach, Suit, a, Ruffon, vi. 476. — Endl., 

 Gen., 4874. — Hook. p. & Thoms., in Journ. Linn. 

 Soc, v. 148.— B. H., Gen., 73, 966, n. 34. 



