60 RANUNCULACEAE. [Vor. II. 
3. Delphinium Carolinianum 
Walt. Carolina Larkspur. 
(Fig. 1564.) 
Delphinium Carolintanum Walt. Fl. Car. 
155. 1788. 
Delphinium azureum Michx. F1, Bor. Am. 1: 
314. 1803. 
Stem slender, more or less pubescent, 
1°-2° high. Leaves deeply cleft into 
linear toothed or cleft segments; raceme 
terminal, 4/-8’ long; flowers pedicelled, 
blue varying to white, about 1/ long, the 
spur curved upward, 8’’ long; follicles 3, 
erect or slightly spreading, downy, 7/’-9/’ 
long, tipped with a subulate beak; seed- 
coat rugose. 
Prairies and open grounds, Illinois to 
Manitoba, south to Florida and Texas; also 
in the Rocky Mountain region. May-July. 
4. Delphinium tricorne Michx. 
Dwarf Larkspur. 
(Fig. 1565.) 
Delphinium tricorne Michx. Fl. Bor. Am. 1: 314. 
1803. 
Stout, glabrous or pubescent, simple, 1°-3° 
high. Leaves slender-petioled, deeply 5-7- 
cleft or divided, the divisions linear or obovate, 
obtuse, entire, or again cleft and toothed; 
raceme loose, 4’-5’ long, mostly several-flow- 
ered; flowers 1/-114/ long, blue or white; spur 
generally slightly bent, ascending, 10’/—15/’ 
long; follicles 3, widely spreading, 5’’-6” long, 
tipped with a short beak; seed-coat smooth, dark. 
_ Western Pennsylvania to the mountains of Geor- 
gia, west to Minnesota and Arkansas. Roots tuber- 
ous. April-June. 
13. ACONITUM MAS BIE Geen ys 
Tall or long, erect ascending or trailing perennial herbs, with palmately lobed or divided 
leaves, and large irregular showy flowers. Sepals 5, the posterior (upper) one larger, hooded 
or helmet-shaped. Petals 2-5, small, the two superior ones hooded, clawed, concealed in 
the helmet, the three posterior ones, when present, minute. Stamensnumerous. Carpels 3-5, 
sessile, many-ovuled, forming follicles at maturity. [Ancient Greek name for these plants. } 
A genus of beautiful plants including some 18 species, mostly natives of mountainous regions 
in the north temperate zone. Besides the following, 2 others are found in the Rocky Mountains 
and on the Pacific Coast. Roots poisonous, as are also the flowers of some species. 
Flowers blue. 
Helmet arched, tipped with a descending beak. 1. A, Noveboracense. 
Helmet conic, slightly beaked. 2. A. uncinalum, 
Flowers white; stem trailing; helmet elongated-conic. 3. A. reclinatum. 
