I’ETRADYNAMIA. 
433 
ferae 4. singula intra calycis foliola^ squamae mstar 
reflexae. 
331. TUJRRITIS. Siliqua longissima, angulata, striata. 
Cat. connivens, erectns. Pctala erecta. 
532. BRASSICA. Cal. erectus, connivens. Dissepiment 
turn, prominens. Sem. globosa. Glandula inter sta- 
mina breviora et calycem. Siliqua teres, rostrata. 
533. DENTAPi.IA. Siliqua elastice dissiliens, valvulis re- 
voiutis, Dissephnentum subfungosum. Stigma emar- 
ginatum. Cal. connivens. 
Calyx Mans, foUolis superne distantilus. 
534. CARDAMINE. Siliqua elastice dissiliens, valvulis 
revolutis. Stigma integrum. 
535. SISYMBRIUM. Siliqua rostro brevi tereti dehiscens, 
valvulis rectiusculis. Corolla patens. 
536. CLEOME. Glandulce nectariferae 3. ad singuluni 
sinum calycis siugulae, excepto infimo. Petala omnia 
adscendentia. Germen stipitatum. Siliqua 1-locula- 
ris, 2-valvis. 
I. SILICULOSJ. 
520. DRAB A. Gen.pl }Q7d. 
1. D. scapo nudo, foliis oblongis acutis subserratis hirtis, 
petalis bitidis, stigmate sessili. — Willd, sp. pi. 3. 
p. 426. 
Icon. FI. dan. 9S3. Engl. lot. 536. 
In cultivated grounds and old fields t Canada to Virginia. 
O . March — May. v. v. All the species of this ge- 
nus are small plants with white flowers. 
2. D. scapo nudo, foliis ovalibus acutis hirsutissimis, silicti- 
lis longo-linearibus glabris approximatis, — Mich. Ji. 
amer. 2. p. 28. 
D. caroliniana, Walt.fl. car. 174. 
In sandy fields : Virginia and Carolina, and on the banks 
of the Missouri. ©. April — June. v.v. 
3. D. scapo subunifollo adscendente, foliis lanceolatis inte- 
gerrimis subtomentosis : pilis stellatis, petalis retusis. 
— Willd. sp. pi. 3. p. 427. 
verna. 
hispidula. 
nivalis. 
