178 



FLORA OF JAMAICA 



Cerastium 



Morris ! Temperate Europe and Asia, also found in many parts of the 

 world in temperate climates and on mountains of the tropics. 



Annual, glandular-pubescent. Stei7is ascending. Leaves oblong-lan- 

 ceolate or obovate-spathulate, 1-2 cm. 1. Pedicels shorter generally than 

 the calyx. Bracts herbaceous. Calyx 4-5 mm. 1. Cajisidc about U mm. 

 1., teeth straight. Seeds tuberculate. 



Fig. 69. Cerastium viscosum L. 



A, Apex of branch x . 



B, Flower X 2. 



C, Ovai-y and four stamens X 4. 



D, Ovary cut lengthwise x 6. 



E, Capsule X 2. 



F, Apex of capsule X 6. 



G, Seed cut lengthwise x 10 ; e, endo- 



sperm ; c, cotyledons ; r, radicle. 



4. STELLARIA L. 



Herbs. Flowers axillary or in terminal cymes. Sepals 5. 

 Petals 5, 2-partite. Stamens 10, inserted on a disk. Ovary 

 1-celled ; styles 3, distinct from base. Capsule 6-valved. 



Species 100, natives of the whole world but only on 

 mountains in the tropics. 



S. media Vill. Daujjliin. Hi. 615 (1789); Macf. Jam. i. 54; 

 Griseh. FI. Br. W. Lid. 55 ; Syme Engl. Bot. ed. 3, ii. 93, t. 229 ; 

 Bolirh. in Fl. Bras. xiv. pt. 2, 276, t. 64, II. Alsine media L. Sp. 

 PL 272 (1753). Type in Herb. Linn. 



(Fig. 70.) 



Chickweed. 



]\Iountains, Macfadyen ; Lancaster, Harris & Britton ! Fl. Jam. 10,544, 

 -Arctic and N. temperate regions, in mountains in tropics. 



