ea. 
CLASS XIl—POLYANDRIA. 
ORDER I. MONOGYNIA. 
237. TILYA. Gen. pl. 894. (Tikacee.) 
Calix inferior, 5-parted, deciduous. Petals 
5. Immature capsule 5-celled, 5-valved, 
cells 1 or 2-seeded; mature capsule cori- 
aceous, globose, 1-seeded, bursting at the 
base.— Nutt. 
glabra. 1. I’. leaves suborbiculate, cordate, abruptly acumi- 
nate, narrowly serrate, subcoriaceous, smocth ; 
petals truncate at the end, crenate, the style 
nearly equal to the petals; nut ovate, subcos- 
’ tate.— Ventenat. 
T. Americana, Willd. 
T’. Caroliniana, Wangh. Amer. 56. (Pursh.) 
TY’. Canadensis, Mich. - 
Icon: Mich. Arbr. forest. vol. 3. p. 311. ft. 1. 
Lime-tree. Linden-tree. Bass-wood. Spoon-wood. 
A well-known tree under the above appellations. Frequent 
on‘the country seats of this neighbourhood, and plane occa- 
sionally in the streets of this city. kh. May, June. 
238. HELIANTHEMUM. Juss. Gen. pl. 326. (Cisti.) 
Segments of the calix mostly unequal, the 2 
exterior smaller. Petals 5. Capsule, su- 
perior, 4-celled, 3-valved, valves septife- 
rous in the centre.—WVutt. 
Canadense. 1, H. without stipules, erect; leaves alternate, 
erect, linear-lanceolate, flat. tomentose beneath; 
racemes terminal, few-flowered; calicine seg- 

