EUPHORBIACEAE. 



VOL. II. 



8. Tithymalus lucidus (Waldst. & Kit.) 

 Kl. & Garcke. Shining Spurge. 



Fig. 2760. 

 Euphorbia lucida Waldst. & Kit. PI. Rar. Hung, ij 



54. pi. 54. 1802. 

 T. lucidus Kl. & Garcke, Abh. Akad. Berlin 1850^ 



66. 



Perennial by a horizontal rootstock, bright^ 

 green, glabrous. Stems rather stout, usually 

 clustered, erect or assurgent, 8'-2o' high, usu- 

 ally very leafy, simple or branched, topped by 

 a 4~/-rayed umbel ; branches simple or forked ; 

 leaves, except the whorl at the base of the 

 umbel, alternate, linear or linear-oblong, i'-ii' 

 long, 2"-6" broad, entire, mostly apiculate, ses- 

 sile, revolute-margined, those subtending the 

 umbel ovate, oval or obovate; bracts opposite, 

 reniform, obtuse or apiculate; involucres cam- 

 panulate, .li" long, sessile, bearing 4 yellowish 

 oblong crescent-shaped, 2-horned, unappen- 

 daged glands ; capsule globose-ovoid, 2" in 

 diameter, nodding, finely wrinkled; seeds li"- 

 li" long, nearly terete, whitish, smooth. 



In fields along the Susquehanna River, south- 

 ern New York and Pennsylvania. Formerly mis- 

 9. Tithymalus CypariSSiaS (L.) Hill, taken _f or Euphorbia nicaeensis All. Naturalized 



Cypress Spurge. Fig. 2761. 



Euphorbia Cyparissias L. Sp. PI. 461. 1753. 

 T. Cyparissias Hill, Hort. Kew. 172/4. 1768 



Perennial by horizontal rootstocks, bright green, 

 glabrous. Stems mostly clustered, often growing in 

 large patches, scaly below, leafy above, erect, i high, 

 or less, branched, the branches topped by many- 

 rayed umbels ; leaves linear, or almost filiform, those 

 subtending the umbels whorled, the others alternate, 

 sessile, 6'-i' long, i"-ii" broad; involucres turbi- 

 nate-campanulate, i" long, short-peduncled, with 4 

 unappendaged crescent-shaped glands; capsule sub- 

 globose, li" in diameter, spreading, granular on the 

 rounded lobes; seeds oblong, i" long, smooth. 



Escaped from gardens to roadsides and waste places, 

 Massachusetts to Virginia and Colorado. Naturalized 

 from Europe. Quack salver's spurge. Tree- or Irish-moss. 

 Balsam. Garden-spurge. Graveyard-weed. Welcome-to- 

 our-ho-use. Kiss-me-Dick. Cypress. Bonaparte's crown. 

 Poisonous when eaten in quantities. Bracts yellowish. 

 May-Sept. 



from Europe. July-Sept. 



10. Tithymalus Darlingtonii (A. Gray) 

 Small. Darlington's Spurge. Fig. 2762. 



Euphorbia Darlingtonii A. Gray, Man. 404. 1848. 

 T. Darlingtonii Small, Fl. SE. U. S. 719. 1903. 



Perennial, dark green, often minutely pubes- 

 cent. Stem rather stout, erect, i$-5 tall, fleshy, 

 topped by a 5-8-rayed umbel, branched above, the 

 branches simple or forked ; the leaves oblong or 

 oblanceolate, 1^-4' long, mostly obtuse at the 

 apex, sessile, often undulate, more or less pubes- 

 cent beneath, those of the stem scattered, those 

 subtending the umbels verticillate ; bracts oppo- 

 site, ovate or nearly reniform; involucres cam- 

 panulate, nearly 2" long, bearing 5 reniform 

 crenulate unappendaged glands ; capsule depressed- 

 globose, minutely warty; seeds ovoid-globose. 



New York, Pennsylvania and New Jersey to West 

 Virginia and North Carolina. May-Sept. 



