VIOLET FAMILY 



123 



3. Helianthemum Greenei Robinson. Island Rush-rose. Fig. 3250. 



Helianthemum occidentale Greene, Bull. Calif. Acad. 2: 144. 1886. Not Nym. 1878. 

 Helianthemum Greenei Robinson in A. Gray, Syn. Fl. N. Amer. 1^: 191. 1895. 

 Crocanthemiim occidentale Janchen in Engler & Prantl, Nat. Pflanzenf. ed. 2. 21: 305. 1925. 



A much-branched suffrutescent plant with a woody base, 3-5 dm. high, canescent on the 

 leaves and stems with a stellate-hirsute pubescence, branches of the inflorescence and calyx with 

 simple glandular-villous wine-colored hairs. Lower leaves oblanceolate, the others linear, 10-25 

 mm. long; inflorescence corymbose-branched; inner sepals 6-7 mm. long, villous or glandular- 

 villous; petals broadly ovate, 8-10 mm. long; capsule ovoid, 5 mm. long. 



Dry rocky ridRes. Upper Sonoran Zone; Santa Cruz Island, California. Type locality: "on a dry summit 

 near the central part of the island of Santa Cruz." Usually associated with H. scoparium, and apparent 

 hybrids occur having the open corymbose inflorescence and large flowers of H. Greenei, but the whole plant 

 densely canescent with stellate-hirsute pubescence and lacking the simple glandular hairs on the inflorescence. 

 April-Tuly. 



Family 99. VIOLACEAE. 



Violet Family. 



Herbs or some tropical species shrubs, with alternate or basal simple stipulate 

 leaves. Flowers solitary or clustered, perfect and mostly irregular. Sepals 5, equal 

 or unequal. Petals 5, hypogynous, imbricated in the bud, the lower often larger or 

 spurred. Stamens 5, hypogynous ; filaments short or none ; anthers erect, connivent 

 or syngenesious. Ovary solitary, 1 -celled, with 3 parietal placentae; style simple. 



3248. Helianthemum scoparium 



3249. Helianthemum Aldersonii 



3252 



3250. Helianthemum Greenei 



3251. Viola Douglasii 



3253 



3252. Viola Beckwithii 



3253. Viola Hallii 



